{"id":7948,"date":"2026-09-04T06:14:16","date_gmt":"2026-09-04T06:14:16","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&#038;p=7948"},"modified":"2026-09-07T09:01:01","modified_gmt":"2026-09-07T09:01:01","slug":"rc-130-rotary-cutter-gearbox-replacement-for-omni-rc-130-gearbox","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/pt\/produto\/rc-130-rotary-cutter-gearbox-replacement-for-omni-rc-130-gearbox\/","title":{"rendered":"Caixa de engrenagens de substitui\u00e7\u00e3o para cortador rotativo RC-130 da Omni."},"content":{"rendered":"<p>A caixa de engrenagens RC-130 para cortador rotativo, compat\u00edvel com a caixa de engrenagens Omni RC-130, \u00e9 uma unidade de transmiss\u00e3o de pot\u00eancia robusta, projetada especificamente para aplica\u00e7\u00f5es de corte agr\u00edcola exigentes. Projetada para acionar l\u00e2minas rotativas com precis\u00e3o e confiabilidade, esta caixa de engrenagens agr\u00edcola se destaca no corte de grama, tritura\u00e7\u00e3o de palha e limpeza de mato em uma ampla variedade de condi\u00e7\u00f5es de campo. Sua fun\u00e7\u00e3o principal \u00e9 transformar a alta velocidade de rota\u00e7\u00e3o do eixo da tomada de for\u00e7a (TDF) do trator (540\/1000 RPM) em energia mec\u00e2nica controlada e de alto torque, necess\u00e1ria para um corte est\u00e1vel e eficiente. Seja trabalhando em palha espessa, ervas daninhas densas ou pastagens espessas, esta caixa de engrenagens para cortador rotativo mant\u00e9m a pot\u00eancia de sa\u00edda consistente em condi\u00e7\u00f5es de carga vari\u00e1veis, com suporte para m\u00faltiplas rela\u00e7\u00f5es de velocidade para se adequar a diferentes densidades de culturas e terrenos, desde declives acentuados at\u00e9 \u00e1reas alagadas.<\/p>\n<p>Constru\u00edda com engrenagens c\u00f4nicas de 6 polegadas de di\u00e2metro e passo DP de 3,175 para m\u00e1xima resist\u00eancia a choques nos dentes, a RC-130 tamb\u00e9m apresenta um tubo de extens\u00e3o do eixo de di\u00e2metro largo para toler\u00e2ncia superior a cargas laterais e impactos. Canais de \u00f3leo fundidos internamente alimentam o lubrificante diretamente aos rolamentos de sa\u00edda inferiores, enquanto um buj\u00e3o de drenagem e uma vareta de n\u00edvel de \u00f3leo acess\u00edveis externamente simplificam a manuten\u00e7\u00e3o em campo. A tampa de inspe\u00e7\u00e3o superior proporciona acesso f\u00e1cil aos componentes internos para manuten\u00e7\u00e3o e remontagem r\u00e1pidas. Um design de porca do cubo da l\u00e2mina embutida protege a conex\u00e3o contra danos por impacto, e a veda\u00e7\u00e3o de \u00f3leo de sa\u00edda com labirinto de 4 barreiras, patenteada, evita falhas por ac\u00famulo de detritos, comuns em ambientes exigentes de caixas de engrenagens de ro\u00e7adeiras rotativas e cortadores de grama de acabamento.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7850 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox-480x480.webp 480w\" alt=\"Caixa de engrenagens do cortador rotativo RC-130\" width=\"800\" height=\"800\" \/><\/p>\n<h2>Especifica\u00e7\u00f5es do produto<\/h2>\n<table style=\"height: 300px; width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\">Modelo:<\/td>\n<td style=\"text-align: center;\">Caixa de c\u00e2mbio RC-130<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Classifica\u00e7\u00e3o HP<\/td>\n<td style=\"text-align: center;\">61 \u2013 171 HP<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Torque:<\/td>\n<td style=\"text-align: center;\">7.117 \u2013 19.950 lb.-pol.<br \/>\n(803 \u2013 2.252 Nm.)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Propor\u00e7\u00f5es:<\/td>\n<td style=\"text-align: center;\">1.21:1, 1:1, 1:1.21, 1:1.46, 1:1.92<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Tipo de engrenagem:<\/td>\n<td style=\"text-align: center;\">Bisel<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Tipo de veda\u00e7\u00e3o:<\/td>\n<td style=\"text-align: center;\">Tripla camada de mola<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Tipo de rolamento:<\/td>\n<td style=\"text-align: center;\">Rolo c\u00f4nico<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Capacidade de \u00f3leo:<\/td>\n<td style=\"text-align: center;\">60 on\u00e7as.<br \/>\n(1.8 L)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Peso:<\/td>\n<td style=\"text-align: center;\">109 libras.<br \/>\n(49,9 kg)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Aplica\u00e7\u00f5es:<\/td>\n<td style=\"text-align: center;\">Cortadores de grama de acabamento<br \/>\nCortadores rotativos<br \/>\nCortadores rotativos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dimens\u00f5es da caixa de engrenagens da cortadora rotativa RC-130<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7909 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox-Dimensions.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox-Dimensions.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox-Dimensions-980x490.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox-Dimensions-480x240.webp 480w\" alt=\"Dimens\u00f5es da caixa de engrenagens do cortador rotativo\" width=\"1200\" height=\"600\" \/><\/p>\n<table style=\"width: 100%;\" contenteditable=\"true\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"text-align: center;\" rowspan=\"2\">Modelo<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Peso m\u00e1ximo da unidade<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">CL para atrav\u00e9s da tampa A<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">CL para Flange B<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Piloto C de flange para cubo<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Di\u00e2metro do piloto do cubo H<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Di\u00e2metro do flange D1<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Padr\u00e3o de furos para parafusos E1<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Furos de montagem F1<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Tamanho quadrado da flange D2<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Padr\u00e3o de furos para parafusos E2<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Furos de montagem F2<\/th>\n<\/tr>\n<tr>\n<th style=\"text-align: center;\">Libra<\/th>\n<th style=\"text-align: center;\">kg<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<th style=\"text-align: center;\">em<\/th>\n<th style=\"text-align: center;\">mil\u00edmetros<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">RC-20<\/td>\n<td style=\"text-align: center;\">34<\/td>\n<td style=\"text-align: center;\">15<\/td>\n<td style=\"text-align: center;\">3.0<\/td>\n<td style=\"text-align: center;\">76<\/td>\n<td style=\"text-align: center;\">6.5<\/td>\n<td style=\"text-align: center;\">165<\/td>\n<td style=\"text-align: center;\">2.40<\/td>\n<td style=\"text-align: center;\">61.0<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">6.18<\/td>\n<td style=\"text-align: center;\">157<\/td>\n<td style=\"text-align: center;\">6.8<\/td>\n<td style=\"text-align: center;\">171.5<\/td>\n<td style=\"text-align: center;\">(4) 0.67<\/td>\n<td style=\"text-align: center;\">(4) 17<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-27<\/td>\n<td style=\"text-align: center;\">47<\/td>\n<td style=\"text-align: center;\">21<\/td>\n<td style=\"text-align: center;\">3.5<\/td>\n<td style=\"text-align: center;\">88<\/td>\n<td style=\"text-align: center;\">6.4<\/td>\n<td style=\"text-align: center;\">164<\/td>\n<td style=\"text-align: center;\">2.40<\/td>\n<td style=\"text-align: center;\">61.0<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">6.18<\/td>\n<td style=\"text-align: center;\">157<\/td>\n<td style=\"text-align: center;\">6.8<\/td>\n<td style=\"text-align: center;\">171.5<\/td>\n<td style=\"text-align: center;\">(4) 0.67<\/td>\n<td style=\"text-align: center;\">(4) 17<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-30<\/td>\n<td style=\"text-align: center;\">51<\/td>\n<td style=\"text-align: center;\">23<\/td>\n<td style=\"text-align: center;\">3.9<\/td>\n<td style=\"text-align: center;\">100<\/td>\n<td style=\"text-align: center;\">6.4<\/td>\n<td style=\"text-align: center;\">164<\/td>\n<td style=\"text-align: center;\">3.30<\/td>\n<td style=\"text-align: center;\">84.0<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">63.5<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">6.89<\/td>\n<td style=\"text-align: center;\">175<\/td>\n<td style=\"text-align: center;\">6.8<\/td>\n<td style=\"text-align: center;\">171.5<\/td>\n<td style=\"text-align: center;\">(4) 0.67<\/td>\n<td style=\"text-align: center;\">(4) 17<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-51<\/td>\n<td style=\"text-align: center;\">56<\/td>\n<td style=\"text-align: center;\">25<\/td>\n<td style=\"text-align: center;\">3.7<\/td>\n<td style=\"text-align: center;\">94<\/td>\n<td style=\"text-align: center;\">6.4<\/td>\n<td style=\"text-align: center;\">164<\/td>\n<td style=\"text-align: center;\">3.50<\/td>\n<td style=\"text-align: center;\">88.9<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">63.5<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">6.89<\/td>\n<td style=\"text-align: center;\">175<\/td>\n<td style=\"text-align: center;\">6.8<\/td>\n<td style=\"text-align: center;\">171.5<\/td>\n<td style=\"text-align: center;\">(4) 0.67<\/td>\n<td style=\"text-align: center;\">(4) 17<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-61<\/td>\n<td style=\"text-align: center;\">81<\/td>\n<td style=\"text-align: center;\">37<\/td>\n<td style=\"text-align: center;\">4.2<\/td>\n<td style=\"text-align: center;\">107<\/td>\n<td style=\"text-align: center;\">7.2<\/td>\n<td style=\"text-align: center;\">183<\/td>\n<td style=\"text-align: center;\">3.50<\/td>\n<td style=\"text-align: center;\">88.9<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">63.5<\/td>\n<td style=\"text-align: center;\">9.5<\/td>\n<td style=\"text-align: center;\">242.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(4) 0.787<\/td>\n<td style=\"text-align: center;\">(4) 20<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-71<\/td>\n<td style=\"text-align: center;\">83<\/td>\n<td style=\"text-align: center;\">38<\/td>\n<td style=\"text-align: center;\">4.2<\/td>\n<td style=\"text-align: center;\">107<\/td>\n<td style=\"text-align: center;\">7.2<\/td>\n<td style=\"text-align: center;\">183<\/td>\n<td style=\"text-align: center;\">3.50<\/td>\n<td style=\"text-align: center;\">88.9<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">63.5<\/td>\n<td style=\"text-align: center;\">9.5<\/td>\n<td style=\"text-align: center;\">242.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(4) 0.787<\/td>\n<td style=\"text-align: center;\">(4) 20<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-81<\/td>\n<td style=\"text-align: center;\">98<\/td>\n<td style=\"text-align: center;\">45<\/td>\n<td style=\"text-align: center;\">4.6<\/td>\n<td style=\"text-align: center;\">116<\/td>\n<td style=\"text-align: center;\">11.0<\/td>\n<td style=\"text-align: center;\">279<\/td>\n<td style=\"text-align: center;\">3.50<\/td>\n<td style=\"text-align: center;\">88.9<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">63.5<\/td>\n<td style=\"text-align: center;\">9.6<\/td>\n<td style=\"text-align: center;\">245.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(4) 0.787<\/td>\n<td style=\"text-align: center;\">(4) 20<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-100<\/td>\n<td style=\"text-align: center;\">96<\/td>\n<td style=\"text-align: center;\">44<\/td>\n<td style=\"text-align: center;\">4.8<\/td>\n<td style=\"text-align: center;\">121<\/td>\n<td style=\"text-align: center;\">7.1<\/td>\n<td style=\"text-align: center;\">180<\/td>\n<td style=\"text-align: center;\">3.78<\/td>\n<td style=\"text-align: center;\">96.0<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">63.5<\/td>\n<td style=\"text-align: center;\">9.4<\/td>\n<td style=\"text-align: center;\">240.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(4) 0.787<\/td>\n<td style=\"text-align: center;\">(4) 20<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-130S<\/td>\n<td style=\"text-align: center;\">109<\/td>\n<td style=\"text-align: center;\">49<\/td>\n<td style=\"text-align: center;\">5.1<\/td>\n<td style=\"text-align: center;\">130<\/td>\n<td style=\"text-align: center;\">7.1<\/td>\n<td style=\"text-align: center;\">180<\/td>\n<td style=\"text-align: center;\">4.00<\/td>\n<td style=\"text-align: center;\">102.0<\/td>\n<td style=\"text-align: center;\">2.9<\/td>\n<td style=\"text-align: center;\">73.0<\/td>\n<td style=\"text-align: center;\">9.8<\/td>\n<td style=\"text-align: center;\">250.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(6) 0.807<\/td>\n<td style=\"text-align: center;\">(6) 21<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-130L<\/td>\n<td style=\"text-align: center;\">120<\/td>\n<td style=\"text-align: center;\">54<\/td>\n<td style=\"text-align: center;\">5.1<\/td>\n<td style=\"text-align: center;\">130<\/td>\n<td style=\"text-align: center;\">7.1<\/td>\n<td style=\"text-align: center;\">180<\/td>\n<td style=\"text-align: center;\">7.20<\/td>\n<td style=\"text-align: center;\">184.0<\/td>\n<td style=\"text-align: center;\">3.8<\/td>\n<td style=\"text-align: center;\">96.0<\/td>\n<td style=\"text-align: center;\">9.8<\/td>\n<td style=\"text-align: center;\">250.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(6) 0.807<\/td>\n<td style=\"text-align: center;\">(6) 21<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-145<\/td>\n<td style=\"text-align: center;\">110<\/td>\n<td style=\"text-align: center;\">50<\/td>\n<td style=\"text-align: center;\">5.6<\/td>\n<td style=\"text-align: center;\">142<\/td>\n<td style=\"text-align: center;\">8.9<\/td>\n<td style=\"text-align: center;\">225<\/td>\n<td style=\"text-align: center;\">8.05<\/td>\n<td style=\"text-align: center;\">204.5<\/td>\n<td style=\"text-align: center;\">3.8<\/td>\n<td style=\"text-align: center;\">96.0<\/td>\n<td style=\"text-align: center;\">10.2<\/td>\n<td style=\"text-align: center;\">260.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(6) 0.807<\/td>\n<td style=\"text-align: center;\">(6) 21<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-150L<\/td>\n<td style=\"text-align: center;\">145<\/td>\n<td style=\"text-align: center;\">66<\/td>\n<td style=\"text-align: center;\">5.1<\/td>\n<td style=\"text-align: center;\">130<\/td>\n<td style=\"text-align: center;\">11.0<\/td>\n<td style=\"text-align: center;\">280<\/td>\n<td style=\"text-align: center;\">7.20<\/td>\n<td style=\"text-align: center;\">184.0<\/td>\n<td style=\"text-align: center;\">3.8<\/td>\n<td style=\"text-align: center;\">96.0<\/td>\n<td style=\"text-align: center;\">9.8<\/td>\n<td style=\"text-align: center;\">250.0<\/td>\n<td style=\"text-align: center;\">8.0<\/td>\n<td style=\"text-align: center;\">203.2<\/td>\n<td style=\"text-align: center;\">(6) 0.807<\/td>\n<td style=\"text-align: center;\">(6) 21<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">RC-200<\/td>\n<td style=\"text-align: center;\">220<\/td>\n<td style=\"text-align: center;\">100<\/td>\n<td style=\"text-align: center;\">6.4<\/td>\n<td style=\"text-align: center;\">162<\/td>\n<td style=\"text-align: center;\">9.5<\/td>\n<td style=\"text-align: center;\">241<\/td>\n<td style=\"text-align: center;\">8.00<\/td>\n<td style=\"text-align: center;\">203.0<\/td>\n<td style=\"text-align: center;\">5.3<\/td>\n<td style=\"text-align: center;\">135.0<\/td>\n<td style=\"text-align: center;\">11.8<\/td>\n<td style=\"text-align: center;\">300.0<\/td>\n<td style=\"text-align: center;\">10<\/td>\n<td style=\"text-align: center;\">254.0<\/td>\n<td style=\"text-align: center;\">(6) 0.905<\/td>\n<td style=\"text-align: center;\">(6) 23<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<td style=\"text-align: center;\">–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Principal benef\u00edcio da caixa de engrenagens da cortadora rotativa RC-130<\/h2>\n<p>1. Compatibilidade da tomada de for\u00e7a do trator<br \/>\nA caixa de engrenagens RC-130 conecta-se diretamente ao eixo de sa\u00edda de pot\u00eancia do trator, suportando velocidades padr\u00e3o de 540 RPM e 1000 RPM com sistemas de acoplamento de troca r\u00e1pida para instala\u00e7\u00e3o e remo\u00e7\u00e3o \u00e1geis. Isso a torna uma caixa de engrenagens de substitui\u00e7\u00e3o plug-and-play para configura\u00e7\u00f5es de ro\u00e7adeiras rotativas, sem necessidade de modifica\u00e7\u00f5es com adaptadores. O eixo de entrada estriado \u00e9 compat\u00edvel com as configura\u00e7\u00f5es de tomada de for\u00e7a (TDF) padr\u00e3o da ind\u00fastria, utilizadas nas principais marcas de tratores, reduzindo o tempo de inatividade durante a troca de implementos e permitindo uma r\u00e1pida implanta\u00e7\u00e3o sazonal.<\/p>\n<p>2. All-Terrain Adaptability<br \/>\nO design da caixa de engrenagens flutuante permite que a plataforma de corte acompanhe dinamicamente os contornos do terreno, ajustando automaticamente a altura da l\u00e2mina conforme o terreno sobe e desce. Isso protege as l\u00e2minas de corte contra colis\u00f5es com rochas incrustadas, sistemas radiculares ou cristas de solo compactado, sem a necessidade de interven\u00e7\u00e3o do operador. Seja trabalhando em pastagens inclinadas, terrenos irregulares ou margens de \u00e1reas \u00famidas, a plataforma da caixa de engrenagens da ro\u00e7adeira rotativa RC-130 mant\u00e9m o contato consistente da l\u00e2mina e a efici\u00eancia de corte em todos os perfis de superf\u00edcie encontrados em condi\u00e7\u00f5es reais de campo.<\/p>\n<p>3. Facilidade de manuten\u00e7\u00e3o em campo<br \/>\nOs orif\u00edcios externos de enchimento e drenagem de \u00f3leo, combinados com uma vareta de medi\u00e7\u00e3o convenientemente posicionada, permitem que os operadores verifiquem o n\u00edvel de \u00f3leo da caixa de engrenagens da ro\u00e7adeira rotativa e realizem trocas de \u00f3leo sem desmontagem. A tampa de inspe\u00e7\u00e3o superior permite acesso direto \u00e0s engrenagens e rolamentos internos para inspe\u00e7\u00e3o visual e manuten\u00e7\u00e3o em campo. Monitorar os n\u00edveis corretos de \u00f3leo da caixa de engrenagens da ro\u00e7adeira rotativa em cada intervalo de manuten\u00e7\u00e3o \u00e9 fundamental, e o RC-130 torna essa verifica\u00e7\u00e3o de rotina simples e r\u00e1pida, mesmo sem ferramentas de oficina ou equipamentos de i\u00e7amento.<\/p>\n<p>4. Durability and Environmental Protection<br \/>\nConstru\u00edda em ferro fundido d\u00factil de alta resist\u00eancia com tratamento de superf\u00edcie anticorrosivo, a carca\u00e7a do RC-130 suporta exposi\u00e7\u00e3o cont\u00ednua a lama, \u00e1gua, cascalho, seiva de plantas e detritos do campo. O sistema de veda\u00e7\u00e3o tripla com mola e o design de sa\u00edda em labirinto de 4 barreiras oferecem m\u00faltiplas camadas de prote\u00e7\u00e3o contra a entrada de detritos e vazamento de \u00f3leo, prolongando significativamente a vida \u00fatil dos rolamentos internos e das engrenagens c\u00f4nicas sob condi\u00e7\u00f5es de alta carga cont\u00ednua, t\u00edpicas de caixas de engrenagens de ro\u00e7adeiras rotativas pesadas e aplica\u00e7\u00f5es de trituradores de mato.<\/p>\n<p>5. Prote\u00e7\u00e3o de seguran\u00e7a integrada<br \/>\nUm mecanismo integrado de embreagem de sobrecarga ou parafuso de cisalhamento desengata automaticamente a transmiss\u00e3o de pot\u00eancia quando as l\u00e2minas de corte encontram uma obstru\u00e7\u00e3o im\u00f3vel, como um toco enterrado ou uma pedra grande, evitando falhas catastr\u00f3ficas nas engrenagens internas e protegendo a transmiss\u00e3o contra danos por sobrecarga de impacto. A porca oculta do cubo da l\u00e2mina reduz ainda mais o risco de quebra por impacto no ponto de conex\u00e3o de sa\u00edda, mantendo a RC-130 operacional mesmo em situa\u00e7\u00f5es com obst\u00e1culos embutidos no solo, comuns em aplica\u00e7\u00f5es de limpeza de vegeta\u00e7\u00e3o densa.<\/p>\n<p>6. Rela\u00e7\u00f5es de velocidade m\u00faltiplas<br \/>\nCom cinco rela\u00e7\u00f5es de transmiss\u00e3o dispon\u00edveis para a ro\u00e7adeira rotativa (1,21:1, 1:1, 1:1,21, 1:1,46 e 1:1,92), os operadores podem ajustar com precis\u00e3o a velocidade da l\u00e2mina de sa\u00edda \u00e0s necessidades espec\u00edficas de cada trabalho. Trabalhos de acabamento leve exigem um perfil de velocidade diferente do corte de vegeta\u00e7\u00e3o densa ou da tritura\u00e7\u00e3o de palha compactada. Essa ampla sele\u00e7\u00e3o de rela\u00e7\u00f5es de transmiss\u00e3o torna a RC-130 uma das unidades mais vers\u00e1teis da sua classe, adapt\u00e1vel a condi\u00e7\u00f5es que v\u00e3o desde o acabamento fino de gramados at\u00e9 a recupera\u00e7\u00e3o agressiva de pastagens, sendo a escolha preferida entre os principais fabricantes de ro\u00e7adeiras rotativas que atendem a diversos mercados agr\u00edcolas em todo o mundo.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7850 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox-480x480.webp 480w\" alt=\"Caixa de engrenagens do cortador rotativo RC-130\" width=\"800\" height=\"800\" \/><\/p>\n<h2>Princ\u00edpio de funcionamento<\/h2>\n<p>A caixa de engrenagens RC-130 para cortadores rotativos serve como o cora\u00e7\u00e3o mec\u00e2nico de qualquer sistema de cortador rotativo, ro\u00e7adeira rotativa ou ro\u00e7adeira de acabamento. A pot\u00eancia origina-se no eixo da tomada de for\u00e7a (TDF) do trator, que gira a 540 RPM ou 1000 RPM, dependendo do modelo do trator e da velocidade da TDF selecionada. Essa energia rotacional entra na caixa de engrenagens atrav\u00e9s do eixo de entrada em a\u00e7o-liga endurecido, estriado para se encaixar na conex\u00e3o padr\u00e3o da linha de transmiss\u00e3o da TDF utilizada pelos principais fabricantes de tratores do mundo.<\/p>\n<p>Dentro da carca\u00e7a de ferro fundido, um conjunto de engrenagens c\u00f4nicas de precis\u00e3o redireciona a rota\u00e7\u00e3o do eixo de entrada em 90 graus, ajustando simultaneamente a velocidade e o torque de sa\u00edda de acordo com a rela\u00e7\u00e3o de transmiss\u00e3o selecionada. Esse redirecionamento de pot\u00eancia em \u00e2ngulo reto \u00e9 a caracter\u00edstica mec\u00e2nica que define uma caixa de engrenagens para cortador rotativo, permitindo que a l\u00e2mina de corte gire em um eixo vertical abaixo da plataforma de corte, enquanto o eixo da tomada de for\u00e7a (TDF) se move horizontalmente a partir do trator. As engrenagens c\u00f4nicas do RC-130 s\u00e3o usinadas com precis\u00e3o a partir de blocos de a\u00e7o forjado, com toler\u00e2ncias rigorosas, garantindo folga m\u00ednima, baixo ru\u00eddo e estabilidade dimensional a longo prazo sob cargas repetidas de alto impacto causadas pelos golpes da l\u00e2mina.<\/p>\n<p>Com cinco rela\u00e7\u00f5es de transmiss\u00e3o selecion\u00e1veis, de 1,21:1 a 1,92, os operadores podem configurar a RC-130 para fornecer a velocidade de l\u00e2mina ideal para sua aplica\u00e7\u00e3o espec\u00edfica. Uma rela\u00e7\u00e3o mais baixa, como 1,21:1, produz uma velocidade de sa\u00edda mais alta, adequada para trabalhos de acabamento leves, onde a velocidade da l\u00e2mina \u00e9 mais importante do que o torque bruto. Uma rela\u00e7\u00e3o mais alta, de 1,92, maximiza a velocidade da ponta da l\u00e2mina, aumentando a for\u00e7a de corte para vegeta\u00e7\u00e3o densa, palha grossa ou pastagens pesadas. Essa ampla gama de rela\u00e7\u00f5es \u00e9 uma vantagem crucial em rela\u00e7\u00e3o \u00e0s unidades de rela\u00e7\u00e3o \u00fanica, principalmente para opera\u00e7\u00f5es que alternam entre ro\u00e7ada fina e ro\u00e7ada pesada na mesma fazenda ou esta\u00e7\u00e3o do ano.<\/p>\n<p>A lubrifica\u00e7\u00e3o \u00e9 feita por meio de um sistema de banho de \u00f3leo, onde as engrenagens e os rolamentos internos ficam parcialmente submersos em \u00f3leo dentro da carca\u00e7a selada. Canais de \u00f3leo moldados diretamente na parede da carca\u00e7a fornecem lubrificante continuamente aos rolamentos do eixo de sa\u00edda inferior, que sofrem as maiores cargas radiais e axiais durante a opera\u00e7\u00e3o. Manter o n\u00edvel correto de \u00f3leo da caixa de engrenagens da cortadora rotativa, utilizando a vareta de medi\u00e7\u00e3o externa, e realizar as trocas de \u00f3leo programadas s\u00e3o as duas etapas de manuten\u00e7\u00e3o mais importantes para maximizar a vida \u00fatil da caixa de engrenagens em campo.<\/p>\n<p>A pot\u00eancia de sa\u00edda \u00e9 transmitida atrav\u00e9s do eixo de sa\u00edda vertical, que se conecta diretamente ao eixo da l\u00e2mina ou ao conjunto de corte abaixo da plataforma de corte. Este eixo transmite todo o torque do sistema \u2013 at\u00e9 2.252 Nm (19.950 lb-in) na pot\u00eancia nominal m\u00e1xima \u2013 enquanto absorve as for\u00e7as de impacto lateral das l\u00e2minas ao atingirem pedras, tocos e irregularidades do solo. O eixo de sa\u00edda do RC-130 \u00e9 suportado por rolamentos de rolos c\u00f4nicos de precis\u00e3o, dimensionados para as cargas radiais e axiais combinadas geradas durante as condi\u00e7\u00f5es de corte mais exigentes, incluindo aquelas encontradas em aplica\u00e7\u00f5es com caixas de engrenagens de cortadores rotativos de 100 hp.<\/p>\n<p>O sistema de veda\u00e7\u00e3o de sa\u00edda com tripla camada de mola e o design labir\u00edntico de 4 barreiras trabalham em conjunto para impedir o vazamento de \u00f3leo da carca\u00e7a e bloquear a entrada de grama, arame e detritos no rolamento de sa\u00edda. Este sistema de veda\u00e7\u00e3o de dupla fun\u00e7\u00e3o resolve o problema mais comum em caixas de engrenagens agr\u00edcolas em opera\u00e7\u00e3o no campo, tornando a RC-130 uma escolha altamente confi\u00e1vel para operadores que buscam minimizar a frequ\u00eancia de reparos na caixa de engrenagens da ro\u00e7adeira e reduzir o custo total de propriedade ao longo da vida \u00fatil do implemento.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7896 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-1.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-1.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-1-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-1-480x328.webp 480w\" alt=\"Aplica\u00e7\u00f5es da caixa de engrenagens do cortador rotativo\" width=\"1200\" height=\"820\" \/><\/p>\n<h2>\u00c1reas de aplica\u00e7\u00e3o<\/h2>\n<div>\n<h3>Corte de grama e tritura\u00e7\u00e3o de palha<\/h3>\n<p>A RC-130 aciona l\u00e2minas robustas e articuladas para cortar pastagens, palha e culturas de cobertura, como talos de milho, com pot\u00eancia constante. As rela\u00e7\u00f5es de transmiss\u00e3o ajust\u00e1veis \u200b\u200bpermitem que os operadores controlem a granulometria do material triturado, selecionando uma tritura\u00e7\u00e3o mais grossa para cobertura morta e incorpora\u00e7\u00e3o no campo ou uma tritura\u00e7\u00e3o mais fina para o pr\u00e9-processamento da silagem. Essa versatilidade a torna a escolha padr\u00e3o para grandes fazendas de gr\u00e3os que gerenciam res\u00edduos p\u00f3s-colheita em extensas \u00e1reas, a cada safra.<\/p>\n<\/div>\n<div>\n<h3>Limpeza de arbustos e silvas<\/h3>\n<p>Para a limpeza de vegeta\u00e7\u00e3o lenhosa em limites de pomares, bordas de bosques e pastagens recuperadas, a RC-130 oferece alto torque constante para cortar talos lenhosos e arbustos de forma limpa e precisa. A robusta carca\u00e7a de ferro fundido absorve os impactos gerados quando as l\u00e2minas atingem a vegeta\u00e7\u00e3o densa, sem transmitir for\u00e7as de choque prejudiciais de volta para a transmiss\u00e3o. Amplamente utilizada por empresas de limpeza de terrenos e reconhecida pelos principais fornecedores de caixas de engrenagens para ro\u00e7adeiras rotativas como uma unidade de refer\u00eancia para essa aplica\u00e7\u00e3o exigente.<\/p>\n<h3>Gest\u00e3o Florestal e da Vegeta\u00e7\u00e3o<\/h3>\n<p>Para aplica\u00e7\u00f5es florestais leves, incluindo a limpeza de rebentos, vegeta\u00e7\u00e3o rasteira densa e manuten\u00e7\u00e3o de aceiros, a combina\u00e7\u00e3o de alto torque, carca\u00e7a robusta e sele\u00e7\u00e3o de engrenagens com m\u00faltiplas rela\u00e7\u00f5es do RC-130 o posiciona como uma solu\u00e7\u00e3o eficiente. Operadores que trabalham na limpeza para preven\u00e7\u00e3o de inc\u00eandios, prepara\u00e7\u00e3o para reflorestamento ou gest\u00e3o de habitats da vida selvagem frequentemente dependem desta classe de caixa de engrenagens para ro\u00e7adeiras rotativas para lidar com as densidades vari\u00e1veis \u200b\u200bde materiais encontradas na gest\u00e3o da vegeta\u00e7\u00e3o natural em diferentes condi\u00e7\u00f5es sazonais.<\/p>\n<\/div>\n<div>\n<h3>Prepara\u00e7\u00e3o do solo agr\u00edcola e tratamento da palha.<\/h3>\n<p>Antes do plantio ou da ara\u00e7\u00e3o, os restos da colheita de arroz, trigo e culturas similares devem ser removidos rapidamente. Combinado com as configura\u00e7\u00f5es apropriadas de l\u00e2minas de disco ou basculantes, o RC-130 processa grandes \u00e1reas de restolho com efici\u00eancia, reduzindo o tempo entre a colheita e o pr\u00f3ximo ciclo de plantio, al\u00e9m de melhorar as condi\u00e7\u00f5es do leito de semeadura, incorporando mat\u00e9ria org\u00e2nica na camada superficial para uma melhor estrutura do solo e disponibilidade de nutrientes.<\/p>\n<\/div>\n<div>\n<h3>Gest\u00e3o de \u00e1reas de pomares e vinhedos<\/h3>\n<p>Os modelos de caixas de engrenagens de perfil baixo para segadoras de acabamento, derivados da plataforma RC-130, s\u00e3o projetados para o controle de ervas daninhas entre linhas em pomares, vinhedos e opera\u00e7\u00f5es de cultivo de culturas especiais com espa\u00e7amento estreito. O perfil compacto da carca\u00e7a permite a passagem pr\u00f3xima a troncos de \u00e1rvores e postes de videiras sem risco de contato, enquanto o robusto conjunto de engrenagens c\u00f4nicas proporciona desempenho de corte confi\u00e1vel ao longo dos ciclos de manejo sazonal que definem os sistemas de produ\u00e7\u00e3o de culturas perenes durante todo o ano de crescimento.<\/p>\n<\/div>\n<div>\n<h3>Ro\u00e7ada de vegeta\u00e7\u00e3o nas margens das estradas e faixas de dom\u00ednio municipais<\/h3>\n<p>Empresas de manuten\u00e7\u00e3o municipal e concession\u00e1rias de servi\u00e7os p\u00fablicos confiam na plataforma RC-130 para corte de acostamentos, manuten\u00e7\u00e3o de canteiros centrais de rodovias e controle de vegeta\u00e7\u00e3o em faixas de dom\u00ednio. O sistema de veda\u00e7\u00e3o refor\u00e7ado e o mecanismo de prote\u00e7\u00e3o contra sobrecarga a tornam ideal para ambientes com detritos imprevis\u00edveis, t\u00edpicos de acostamentos, onde as l\u00e2minas podem encontrar cacos de vidro, fragmentos de metal e outros materiais n\u00e3o org\u00e2nicos que danificariam rapidamente uma caixa de engrenagens menos robusta em regimes de opera\u00e7\u00e3o cont\u00ednua.<\/p>\n<\/div>\n<div>\n<h3>Recupera\u00e7\u00e3o e renova\u00e7\u00e3o de pastagens<\/h3>\n<p>Pastagens abandonadas ou com vegeta\u00e7\u00e3o densa exigem uma caixa de engrenagens capaz de lidar com vegeta\u00e7\u00e3o excepcionalmente alta e densa antes do replantio. A RC-130, combinada com uma plataforma de corte rotativa refor\u00e7ada, oferece a pot\u00eancia constante e a resist\u00eancia mec\u00e2nica necess\u00e1rias para processar v\u00e1rias temporadas de crescimento descontrolado em uma \u00fanica passada. Produtores de gado que realizam programas de renova\u00e7\u00e3o de pastagens em grandes \u00e1reas escolhem consistentemente esta unidade por sua comprovada confiabilidade em campo sob condi\u00e7\u00f5es operacionais de alta carga prolongadas ao longo do ano.<\/p>\n<\/div>\n<div>\n<h3>Acabamento de gramados e campos esportivos<\/h3>\n<p>Em configura\u00e7\u00f5es de rela\u00e7\u00e3o mais baixas, a plataforma RC-130 suporta aplica\u00e7\u00f5es de acabamento de alta velocidade e corte preciso em grandes \u00e1reas de gramado, incluindo campos esportivos, \u00e1reas de rough de campos de golfe e terrenos comerciais. A transmiss\u00e3o suave de pot\u00eancia do conjunto de engrenagens c\u00f4nicas e os rolamentos de rolos c\u00f4nicos de precis\u00e3o minimizam a vibra\u00e7\u00e3o nas pontas das l\u00e2minas, produzindo uma qualidade de corte consistente em longos per\u00edodos de acabamento. Essa dupla capacidade, entre limpeza pesada e acabamento preciso, confere \u00e0 RC-130 uma versatilidade excepcional em todo o espectro de aplica\u00e7\u00f5es de implementos de corte.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7863 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-2.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-2.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-2-980x735.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-2-480x360.webp 480w\" alt=\"Caixa de engrenagens do cortador rotativo\" width=\"1200\" height=\"900\" \/><\/p>\n<h2>Como substituir a caixa de engrenagens da sua cortadora rotativa<\/h2>\n<p>Passo 1: Desligue a energia e prenda o implemento.<br \/>\nAntes de iniciar qualquer trabalho de remo\u00e7\u00e3o da caixa de engrenagens, desengate a tomada de for\u00e7a (TDF) do trator, desligue completamente o motor e retire a chave de igni\u00e7\u00e3o. Abaixe a plataforma de corte at\u00e9 o ch\u00e3o e acione todas as travas de transporte ou suportes de seguran\u00e7a dispon\u00edveis para evitar movimentos involunt\u00e1rios. Desconecte o eixo de transmiss\u00e3o da TDF do implemento e coloque-o em um local seguro para eliminar o risco de rota\u00e7\u00e3o acidental do eixo durante o procedimento de substitui\u00e7\u00e3o, que \u00e9 a causa mais comum de acidentes em oficinas durante a manuten\u00e7\u00e3o da caixa de engrenagens de ro\u00e7adeiras e cortadores de grama.<\/p>\n<p>Passo 2: Drene o \u00f3leo da caixa de velocidades<br \/>\nPosicione uma bandeja de drenagem sob a caixa de engrenagens e remova o buj\u00e3o de drenagem para drenar todo o \u00f3leo antes de tentar remover a unidade. O \u00f3leo de engrenagem antigo geralmente cont\u00e9m part\u00edculas de metal e contamina\u00e7\u00e3o por \u00e1gua, o que indica a condi\u00e7\u00e3o da caixa de engrenagens e o modo de falha. Inspecione o \u00f3leo drenado em busca de detritos met\u00e1licos, descolora\u00e7\u00e3o ou emulsifica\u00e7\u00e3o leitosa \u2013 essas constata\u00e7\u00f5es fornecem informa\u00e7\u00f5es valiosas para o diagn\u00f3stico, confirmando se a falha da caixa de engrenagens ocorreu devido \u00e0 interrup\u00e7\u00e3o da lubrifica\u00e7\u00e3o, falha na veda\u00e7\u00e3o ou sobrecarga mec\u00e2nica, e orientam a sele\u00e7\u00e3o de pe\u00e7as para a unidade de substitui\u00e7\u00e3o.<\/p>\n<p>Etapa 3: Remova o conjunto da l\u00e2mina<br \/>\nUtilizando ferramentas de impacto apropriadas e uma barra de freio para evitar a rota\u00e7\u00e3o da l\u00e2mina, remova a porca do cubo da l\u00e2mina e abaixe cuidadosamente o conjunto da l\u00e2mina do eixo de sa\u00edda. Observe que a RC-130 possui um design de porca de cubo oculta e embutida que protege a porca contra danos por impacto direto. Inspecione as estrias do cubo da l\u00e2mina, a barra de suporte da l\u00e2mina e os parafusos da l\u00e2mina quanto a desgaste ou danos por impacto nesta etapa, pois esses componentes tamb\u00e9m podem precisar ser substitu\u00eddos quando a caixa de engrenagens for renovada como parte de um programa abrangente de servi\u00e7o de reparo de caixas de engrenagens de cortadores rotativos.<\/p>\n<p>Passo 4: Desparafuse e remova a caixa de c\u00e2mbio defeituosa.<br \/>\nA caixa de engrenagens RC-130 \u00e9 fixada \u00e0 plataforma de corte por seis parafusos de montagem, dispostos em um padr\u00e3o de 250 mm com furos de 21 mm (0,807 polegadas). Remova os seis parafusos de montagem uniformemente para evitar travamentos e, em seguida, abaixe cuidadosamente a caixa de engrenagens da plataforma, sustentando seu peso. O modelo RC-130S pesa 49,9 kg (109 lb) e o RC-130L pesa 54 kg (120 lb), portanto, utilize um dispositivo de eleva\u00e7\u00e3o mec\u00e2nico apropriado ou trabalhe com um ajudante para evitar les\u00f5es durante a remo\u00e7\u00e3o.<\/p>\n<p>Etapa 5: Prepare a superf\u00edcie de montagem e instale a pe\u00e7a de substitui\u00e7\u00e3o.<br \/>\nLimpe cuidadosamente o flange de montagem da caixa de engrenagens na plataforma de corte, removendo toda a ferrugem, res\u00edduos da junta antiga e detritos. Inspecione os furos dos parafusos de montagem quanto a danos na rosca e repare-os, se necess\u00e1rio. Posicione a unidade de substitui\u00e7\u00e3o RC-130, alinhe o eixo de sa\u00edda com a abertura do cubo da l\u00e2mina e rosqueie manualmente os seis parafusos de montagem antes de apert\u00e1-los uniformemente de acordo com as especifica\u00e7\u00f5es, em padr\u00e3o cruzado. Aplique trava-rosca nas roscas dos parafusos de montagem, conforme especificado no manual de servi\u00e7o do implemento, para evitar o afrouxamento causado pela vibra\u00e7\u00e3o durante o uso subsequente no campo.<\/p>\n<p>Etapa 6: Abaste\u00e7a com \u00f3leo e realize a inspe\u00e7\u00e3o pr\u00e9-partida.<br \/>\nAbaste\u00e7a a nova caixa de engrenagens RC-130 com o \u00f3leo de engrenagem especificado pelo fabricante at\u00e9 o n\u00edvel correto indicado na vareta de medi\u00e7\u00e3o (capacidade de 1,8 L). Reinstale o conjunto da l\u00e2mina e a porca do cubo com o torque especificado, reconecte o eixo de transmiss\u00e3o da tomada de for\u00e7a (TDF) e realize uma inspe\u00e7\u00e3o visual final antes de ligar o trator. Acione a TDF em baixa velocidade por dois a tr\u00eas minutos antes de retornar \u00e0 rota\u00e7\u00e3o m\u00e1xima de opera\u00e7\u00e3o, permitindo que o \u00f3leo circule completamente e verificando se n\u00e3o h\u00e1 vazamentos no buj\u00e3o de drenagem, no bocal de enchimento ou nos retentores do eixo antes de retornar \u00e0 opera\u00e7\u00e3o normal no campo.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7937 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-30-Rotary-Cutter-Gearbox-2.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-30-Rotary-Cutter-Gearbox-2.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-30-Rotary-Cutter-Gearbox-2-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-30-Rotary-Cutter-Gearbox-2-480x480.webp 480w\" alt=\"Caixa de engrenagens do cortador rotativo RC-30\" width=\"1000\" height=\"1000\" \/><\/p>\n<h2>Dicas de manuten\u00e7\u00e3o<\/h2>\n<p><strong>Verifica\u00e7\u00f5es regulares do n\u00edvel de \u00f3leo<\/strong><br \/>\nVerifique o n\u00edvel de \u00f3leo da caixa de engrenagens da ro\u00e7adeira rotativa utilizando a vareta de medi\u00e7\u00e3o externa antes de cada opera\u00e7\u00e3o ou, no m\u00ednimo, a cada 8 a 10 horas de funcionamento. O baixo n\u00edvel de \u00f3leo \u00e9 a principal causa evit\u00e1vel de superaquecimento da caixa de engrenagens e falha dos rolamentos em campo. Para uma leitura precisa, verifique sempre com o implemento em terreno plano e a caixa de engrenagens na temperatura de opera\u00e7\u00e3o. Complete o n\u00edvel de \u00f3leo utilizando apenas o \u00f3leo com a viscosidade especificada pelo fabricante para evitar a mistura de lubrificantes incompat\u00edveis, que podem reduzir a resist\u00eancia da pel\u00edcula lubrificante e danificar os componentes internos.<\/p>\n<p><strong>Trocas de \u00f3leo programadas<\/strong><br \/>\nAp\u00f3s as primeiras 50 horas de opera\u00e7\u00e3o de uma caixa de engrenagens nova ou recondicionada, realize uma drenagem e reabastecimento completos do \u00f3leo da engrenagem para eliminar as part\u00edculas de desgaste iniciais. Ap\u00f3s essa troca inicial, drene e reabaste\u00e7a a cada 200-250 horas de opera\u00e7\u00e3o ou anualmente antes do armazenamento sazonal, o que ocorrer primeiro. Drene o \u00f3leo da caixa de engrenagens da cortadora rotativa enquanto ela estiver na temperatura de opera\u00e7\u00e3o para maximizar a efici\u00eancia da remo\u00e7\u00e3o de contaminantes. Inspecione o \u00f3leo drenado em busca de part\u00edculas met\u00e1licas, emulsifica\u00e7\u00e3o de \u00e1gua ou descolora\u00e7\u00e3o, pois esses sinais indicam desgaste de componentes internos ou falha de veda\u00e7\u00e3o, exigindo investiga\u00e7\u00e3o imediata.<\/p>\n<p><strong>Inspe\u00e7\u00e3o e Substitui\u00e7\u00e3o de Veda\u00e7\u00f5es<\/strong><br \/>\nInspecione os retentores de \u00f3leo dos eixos de entrada e sa\u00edda a cada troca de \u00f3leo, procurando sinais de rachaduras, endurecimento ou deforma\u00e7\u00e3o dos l\u00e1bios. Verifique a \u00e1rea ao redor de cada sa\u00edda do eixo quanto a vazamentos de \u00f3leo ou ac\u00famulo de sujeira misturada ao \u00f3leo, o que indica vazamento nos retentores. Substitua os retentores imediatamente ao primeiro sinal de deteriora\u00e7\u00e3o para evitar perda de \u00f3leo da engrenagem e os consequentes danos aos rolamentos e engrenagens. O design labir\u00edntico do retentor de sa\u00edda do RC-130 oferece prote\u00e7\u00e3o adicional por envolvimento, mas os pr\u00f3prios l\u00e1bios do retentor ainda exigem inspe\u00e7\u00e3o peri\u00f3dica e substitui\u00e7\u00e3o planejada como parte de um programa de manuten\u00e7\u00e3o proativa.<\/p>\n<p><strong>Monitoramento de Envolt\u00f3rio de Detritos<\/strong><br \/>\nInspecione a \u00e1rea do eixo de sa\u00edda ap\u00f3s cada sess\u00e3o de opera\u00e7\u00e3o para verificar o ac\u00famulo de grama, arame, corda de enfardamento ou fibras vegetais. Mesmo pequenos ac\u00famulos enrolados firmemente ao redor do eixo de sa\u00edda podem gerar press\u00e3o suficiente para romper o retentor de \u00f3leo de sa\u00edda em poucas horas de opera\u00e7\u00e3o. O design labir\u00edntico de 4 barreiras do RC-130 oferece prote\u00e7\u00e3o superior contra falhas por enrolamento, mas essa prote\u00e7\u00e3o \u00e9 reduzida se o enrolamento se acumular a ponto de entrar em contato com a carca\u00e7a do labirinto. Remova todo o enrolamento em cada inspe\u00e7\u00e3o para manter o benef\u00edcio de prote\u00e7\u00e3o total deste design patenteado.<\/p>\n<p><strong>Verifica\u00e7\u00e3o do torque dos parafusos de montagem<\/strong><br \/>\nVibra\u00e7\u00f5es e impactos durante a opera\u00e7\u00e3o em campo podem afrouxar os parafusos de fixa\u00e7\u00e3o da caixa de engrenagens com o tempo, causando desalinhamento entre o eixo de sa\u00edda da caixa de engrenagens e o conjunto da l\u00e2mina. Isso acelera o desgaste dos rolamentos e a fadiga da carca\u00e7a. Verifique o torque correto dos seis parafusos de fixa\u00e7\u00e3o ap\u00f3s as primeiras 10 horas de opera\u00e7\u00e3o em uma nova instala\u00e7\u00e3o e em todas as inspe\u00e7\u00f5es pr\u00e9-operacionais sazonais subsequentes. Aplique trava-rosca nas roscas dos parafusos caso observe afrouxamento repetido e substitua imediatamente qualquer parafuso que apresente desgaste na rosca, corros\u00e3o ou danos por impacto para manter a integridade e a seguran\u00e7a da montagem.<\/p>\n<p><strong>Inspe\u00e7\u00e3o interna atrav\u00e9s da tampa superior<\/strong><br \/>\nA tampa de inspe\u00e7\u00e3o superior da RC-130 permite acesso direto ao conjunto de engrenagens internas e aos rolamentos superiores para avalia\u00e7\u00e3o visual das condi\u00e7\u00f5es, sem a necessidade de remover a caixa de engrenagens do implemento. A cada revis\u00e3o anual, remova a tampa de inspe\u00e7\u00e3o e examine as superf\u00edcies dos dentes da engrenagem c\u00f4nica em busca de corros\u00e3o, lascas ou padr\u00f5es de desgaste anormais. Verifique se h\u00e1 detritos met\u00e1licos ou objetos estranhos dentro da carca\u00e7a que possam ter entrado por uma veda\u00e7\u00e3o defeituosa. Essa capacidade de inspe\u00e7\u00e3o interna \u00e9 uma vantagem significativa de manuten\u00e7\u00e3o, exclusiva do projeto da RC-130, em compara\u00e7\u00e3o com as unidades totalmente vedadas da concorr\u00eancia dispon\u00edveis no mercado.<\/p>\n<p><strong>Servi\u00e7o de embreagem de sobrecarga<\/strong><br \/>\nQuando o implemento estiver equipado com uma embreagem de sobrecarga ou um mecanismo de parafuso de cisalhamento a montante da caixa de engrenagens, inspecione e fa\u00e7a a manuten\u00e7\u00e3o deste componente de acordo com o seu pr\u00f3prio plano de manuten\u00e7\u00e3o. Uma embreagem de sobrecarga travada ou ajustada incorretamente n\u00e3o protege a caixa de engrenagens durante o travamento da l\u00e2mina, transmitindo toda a energia do impacto diretamente para os dentes da engrenagem e os rolamentos. Substitua os parafusos de cisalhamento apenas pelos parafusos com a mesma especifica\u00e7\u00e3o e dimens\u00f5es do fabricante \u2013 o uso de parafusos substitutos de maior resist\u00eancia anula a fun\u00e7\u00e3o de prote\u00e7\u00e3o contra sobrecarga e resultar\u00e1 em desgaste acelerado da caixa de engrenagens ou falha interna catastr\u00f3fica, exigindo uma substitui\u00e7\u00e3o dispendiosa.<\/p>\n<p><strong>Prepara\u00e7\u00e3o para armazenamento fora de temporada<\/strong><br \/>\nAntes de guardar o implemento para a temporada de armazenamento, troque o \u00f3leo da engrenagem para remover a umidade e as part\u00edculas de desgaste acumuladas durante a temporada de opera\u00e7\u00e3o. O \u00f3leo novo cont\u00e9m inibidores que protegem as superf\u00edcies internas da corros\u00e3o durante longos per\u00edodos de armazenamento. Limpe bem a parte externa da carca\u00e7a da caixa de engrenagens e aplique uma fina camada de composto anticorrosivo nas superf\u00edcies usinadas expostas. Gire o eixo de sa\u00edda manualmente v\u00e1rias vezes para distribuir o \u00f3leo novo por todas as engrenagens e superf\u00edcies dos rolamentos antes de cobrir o implemento para o per\u00edodo de armazenamento fora de temporada.<\/p>\n<div style=\"width: 1080px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-7948-1\" width=\"1080\" height=\"608\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox.mp4?_=1\" \/><a href=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox.mp4\">https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox.mp4<\/a><\/video><\/div>\n<h2>Caixa de engrenagens da ro\u00e7adeira rotativa e eixo da tomada de for\u00e7a agr\u00edcola<\/h2>\n<p>A caixa de engrenagens da ro\u00e7adeira rotativa e o eixo da tomada de for\u00e7a (TDF) s\u00e3o os dois componentes insepar\u00e1veis \u200b\u200bde qualquer sistema de corte acionado por trator. Juntos, formam uma cadeia completa de transmiss\u00e3o de pot\u00eancia mec\u00e2nica que come\u00e7a no motor, dentro do trator, e termina nas l\u00e2minas girat\u00f3rias sob a plataforma de corte. O eixo da tomada de for\u00e7a (TDF) do trator \u00e9 um eixo curto, acess\u00edvel externamente, que se projeta da parte traseira do trator e \u00e9 acionado diretamente pelo motor atrav\u00e9s de um mecanismo de embreagem interno dedicado. Quando o operador engata a TDF, esse eixo gira a 540 RPM ou 1000 RPM, dependendo do modo de TDF selecionado. O modo de 540 RPM \u00e9 a sele\u00e7\u00e3o padr\u00e3o para a maioria dos implementos de ro\u00e7adeira rotativa, enquanto 1000 RPM \u00e9 usado para aplica\u00e7\u00f5es de alta velocidade em tratores equipados para essa especifica\u00e7\u00e3o. O pr\u00f3prio eixo da TDF n\u00e3o aciona as l\u00e2minas de corte diretamente. Ele \u00e9 uma fonte de energia que precisa ser transmitida, redirecionada e transformada antes de poder realizar o trabalho de corte.<\/p>\n<p>O eixo de transmiss\u00e3o da tomada de for\u00e7a (TDF) \u2013 um conjunto de eixo telesc\u00f3pico equipado com juntas universais em cada extremidade \u2013 preenche a dist\u00e2ncia entre o eixo curto da TDF do trator e o eixo de entrada da caixa de engrenagens da ro\u00e7adeira. As juntas universais permitem que essa conex\u00e3o acomode as varia\u00e7\u00f5es angulares e de comprimento que ocorrem quando o trator e o implemento se movem em rela\u00e7\u00e3o um ao outro durante as curvas e a opera\u00e7\u00e3o em terrenos irregulares. O eixo de transmiss\u00e3o transfere a rota\u00e7\u00e3o do eixo curto da TDF para a entrada da caixa de engrenagens sem exigir alinhamento perfeito, compensando as varia\u00e7\u00f5es angulares horizontais e verticais dentro do \u00e2ngulo operacional nominal das juntas universais utilizadas.<\/p>\n<p>Na caixa de engrenagens, a pot\u00eancia rotacional entra pelo eixo de entrada e passa pelo conjunto de engrenagens c\u00f4nicas, que a redireciona 90 graus para baixo, em dire\u00e7\u00e3o ao eixo de sa\u00edda vertical. Esse redirecionamento em \u00e2ngulo reto \u00e9 a fun\u00e7\u00e3o que define a classe de caixas de engrenagens para cortadores de grama rotativos. Sem essa mudan\u00e7a de dire\u00e7\u00e3o, n\u00e3o haveria maneira pr\u00e1tica de conectar um eixo de tomada de for\u00e7a (TDF) com rota\u00e7\u00e3o horizontal a uma l\u00e2mina de corte com orienta\u00e7\u00e3o vertical. As engrenagens c\u00f4nicas tamb\u00e9m modificam a velocidade e o torque, com a configura\u00e7\u00e3o selecionada.\u00a0<a href=\"https:\/\/korea-transmission.com\/pt\/rotary-cutter-gearbox\/\"><strong>caixa de engrenagens da cortadora rotativa<\/strong><\/a>\u00a0A rela\u00e7\u00e3o determina se a l\u00e2mina de sa\u00edda gira mais r\u00e1pido, mais devagar ou na mesma velocidade que a entrada da tomada de for\u00e7a (TDF). O RC-130 oferece cinco op\u00e7\u00f5es de rela\u00e7\u00e3o, de 1,21:1 a 1:1,92, para atender a toda essa gama de requisitos operacionais e condi\u00e7\u00f5es de cultivo.<\/p>\n<p>A pot\u00eancia flui diretamente do eixo de sa\u00edda da caixa de engrenagens para a barra de suporte das l\u00e2minas e para as pesadas l\u00e2minas oscilantes montadas nela. Quando uma l\u00e2mina atinge um objeto s\u00f3lido, como uma pedra, um toco enterrado ou um fio de cerca de arame, a carga de impacto resultante se propaga para tr\u00e1s atrav\u00e9s dessa mesma corrente de transmiss\u00e3o de pot\u00eancia. A carca\u00e7a da caixa de engrenagens, as engrenagens c\u00f4nicas, os rolamentos e as veda\u00e7\u00f5es devem absorver e distribuir essa energia de impacto sem falhar. \u00c9 por isso que a constru\u00e7\u00e3o robusta da carca\u00e7a, as engrenagens c\u00f4nicas de grande di\u00e2metro e os rolamentos de rolos c\u00f4nicos de alta capacidade n\u00e3o s\u00e3o recursos opcionais em caixas de engrenagens de cortadores rotativos de qualidade, mas sim requisitos fundamentais de engenharia para um desempenho confi\u00e1vel em campo em toda a faixa de pot\u00eancia nominal de 61 a 171 HP.<\/p>\n<p>Selecionar o eixo de transmiss\u00e3o da tomada de for\u00e7a (TDF) correto para a caixa de engrenagens RC-130 \u00e9 t\u00e3o importante quanto a pr\u00f3pria sele\u00e7\u00e3o da caixa de engrenagens. O eixo de transmiss\u00e3o deve ser dimensionado para o torque m\u00e1ximo que a caixa de engrenagens ir\u00e1 transmitir, ter as dimens\u00f5es corretas para a faixa de comprimento operacional entre a TDF do trator e a entrada do implemento, e nunca deve operar com um \u00e2ngulo de junta que exceda o m\u00e1ximo especificado pelo fabricante da junta universal, pois \u00e2ngulos excessivos causam desgaste r\u00e1pido da junta e vibra\u00e7\u00e3o, o que reduz significativamente a vida \u00fatil tanto do eixo de transmiss\u00e3o quanto da caixa de engrenagens.<\/p>\n<p>Para operadores que necessitam de pe\u00e7as para a caixa de engrenagens da ro\u00e7adeira rotativa ou um conjunto completo de eixo de transmiss\u00e3o para complementar uma nova instala\u00e7\u00e3o RC-130, a CMN Transmission pode fornecer recomenda\u00e7\u00f5es de componentes compat\u00edveis com base no modelo espec\u00edfico do trator, na estrutura do implemento e na pot\u00eancia operacional nominal da aplica\u00e7\u00e3o. A especifica\u00e7\u00e3o correta do sistema desde o in\u00edcio \u00e9 a maneira mais confi\u00e1vel de obter a m\u00e1xima vida \u00fatil tanto da caixa de engrenagens quanto dos componentes da transmiss\u00e3o da tomada de for\u00e7a (TDF) que trabalham com ela nas opera\u00e7\u00f5es di\u00e1rias no campo.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5986 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Rotary-Cutter.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Rotary-Cutter.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Rotary-Cutter-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Rotary-Cutter-480x480.webp 480w\" alt=\"Eixo da tomada de for\u00e7a para cortador rotativo\" width=\"1000\" height=\"1000\" \/><\/p>\n<h2>Caixa de engrenagens para cortador rotativo vs. Caixa de engrenagens para cultivador rotativo<\/h2>\n<p>UM\u00a0<strong>caixa de engrenagens da cortadora rotativa<\/strong>\u00a0Transfere a energia rotacional do eixo da tomada de for\u00e7a (TDF) do trator para o eixo de sa\u00edda vertical que sustenta as l\u00e2minas de corte de uma ro\u00e7adeira ou triturador de mato. Utiliza uma configura\u00e7\u00e3o de engrenagem c\u00f4nica em \u00e2ngulo reto para redirecionar a pot\u00eancia em 90 graus, ajustando a velocidade e multiplicando o torque para cortar vegeta\u00e7\u00e3o densa, pastagens pesadas, arbustos e materiais lenhosos leves. A carca\u00e7a \u00e9 constru\u00edda para absorver impactos violentos de detritos e objetos duros encontrados durante opera\u00e7\u00f5es de corte pesado no campo.<\/p>\n<p>UM\u00a0<strong>caixa de engrenagens da enxada rotativa<\/strong>\u00a0A transmiss\u00e3o de pot\u00eancia da tomada de for\u00e7a (TDF) \u00e9 transferida para o eixo horizontal das l\u00e2minas de um rotocultivador. Normalmente, utiliza uma caixa de engrenagens central em \u00e2ngulo reto combinada com um sistema de acionamento lateral secund\u00e1rio para reduzir a velocidade e aplicar o torque de penetra\u00e7\u00e3o no solo necess\u00e1rio para o trabalho de ara\u00e7\u00e3o profunda. Ao contr\u00e1rio do ambiente de corte e impacto de uma ro\u00e7adeira, a caixa de engrenagens do rotocultivador suporta cargas cont\u00ednuas de alta for\u00e7a de empuxo provenientes das l\u00e2minas que penetram em solo compactado, argila ou camadas endurecidas.<\/p>\n<div>\n<h3>Caixa de engrenagens da cortadora rotativa: vantagens<\/h3>\n<ul>\n<li>Oferece o alto torque necess\u00e1rio para cortar arbustos densos, mudas e pastagens espessas de forma eficiente em todas as condi\u00e7\u00f5es de campo.<\/li>\n<li>A robusta carca\u00e7a de ferro fundido d\u00factil suporta impactos violentos das l\u00e2minas contra pedras e detritos sem sofrer falhas estruturais durante a opera\u00e7\u00e3o normal.<\/li>\n<li>O design simples da engrenagem c\u00f4nica garante alta confiabilidade e manuten\u00e7\u00e3o mais f\u00e1cil em compara\u00e7\u00e3o com a configura\u00e7\u00e3o mais complexa da caixa de engrenagens da enxada rotativa.<\/li>\n<li>A ampla sele\u00e7\u00e3o de rela\u00e7\u00f5es de transmiss\u00e3o permite que a mesma unidade seja utilizada tanto para trabalhos de acabamento leve quanto para trabalhos de corte pesado, sem a necessidade de troca de implementos entre as tarefas.<\/li>\n<\/ul>\n<h3>Desvantagens<\/h3>\n<ul>\n<li>A constru\u00e7\u00e3o robusta em ferro fundido adiciona um peso significativo ao implemento em compara\u00e7\u00e3o com as caixas de engrenagens mais leves de cortadores de grama de acabamento, projetadas para aplica\u00e7\u00f5es em gramados.<\/li>\n<li>Suscet\u00edvel a falhas internas na engrenagem caso a embreagem de sobrecarga trave ou o mecanismo do parafuso de cisalhamento seja ignorado durante um travamento da l\u00e2mina em material denso.<\/li>\n<li>A veda\u00e7\u00e3o de sa\u00edda \u00e9 vulner\u00e1vel a danos por enrolamento causados \u200b\u200bpelo ac\u00famulo de fios e cordas ao redor do eixo de sa\u00edda em ambientes de campo com grande quantidade de detritos.<\/li>\n<\/ul>\n<\/div>\n<div>\n<h3>Caixa de engrenagens da enxada rotativa: vantagens<\/h3>\n<ul>\n<li>Proporciona uma sa\u00edda est\u00e1vel, de baixa velocidade e alto torque, necess\u00e1ria para penetra\u00e7\u00e3o profunda no solo e quebra eficaz de torr\u00f5es em solos compactados.<\/li>\n<li>As variantes de cultivadores com m\u00faltiplas velocidades permitem a sele\u00e7\u00e3o da rela\u00e7\u00e3o de transmiss\u00e3o para se adequar \u00e0s condi\u00e7\u00f5es do solo, desde a prepara\u00e7\u00e3o fina do leito de semeadura at\u00e9 as exig\u00eancias de cultivo prim\u00e1rio mais robusto.<\/li>\n<li>Veda\u00e7\u00f5es especiais de alta resist\u00eancia bloqueiam part\u00edculas finas e abrasivas do solo, prolongando a vida \u00fatil dos componentes internos em ambientes empoeirados e lamacentos.<\/li>\n<\/ul>\n<h3>Desvantagens<\/h3>\n<ul>\n<li>Internamente mais complexas do que as caixas de engrenagens de cortadores rotativos, as repara\u00e7\u00f5es e reconstru\u00e7\u00f5es em campo tornam-se significativamente mais demoradas e dispendiosas.<\/li>\n<li>Uma \u00fanica falha na veda\u00e7\u00e3o permite que part\u00edculas finas de solo entrem imediatamente na carca\u00e7a e destruam as engrenagens e as superf\u00edcies dos rolamentos, levando a uma falha catastr\u00f3fica r\u00e1pida.<\/li>\n<li>As caixas de corrente com acionamento lateral exigem tensionamento preciso e verifica\u00e7\u00f5es frequentes de lubrifica\u00e7\u00e3o para evitar a quebra da corrente sob cargas de tra\u00e7\u00e3o pesadas em solos duros.<\/li>\n<\/ul>\n<table style=\"height: 400px; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"text-align: center;\">Atributo<\/th>\n<th style=\"text-align: center;\">Caixa de engrenagens do cortador rotativo<\/th>\n<th style=\"text-align: center;\">Caixa de engrenagens da enxada rotativa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">Fun\u00e7\u00e3o principal<\/td>\n<td style=\"text-align: center;\">Cortar e limpar a vegeta\u00e7\u00e3o<\/td>\n<td style=\"text-align: center;\">Prepare e revolva o solo<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Redirecionamento de energia<\/td>\n<td style=\"text-align: center;\">90 graus (horizontal para vertical)<\/td>\n<td style=\"text-align: center;\">acionamento por corrente lateral de 90 graus<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Tipo de engrenagem<\/td>\n<td style=\"text-align: center;\">Bisel (reto ou espiral)<\/td>\n<td style=\"text-align: center;\">Bisel mais helicoidal ou corrente<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Tipo de carga<\/td>\n<td style=\"text-align: center;\">Cargas de choque de alto impacto<\/td>\n<td style=\"text-align: center;\">cargas radiais\/axiais elevadas cont\u00ednuas<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Material de constru\u00e7\u00e3o<\/td>\n<td style=\"text-align: center;\">Ferro fundido d\u00factil pesado<\/td>\n<td style=\"text-align: center;\">Ferro fundido com caixa de corrente selada<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Prioridade do Selo<\/td>\n<td style=\"text-align: center;\">Selo de sa\u00edda (risco de envolvimento por detritos)<\/td>\n<td style=\"text-align: center;\">Todas as veda\u00e7\u00f5es (abras\u00e3o fina do solo)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Complexidade de manuten\u00e7\u00e3o<\/td>\n<td style=\"text-align: center;\">Moderado (sistema de banho de \u00f3leo)<\/td>\n<td style=\"text-align: center;\">Alta (tens\u00e3o da corrente mais m\u00faltiplos \u00f3leos)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Facilidade de reparo em campo<\/td>\n<td style=\"text-align: center;\">Alto (acesso pela tampa de inspe\u00e7\u00e3o superior)<\/td>\n<td style=\"text-align: center;\">Baixo (layout interno complexo)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Dire\u00e7\u00e3o de sa\u00edda<\/td>\n<td style=\"text-align: center;\">Vertical (eixo da l\u00e2mina abaixo do conv\u00e9s)<\/td>\n<td style=\"text-align: center;\">Horizontal (rotor de dentes abaixo da estrutura)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Aplica\u00e7\u00e3o principal<\/td>\n<td style=\"text-align: center;\">Ro\u00e7adeiras, cortadores rotativos, ro\u00e7adeiras<\/td>\n<td style=\"text-align: center;\">Rotavadores, cultivadores de solo, enxadas rotativas<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7884 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Features-1.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1600px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Features-1.webp 1600w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Features-1-1280x768.webp 1280w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Features-1-980x588.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Features-1-480x288.webp 480w\" alt=\"Caracter\u00edsticas da caixa de engrenagens do cortador rotativo\" width=\"1600\" height=\"960\" \/><\/p>\n<h2>Por que escolher as caixas de engrenagens para cortadores rotativos da CMN Transmission?<\/h2>\n<p>A Korea CMN Transmission Co., Ltd. foi fundada em 2000 e est\u00e1 localizada em Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, Coreia do Sul. Com mais de 100 funcion\u00e1rios na f\u00e1brica, a CMN Transmission dedica-se \u00e0 pesquisa e desenvolvimento, fabrica\u00e7\u00e3o, vendas e servi\u00e7os de caixas de engrenagens agr\u00edcolas. Ao longo de mais de duas d\u00e9cadas de atua\u00e7\u00e3o global, a CMN Transmission tornou-se uma fornecedora reconhecida e confi\u00e1vel no setor de transmiss\u00f5es agr\u00edcolas, exportando para mais de 60 destinos em todo o mundo, incluindo Estados Unidos, Canad\u00e1, M\u00e9xico, Brasil, Argentina, Fran\u00e7a, Alemanha, It\u00e1lia, Espanha, Reino Unido, R\u00fassia, \u00cdndia, Tail\u00e2ndia, Vietn\u00e3, Turquia, Austr\u00e1lia e Nova Zel\u00e2ndia.<\/p>\n<p>Nossa linha de produtos abrange caixas de engrenagens para cortadores rotativos, caixas de engrenagens para cultivadores rotativos, caixas de engrenagens para misturadores de ra\u00e7\u00e3o, caixas de engrenagens para segadoras rotativas, caixas de engrenagens para distribuidores de fertilizantes, caixas de engrenagens para ro\u00e7adeiras de martelo, caixas de engrenagens para perfuradores de solo, caixas de engrenagens para enfardadeiras redondas, caixas de engrenagens para enfardadeiras quadradas, caixas de engrenagens para segadoras de disco, caixas de engrenagens para sistemas de irriga\u00e7\u00e3o por piv\u00f4 central, caixas de engrenagens para acionamento hidr\u00e1ulico, caixas de engrenagens para m\u00e1quinas de ensilagem, caixas de engrenagens para pulverizadores de pomares, caixas de engrenagens para ancinhos rotativos, caixas de engrenagens para colheitadeiras e muito mais \u2013 abrangendo quase mil especifica\u00e7\u00f5es para fabricantes de equipamentos originais (OEMs) de m\u00e1quinas agr\u00edcolas e distribuidores de pe\u00e7as de reposi\u00e7\u00e3o em todo o mundo.<\/p>\n<p>Com uma capacidade de produ\u00e7\u00e3o anual superior a 500.000 unidades e certifica\u00e7\u00f5es que incluem CE, ISO 9001, Gest\u00e3o Ambiental e normas de Sa\u00fade e Seguran\u00e7a Ocupacional, a CMN Transmission oferece consistentemente a qualidade de produto e o suporte t\u00e9cnico de que as opera\u00e7\u00f5es agr\u00edcolas globais dependem. Ao adquirir uma caixa de engrenagens para ro\u00e7adeira rotativa atrav\u00e9s da CMN Transmission, voc\u00ea recebe uma unidade com certifica\u00e7\u00e3o de qualidade, respaldada por um fabricante com d\u00e9cadas de experi\u00eancia comprovada no setor e uma rede global de fornecimento e suporte consolidada. Entre em contato com a CMN Transmission para confirmar a compatibilidade, selecionar a rela\u00e7\u00e3o de transmiss\u00e3o correta e receber uma cota\u00e7\u00e3o competitiva. Envio r\u00e1pido para todos os principais mercados agr\u00edcolas do mundo, com suporte t\u00e9cnico completo antes da venda.<\/p>\n<ul>\n<li><strong>Fabrica\u00e7\u00e3o com certifica\u00e7\u00e3o ISO 9001<\/strong><br \/>\nCada caixa de engrenagens RC-130 \u00e9 fabricada de acordo com as normas de gest\u00e3o de qualidade ISO 9001, garantindo precis\u00e3o dimensional consistente, conformidade com as especifica\u00e7\u00f5es de materiais e qualidade de montagem em todos os lotes de produ\u00e7\u00e3o enviados para clientes em todo o mundo.<\/li>\n<li><strong>Exportar para mais de 60 pa\u00edses<\/strong><br \/>\nCom d\u00e9cadas de experi\u00eancia em exporta\u00e7\u00e3o internacional, a CMN compreende os requisitos alfandeg\u00e1rios, de documenta\u00e7\u00e3o e log\u00edstica dos principais mercados globais, garantindo entregas confi\u00e1veis \u200b\u200be dentro do prazo para clientes OEM e distribuidores em todas as principais regi\u00f5es agr\u00edcolas.<\/li>\n<li><strong>Produ\u00e7\u00e3o anual superior a 500.000 unidades.<\/strong><br \/>\nNossa escala de produ\u00e7\u00e3o garante disponibilidade de estoque e pre\u00e7os competitivos para modelos padr\u00e3o, incluindo o RC-130, enquanto nossa experiente equipe de engenharia oferece suporte a projetos com especifica\u00e7\u00f5es personalizadas que exigem rela\u00e7\u00f5es de transmiss\u00e3o, configura\u00e7\u00f5es de eixo ou arranjos de montagem n\u00e3o padronizados.<\/li>\n<li><strong>Suporte t\u00e9cnico de pr\u00e9-vendas<\/strong><br \/>\nNossa equipe de vendas t\u00e9cnicas oferece confirma\u00e7\u00e3o de compatibilidade, orienta\u00e7\u00e3o na sele\u00e7\u00e3o da propor\u00e7\u00e3o e verifica\u00e7\u00e3o dimensional antes de voc\u00ea fazer um pedido, eliminando o risco de adquirir a unidade errada para sua implementa\u00e7\u00e3o ou requisitos de aplica\u00e7\u00e3o espec\u00edficos.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7915 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Rotary-Cutter-Gearbox-Manufacturers.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Rotary-Cutter-Gearbox-Manufacturers.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Rotary-Cutter-Gearbox-Manufacturers-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Rotary-Cutter-Gearbox-Manufacturers-480x328.webp 480w\" alt=\"Fabricantes de caixas de engrenagens para cortadores rotativos\" width=\"1200\" height=\"820\" \/><\/p>\n<h2>Perguntas frequentes<\/h2>\n<p><strong>P: O RC-130 \u00e9 um substituto direto para a caixa de engrenagens original do Omni RC-130?<\/strong><br \/>\nR: Sim. O CMN RC-130 foi projetado como um substituto direto para a caixa de engrenagens da s\u00e9rie Omni Gear RC-130. O padr\u00e3o de fura\u00e7\u00e3o dos parafusos de montagem (6 furos em um c\u00edrculo de 250 mm, furos de 0,807 polegadas), o di\u00e2metro do flange (9,8 polegadas \/ 250 mm) e as dimens\u00f5es gerais da carca\u00e7a correspondem \u00e0s especifica\u00e7\u00f5es do Omni RC-130. Antes de fazer o pedido, confirme se o seu implemento requer a configura\u00e7\u00e3o RC-130S (sa\u00edda mais curta, 4,00 polegadas \/ 102 mm) ou RC-130L (sa\u00edda mais longa, 7,20 polegadas \/ 184 mm), pois essas duas variantes atendem \u00e0s aplica\u00e7\u00f5es mais comuns do Omni RC-130 no campo.<\/p>\n<p><strong>P: Qual o tipo e a quantidade de \u00f3leo necess\u00e1rios para a caixa de engrenagens da cortadora rotativa RC-130?<\/strong><br \/>\nA: A caixa de engrenagens RC-130 requer 1,8 litros (60 oz) de \u00f3leo para engrenagens. O lubrificante recomendado \u00e9 um \u00f3leo mineral para engrenagens com classifica\u00e7\u00e3o API GL-5, 80W-90 ou 85W-140, para condi\u00e7\u00f5es normais de opera\u00e7\u00e3o agr\u00edcola. Em climas extremamente frios, um \u00f3leo sint\u00e9tico para engrenagens 75W-90 pode ser usado para melhorar a fluidez na partida a frio. Sempre verifique o n\u00edvel de \u00f3leo da caixa de engrenagens da ro\u00e7adeira rotativa usando a vareta de medi\u00e7\u00e3o externa com o implemento em terreno plano antes de cada opera\u00e7\u00e3o. N\u00e3o encha demais, pois o excesso de \u00f3leo aumenta a press\u00e3o interna e pode for\u00e7ar o lubrificante a passar pelas veda\u00e7\u00f5es do eixo.<\/p>\n<p><strong>P: Qual \u00e9 a rela\u00e7\u00e3o de transmiss\u00e3o correta da caixa de engrenagens da fresa rotativa para minha aplica\u00e7\u00e3o?<\/strong><br \/>\nR: O RC-130 est\u00e1 dispon\u00edvel em cinco rela\u00e7\u00f5es de transmiss\u00e3o: 1,21:1, 1:1, 1:1,21, 1:1,46 e 1:1,92. A rela\u00e7\u00e3o de transmiss\u00e3o correta para a ro\u00e7adeira rotativa depende da rota\u00e7\u00e3o da tomada de for\u00e7a (TDF), da velocidade desejada da ponta da l\u00e2mina e da densidade do material. Para aplica\u00e7\u00f5es de ro\u00e7agem de acabamento leve a m\u00e9dio com rota\u00e7\u00e3o da TDF de 540 rpm, as rela\u00e7\u00f5es 1:1 ou 1:1,21 s\u00e3o as mais comuns. Para vegeta\u00e7\u00e3o densa, palha compactada ou trabalhos de ro\u00e7agem mais exigentes, onde \u00e9 necess\u00e1rio torque m\u00e1ximo da l\u00e2mina, as rela\u00e7\u00f5es 1:1,46 ou 1:1,92 proporcionam maior velocidade de corte. Entre em contato com nossa equipe t\u00e9cnica, informando a rota\u00e7\u00e3o da TDF do seu trator e as especifica\u00e7\u00f5es do implemento, para obter uma recomenda\u00e7\u00e3o precisa da rela\u00e7\u00e3o de transmiss\u00e3o ideal para sua aplica\u00e7\u00e3o.<\/p>\n<p><strong>P: Como sei se a caixa de engrenagens da minha cortadora rotativa precisa ser reconstru\u00edda ou substitu\u00edda completamente?<\/strong><br \/>\nA: Os sinais que indicam a necessidade de reconstru\u00e7\u00e3o ou substitui\u00e7\u00e3o da caixa de engrenagens da cortadora rotativa incluem: vazamento persistente de \u00f3leo nas veda\u00e7\u00f5es do eixo ap\u00f3s a substitui\u00e7\u00e3o das mesmas, ru\u00eddo ou vibra\u00e7\u00e3o excessivos durante a opera\u00e7\u00e3o, dificuldade em manter a velocidade da l\u00e2mina sob carga, rachaduras vis\u00edveis na carca\u00e7a e detritos met\u00e1licos na inspe\u00e7\u00e3o do dreno de \u00f3leo. Se os dentes da engrenagem c\u00f4nica apresentarem corros\u00e3o, lascamento ou fratura, a substitui\u00e7\u00e3o completa \u00e9 mais econ\u00f4mica do que a reconstru\u00e7\u00e3o. Problemas menores, como a substitui\u00e7\u00e3o de veda\u00e7\u00f5es ou a troca de rolamentos, podem ser resolvidos com pe\u00e7as de qualidade para caixas de engrenagens de cortadoras rotativas, dispon\u00edveis no programa de fornecimento de pe\u00e7as da CMN Transmission.<\/p>\n<p><strong>P: Qual a pot\u00eancia (HP) do trator compat\u00edvel com a caixa de c\u00e2mbio RC-130?<\/strong><br \/>\nA: A RC-130 tem pot\u00eancia nominal de 61 a 171 HP, sendo adequada para uma ampla gama de tratores, desde tratores utilit\u00e1rios de m\u00e9dio porte at\u00e9 grandes tratores para culturas em linha. Isso abrange aplica\u00e7\u00f5es com caixas de engrenagens para ro\u00e7adeiras de 60 hp, 75 hp e 100 hp. O torque m\u00e1ximo de 2.252 Nm (19.950 lb-in) define o limite superior para opera\u00e7\u00e3o cont\u00ednua segura. Sempre verifique a pot\u00eancia nominal da tomada de for\u00e7a (TDF) e a rota\u00e7\u00e3o de opera\u00e7\u00e3o do seu trator em rela\u00e7\u00e3o \u00e0s especifica\u00e7\u00f5es da caixa de engrenagens antes da sele\u00e7\u00e3o para garantir a compatibilidade correta a longo prazo.<\/p>\n<p><strong>P: Por que a caixa de engrenagens da minha cortadora rotativa est\u00e1 vazando \u00f3leo e como posso consert\u00e1-la?<\/strong><br \/>\nA: As causas mais comuns de vazamento de \u00f3leo na caixa de engrenagens da cortadora rotativa s\u00e3o: retentores do eixo desgastados ou danificados, grama ou arame enrolados no eixo de sa\u00edda cortando o l\u00e1bio do retentor, n\u00edvel de \u00f3leo incorreto causando sobrepress\u00e3o ou um buj\u00e3o de al\u00edvio de press\u00e3o obstru\u00eddo for\u00e7ando o \u00f3leo a passar pelos retentores. Primeiro, remova todos os detritos ao redor do eixo de sa\u00edda e verifique se o buj\u00e3o de al\u00edvio de press\u00e3o est\u00e1 desobstru\u00eddo. Em seguida, drene o \u00f3leo at\u00e9 o n\u00edvel correto e inspecione cada sa\u00edda do eixo em busca de danos nos retentores. Se os retentores estiverem visivelmente rachados, endurecidos ou cortados, substitua-os por pe\u00e7as com as especifica\u00e7\u00f5es corretas da CMN Transmission.<\/p>\n<p><strong>P: Com que frequ\u00eancia devo trocar o \u00f3leo da caixa de engrenagens da minha cortadora rotativa?<\/strong><br \/>\nA: Troque o \u00f3leo da caixa de engrenagens da cortadora rotativa ap\u00f3s as primeiras 50 horas de opera\u00e7\u00e3o em uma caixa de engrenagens nova ou recondicionada para remover as part\u00edculas de desgaste iniciais. Ap\u00f3s a troca inicial, realize trocas de \u00f3leo a cada 200-250 horas de opera\u00e7\u00e3o ou anualmente antes do armazenamento sazonal, o que ocorrer primeiro. Drene o \u00f3leo enquanto a caixa de engrenagens estiver na temperatura de opera\u00e7\u00e3o para maximizar a remo\u00e7\u00e3o de contaminantes. Sempre complete o n\u00edvel at\u00e9 o n\u00edvel correto usando a vareta de medi\u00e7\u00e3o. Trocas regulares de \u00f3leo s\u00e3o a a\u00e7\u00e3o de manuten\u00e7\u00e3o mais eficaz para maximizar a vida \u00fatil da caixa de engrenagens e evitar custos prematuros de reparo.<\/p>\n<p><strong>P: A caixa de engrenagens RC-130 pode ser usada como uma ro\u00e7adeira de acabamento ou apenas para corte de vegeta\u00e7\u00e3o densa?<\/strong><br \/>\nR: Sim. A RC-130 \u00e9 certificada para uso tanto em cortadores de grama de acabamento quanto em ro\u00e7adeiras rotativas e trituradores rotativos de alta resist\u00eancia. Com rela\u00e7\u00f5es de transmiss\u00e3o mais baixas e a sele\u00e7\u00e3o adequada de l\u00e2minas, a RC-130 proporciona um corte limpo e consistente, ideal para o acabamento de gramados em grandes \u00e1reas, como campos esportivos, \u00e1reas de rough de campos de golfe e manuten\u00e7\u00e3o de terrenos comerciais. A mesma caixa de engrenagens, equipada com uma l\u00e2mina mais pesada e uma rela\u00e7\u00e3o de transmiss\u00e3o mais alta, transita diretamente para tarefas agressivas de limpeza de arbustos e palha, tornando-a uma das unidades mais vers\u00e1teis dispon\u00edveis entre os fornecedores de caixas de engrenagens para ro\u00e7adeiras rotativas em todo o mundo.<\/p>\n<p><strong>P: Voc\u00eas fornecem pe\u00e7as individuais da caixa de engrenagens da cortadora rotativa RC-130 para reparo?<\/strong><br \/>\nA: A CMN Transmission mant\u00e9m em estoque pe\u00e7as para caixas de engrenagens de cortadores rotativos, incluindo retentores de sa\u00edda, retentores de entrada, rolamentos de rolos c\u00f4nicos, buj\u00f5es de al\u00edvio de press\u00e3o, buj\u00f5es de drenagem, varetas de n\u00edvel e juntas da tampa de inspe\u00e7\u00e3o para a s\u00e9rie RC-130. Conjuntos de engrenagens c\u00f4nicas e conjuntos de eixos de entrada\/sa\u00edda est\u00e3o dispon\u00edveis sob encomenda para grandes reformas. Entre em contato com nossa equipe de vendas t\u00e9cnicas, informando a variante espec\u00edfica do seu RC-130 (S ou L) e a descri\u00e7\u00e3o da pe\u00e7a ou o sintoma da falha para identifica\u00e7\u00e3o correta e pre\u00e7os competitivos, com os prazos de entrega estimados para o seu destino.<\/p>\n<p><strong>P: Qual a diferen\u00e7a entre as variantes RC-130S e RC-130L?<\/strong><br \/>\nA: Os modelos RC-130S e RC-130L diferem no comprimento da extens\u00e3o do eixo de sa\u00edda. O RC-130S possui uma dist\u00e2ncia entre o flange e o cubo piloto de 102 mm (4,00 polegadas) e um di\u00e2metro do cubo piloto de 73 mm (2,9 polegadas), pesando 49,9 kg (109 libras). O RC-130L possui uma extens\u00e3o maior, de 184 mm (7,20 polegadas), e um di\u00e2metro do cubo piloto de 96 mm (3,8 polegadas), pesando 54 kg (120 libras). A variante correta \u00e9 determinada pela configura\u00e7\u00e3o de montagem do cubo da l\u00e2mina do seu implemento de corte rotativo espec\u00edfico. Consulte o manual do seu implemento ou me\u00e7a o comprimento da extens\u00e3o de sa\u00edda da caixa de engrenagens existente para confirmar qual variante voc\u00ea precisa antes de fazer o pedido.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7951 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-130-Rotary-Cutter-Gearbox-2.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-130-Rotary-Cutter-Gearbox-2.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-130-Rotary-Cutter-Gearbox-2-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-130-Rotary-Cutter-Gearbox-2-480x480.webp 480w\" alt=\"Caixa de engrenagens do cortador rotativo RC-130\" width=\"1000\" height=\"1000\" \/><\/p>\n<h2>Avalia\u00e7\u00f5es de clientes<\/h2>\n<p><strong>James Whitfield | Fazenda de Gado e Feno | Estados Unidos<\/strong><br \/>\n\u201cTemos uma grande opera\u00e7\u00e3o de cultivo de gr\u00e3os e feno no centro do Texas e, ao longo dos anos, j\u00e1 troquei diversas caixas de engrenagens de ro\u00e7adeiras rotativas. Encomendei a RC-130S na primavera passada para nossa ro\u00e7adeira Rhino de 1,80 m para substituir uma unidade que estava vazando muito \u00f3leo ap\u00f3s duas temporadas. O encaixe foi perfeito, sem necessidade de modifica\u00e7\u00f5es. J\u00e1 usamos a m\u00e1quina por cerca de 300 horas desde ent\u00e3o e o retentor de sa\u00edda n\u00e3o apresentou uma \u00fanica gota de \u00f3leo, mesmo trabalhando com grama bermuda costeira bem densa. A tampa de inspe\u00e7\u00e3o superior \u00e9 algo que realmente aprecio \u2013 posso verificar as engrenagens sem precisar remover toda a unidade da plataforma de corte. Vale cada centavo.\u201d<\/p>\n<p><strong>Robert Demers | Departamento de Estradas Municipais | Canad\u00e1<\/strong><br \/>\n\u201cEncomendei duas unidades RC-130L da CMN para nossa frota de ro\u00e7adeiras municipais aqui em Ont\u00e1rio. Precis\u00e1vamos de uma substitui\u00e7\u00e3o direta para as caixas Omni RC-130L originais em nossas ro\u00e7adeiras de acostamento. A equipe de vendas da CMN confirmou a compatibilidade antes de fazermos o pedido e as unidades chegaram bem embaladas em tr\u00eas semanas. Ambas est\u00e3o em opera\u00e7\u00e3o em nosso cronograma de manuten\u00e7\u00e3o de faixas de dom\u00ednio de rodovias desde maio. A rela\u00e7\u00e3o de 1:1,46 que selecionamos tem sido perfeita para as nossas condi\u00e7\u00f5es. Sem problemas, sem vazamentos, sem reclama\u00e7\u00f5es dos operadores. Com certeza faremos novos pedidos quando nossas pr\u00f3ximas unidades precisarem ser substitu\u00eddas.\u201d<\/p>\n<p><strong>Eduardo Ramirez Torres | Opera\u00e7\u00f5es no Campo de Cana-de-A\u00e7\u00facar | M\u00e9xico<\/strong><br \/>\n\u201cBoa qualidade e \u00f3timo servi\u00e7o. Administramos planta\u00e7\u00f5es de cana-de-a\u00e7\u00facar no estado de Veracruz e usamos ro\u00e7adeiras rotativas para o nivelamento p\u00f3s-colheita antes do replantio. Nossa caixa de engrenagens antiga trincou ap\u00f3s atingir uma pedra enterrada, ent\u00e3o precis\u00e1vamos de uma substituta rapidamente. Encontramos a CMN online, enviamos as especifica\u00e7\u00f5es do nosso implemento e eles confirmaram que a RC-130S era a ideal. O envio para o M\u00e9xico levou cerca de 18 dias, a embalagem era resistente e nada foi danificado. A caixa de engrenagens tem trabalhado bastante desde a instala\u00e7\u00e3o, durante todo o ciclo de nivelamento da esta\u00e7\u00e3o seca. O n\u00edvel de \u00f3leo permaneceu correto durante toda a esta\u00e7\u00e3o. Muito satisfeitos com a qualidade do produto e o servi\u00e7o.\u201d<\/p>\n<p><strong>Carlos Henrique Souza | Fazenda de Gr\u00e3os | Brasil<\/strong><br \/>\n\u201cSomos uma pequena empresa familiar de cultivo de soja e milho no Mato Grosso e usamos bastante nossa ro\u00e7adeira a cada ciclo de preparo do solo. Nos \u00faltimos tr\u00eas anos, testamos duas outras caixas de engrenagens de reposi\u00e7\u00e3o e ambas apresentaram problemas de veda\u00e7\u00e3o na segunda safra. A CMN RC-130 \u00e9 diferente \u2013 as veda\u00e7\u00f5es de tripla camada s\u00e3o visivelmente mais robustas do que as que vi em unidades mais baratas, e o design labir\u00edntico da sa\u00edda me d\u00e1 confian\u00e7a de que o problema de enrolamento que t\u00ednhamos antes n\u00e3o voltar\u00e1. J\u00e1 se passaram 14 meses e a caixa de engrenagens est\u00e1 firme, sem vazamentos de \u00f3leo e funcionando exatamente como esperado. Recomendei a dois vizinhos que comprassem a mesma unidade.\u201d<\/p>\n<p><strong>Alejandro Morales | Manejo de Pastagens | Argentina<\/strong><br \/>\n\u201cGerenciamos 1.200 hectares de terras agr\u00edcolas mistas na regi\u00e3o dos Pampas e utilizamos tr\u00eas implementos diferentes de ro\u00e7adeiras rotativas para manejo de pastagens e limpeza p\u00f3s-colheita. Consultei a CMN sobre a RC-130L para nossa ro\u00e7adeira de 3,6 metros (12 p\u00e9s), a mais pesada. A equipe t\u00e9cnica deles confirmou que o torque era compat\u00edvel com a pot\u00eancia do nosso trator de 171 HP, na rela\u00e7\u00e3o de 1:1,92 que precis\u00e1vamos. Duas unidades foram enviadas e chegaram a Buenos Aires sem problemas. Ambas est\u00e3o instaladas h\u00e1 pouco mais de um ano e funcionam perfeitamente. A tampa de inspe\u00e7\u00e3o \u00e9 excelente para as condi\u00e7\u00f5es remotas do nosso campo, onde n\u00e3o podemos levar os equipamentos para uma oficina para manuten\u00e7\u00e3o de rotina.\u201d<\/p>\n<p><strong>Pierre-Antoine Leblanc | Gest\u00e3o de Pomares e Vinhedos | Fran\u00e7a<\/strong><br \/>\n\u201cBom servi\u00e7o, produto conforme. Operamos uma empresa de corte de grama por contrato na regi\u00e3o de Occit\u00e2nia e compramos duas caixas de engrenagens RC-130S para substituir as de nossas segadoras de acabamento Rabaud. A entrega na Fran\u00e7a levou aproximadamente 21 dias a partir da confirma\u00e7\u00e3o do pedido. As especifica\u00e7\u00f5es corresponderam perfeitamente \u00e0s dimens\u00f5es originais e o padr\u00e3o de montagem se alinhou sem qualquer modifica\u00e7\u00e3o. Ap\u00f3s seis meses de uso em trabalhos entre linhas em vinhedos e pomares, ambas as unidades permanecem em excelente estado. As cinco op\u00e7\u00f5es de rela\u00e7\u00e3o de transmiss\u00e3o foram uma grata surpresa em compara\u00e7\u00e3o com as unidades de rela\u00e7\u00e3o \u00fanica que t\u00ednhamos anteriormente. Recomendaria a CMN a outros prestadores de servi\u00e7os agr\u00edcolas franceses sem hesitar.\u201d<\/p>\n<p><strong>Timothy Walsh | Opera\u00e7\u00e3o Agr\u00edcola Mista | Austr\u00e1lia<\/strong><br \/>\n\u201c\u00d3tima caixa de engrenagens, constru\u00e7\u00e3o s\u00f3lida. Tenho uma propriedade de cria\u00e7\u00e3o de ovelhas e cultivo de gr\u00e3os na regi\u00e3o de Riverina, em Nova Gales do Sul, e uso ro\u00e7adeiras rotativas para manejo de pastagens h\u00e1 mais de 20 anos. A RC-130L que encomendei da CMN chegou em um prazo razo\u00e1vel \u2013 cerca de 3 semanas e meia para o interior de Nova Gales do Sul. A caixa de engrenagens \u00e9 visivelmente mais pesada e robusta do que a \u00faltima unidade de reposi\u00e7\u00e3o que experimentei. A instala\u00e7\u00e3o foi simples com as ferramentas corretas e j\u00e1 se passaram 8 meses desde a instala\u00e7\u00e3o, trabalhando em condi\u00e7\u00f5es de pasto muito dif\u00edceis. Uma pequena observa\u00e7\u00e3o: eu apreciaria uma documenta\u00e7\u00e3o mais clara sobre as especifica\u00e7\u00f5es do \u00f3leo na embalagem, embora o suporte por e-mail da CMN tenha resolvido isso rapidamente. No geral, estou muito satisfeito com a compra.\u201d<\/p>\n<p><strong>Vikram Patel | Distribuidor de Equipamentos Agr\u00edcolas | \u00cdndia<\/strong><br \/>\n\u201cSomos uma concession\u00e1ria de implementos agr\u00edcolas de m\u00e9dio porte no estado de Gujarat e, h\u00e1 v\u00e1rios anos, adquirimos caixas de engrenagens para cortadores rotativos de diversos fornecedores. A CMN Transmission nos foi recomendada por um contato de outra concession\u00e1ria em nossa rede. Fizemos um pedido experimental de cinco unidades RC-130S e a qualidade foi consistente em todas elas: o acabamento da carca\u00e7a estava impec\u00e1vel, sem defeitos de porosidade, as veda\u00e7\u00f5es encaixaram corretamente e o engrenamento da engrenagem c\u00f4nica soou suave no teste de rota\u00e7\u00e3o em bancada. A entrega foi feita em 20 dias para o porto de Ahmedabad e o desembara\u00e7o aduaneiro foi tranquilo. Desde ent\u00e3o, fizemos um segundo pedido de dez unidades. Nossos clientes n\u00e3o relataram nenhum problema at\u00e9 o momento.\u201d<\/p>\n<p><strong>Francisco Jim\u00e9nez Moreno | Cooperativa Agr\u00edcola | Espanha<\/strong><br \/>\n\u201cExcelente rela\u00e7\u00e3o custo-benef\u00edcio. Nossa cooperativa administra campos de produ\u00e7\u00e3o de sementes de grama e contratos de vegeta\u00e7\u00e3o \u00e0 beira da estrada na Extremadura. Substitu\u00edmos tr\u00eas caixas de engrenagens desgastadas em nossas ro\u00e7adeiras rotativas Kuhn pelas RC-130S da CMN. O suporte t\u00e9cnico de vendas confirmou a compatibilidade por e-mail em 24 horas ap\u00f3s nossa consulta, o que foi impressionante. O envio para a Espanha levou 19 dias. As caixas de engrenagens foram instaladas sem problemas de folga. Completamos uma temporada inteira, incluindo contratos de vegeta\u00e7\u00e3o \u00e0 beira da estrada no ver\u00e3o, em altas temperaturas, sem qualquer superaquecimento ou vazamento de \u00f3leo. O projeto do buj\u00e3o de al\u00edvio de press\u00e3o funciona perfeitamente. Muito satisfeitos com a qualidade e o n\u00edvel de servi\u00e7o da CMN Transmission.\u201d<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A caixa de engrenagens RC-130 para cortador rotativo, compat\u00edvel com a caixa de engrenagens Omni RC-130, \u00e9 uma unidade de transmiss\u00e3o de pot\u00eancia robusta, projetada especificamente para aplica\u00e7\u00f5es de corte agr\u00edcola exigentes. Concebida para acionar l\u00e2minas rotativas com precis\u00e3o e confiabilidade, esta caixa de engrenagens agr\u00edcola destaca-se no corte de grama, tritura\u00e7\u00e3o de palha e limpeza de mato em uma ampla variedade de condi\u00e7\u00f5es de campo. Sua fun\u00e7\u00e3o principal \u00e9 transformar a alta velocidade de rota\u00e7\u00e3o do eixo da tomada de for\u00e7a (TDF) do trator (540\/1000 RPM) em energia mec\u00e2nica controlada e de alto torque, necess\u00e1ria para um corte est\u00e1vel e eficiente.<\/p>","protected":false},"featured_media":7850,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"The RC-130 Rotary Cutter Gearbox Replacement for Omni RC-130 Gearbox is a heavy-duty power transmission unit engineered specifically for demanding agricultural cutting applications. Designed to drive rotary blades with precision and reliability, this agricultural gearbox excels in grass cutting, straw crushing, and brush clearing across a wide variety of field conditions. Its core function is to transform the high rotational speed of the tractor PTO shaft (540\/1000 RPM) into controlled, high-torque mechanical energy required for stable, efficient cutting. Whether you are working through thick straw, dense weeds, or heavy pasture cover, this gearbox for rotary cutter maintains consistent power output through fluctuating load conditions, with multi-speed ratio support to match different crop densities and terrains ranging from steep slopes to wetland fields.\r\n\r\nBuilt with 6-inch diameter, 3.175 DP pitch bevel gearing for maximum tooth shock resistance, the RC-130 also features a wide-diameter shaft extension tube for superior side loading and impact tolerance. Internally cast oil channels feed lubricant directly to lower output bearings, while an externally accessible drain plug and dipstick simplify field maintenance. The top inspection cover provides clear access to internal components for fast servicing and reassembly. A recessed blade hub nut design shields the connection from impact damage, and the proprietary 4-barrier labyrinth output oil seal prevents debris wrapping failures common in demanding rotary slasher gearbox and finishing mower gearbox environments.\r\n\r\n<img class=\"aligncenter wp-image-7850 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox.webp\" alt=\"RC-130 Rotary Cutter Gearbox\" width=\"800\" height=\"800\" \/>\r\n<h2>Product Specifications<\/h2>\r\n<table style=\"width: 100%\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"text-align: center\">Model:<\/td>\r\n<td style=\"text-align: center\">RC-130 Gearbox<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">HP Rating<\/td>\r\n<td style=\"text-align: center\">61 - 171 HP<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Torque:<\/td>\r\n<td style=\"text-align: center\">7,117 - 19,950 lb.-in.\r\n(803 - 2,252 Nm.)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Ratios:<\/td>\r\n<td style=\"text-align: center\">1.21:1, 1:1, 1:1.21, 1:1.46, 1:1.92<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Gear Type:<\/td>\r\n<td style=\"text-align: center\">Bevel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Seal Type:<\/td>\r\n<td style=\"text-align: center\">Triple Lip Spring Loaded<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Bearing Type:<\/td>\r\n<td style=\"text-align: center\">Tapered Roller<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Oil Capacity:<\/td>\r\n<td style=\"text-align: center\">60 oz.\r\n(1.8 L)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Weight:<\/td>\r\n<td style=\"text-align: center\">109 lbs.\r\n(49.9 kg)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Applications:<\/td>\r\n<td style=\"text-align: center\">Finishing Mowers\r\nRotary Cutters\r\nRotary Slashers<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2>RC-130 Rotary Cutter Gearbox Dimensions<\/h2>\r\n<img class=\"aligncenter wp-image-7909 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox-Dimensions.webp\" alt=\"Rotary Cutter Gearbox Dimensions\" width=\"1200\" height=\"600\" \/>\r\n<table style=\"width: 100%\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\r\n<thead>\r\n<tr>\r\n<th style=\"text-align: center\" rowspan=\"2\">Model<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Maximum Weight of Unit<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">CL to Thru Cap A<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">CL to Flange B<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Flange to Hub Pilot C<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Hub Pilot Diameter H<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Flange Diameter D1<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Bolt Hole Pattern E1<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Mounting Holes F1<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Flange Square Size D2<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Bolt Hole Pattern E2<\/th>\r\n<th style=\"text-align: center\" colspan=\"2\">Mounting Holes F2<\/th>\r\n<\/tr>\r\n<tr>\r\n<th style=\"text-align: center\">lb<\/th>\r\n<th style=\"text-align: center\">kg<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<th style=\"text-align: center\">in<\/th>\r\n<th style=\"text-align: center\">mm<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td style=\"text-align: center\">RC-20<\/td>\r\n<td style=\"text-align: center\">34<\/td>\r\n<td style=\"text-align: center\">15<\/td>\r\n<td style=\"text-align: center\">3.0<\/td>\r\n<td style=\"text-align: center\">76<\/td>\r\n<td style=\"text-align: center\">6.5<\/td>\r\n<td style=\"text-align: center\">165<\/td>\r\n<td style=\"text-align: center\">2.40<\/td>\r\n<td style=\"text-align: center\">61.0<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">6.18<\/td>\r\n<td style=\"text-align: center\">157<\/td>\r\n<td style=\"text-align: center\">6.8<\/td>\r\n<td style=\"text-align: center\">171.5<\/td>\r\n<td style=\"text-align: center\">(4) 0.67<\/td>\r\n<td style=\"text-align: center\">(4) 17<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-27<\/td>\r\n<td style=\"text-align: center\">47<\/td>\r\n<td style=\"text-align: center\">21<\/td>\r\n<td style=\"text-align: center\">3.5<\/td>\r\n<td style=\"text-align: center\">88<\/td>\r\n<td style=\"text-align: center\">6.4<\/td>\r\n<td style=\"text-align: center\">164<\/td>\r\n<td style=\"text-align: center\">2.40<\/td>\r\n<td style=\"text-align: center\">61.0<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">6.18<\/td>\r\n<td style=\"text-align: center\">157<\/td>\r\n<td style=\"text-align: center\">6.8<\/td>\r\n<td style=\"text-align: center\">171.5<\/td>\r\n<td style=\"text-align: center\">(4) 0.67<\/td>\r\n<td style=\"text-align: center\">(4) 17<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-30<\/td>\r\n<td style=\"text-align: center\">51<\/td>\r\n<td style=\"text-align: center\">23<\/td>\r\n<td style=\"text-align: center\">3.9<\/td>\r\n<td style=\"text-align: center\">100<\/td>\r\n<td style=\"text-align: center\">6.4<\/td>\r\n<td style=\"text-align: center\">164<\/td>\r\n<td style=\"text-align: center\">3.30<\/td>\r\n<td style=\"text-align: center\">84.0<\/td>\r\n<td style=\"text-align: center\">2.5<\/td>\r\n<td style=\"text-align: center\">63.5<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">6.89<\/td>\r\n<td style=\"text-align: center\">175<\/td>\r\n<td style=\"text-align: center\">6.8<\/td>\r\n<td style=\"text-align: center\">171.5<\/td>\r\n<td style=\"text-align: center\">(4) 0.67<\/td>\r\n<td style=\"text-align: center\">(4) 17<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-51<\/td>\r\n<td style=\"text-align: center\">56<\/td>\r\n<td style=\"text-align: center\">25<\/td>\r\n<td style=\"text-align: center\">3.7<\/td>\r\n<td style=\"text-align: center\">94<\/td>\r\n<td style=\"text-align: center\">6.4<\/td>\r\n<td style=\"text-align: center\">164<\/td>\r\n<td style=\"text-align: center\">3.50<\/td>\r\n<td style=\"text-align: center\">88.9<\/td>\r\n<td style=\"text-align: center\">2.5<\/td>\r\n<td style=\"text-align: center\">63.5<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">6.89<\/td>\r\n<td style=\"text-align: center\">175<\/td>\r\n<td style=\"text-align: center\">6.8<\/td>\r\n<td style=\"text-align: center\">171.5<\/td>\r\n<td style=\"text-align: center\">(4) 0.67<\/td>\r\n<td style=\"text-align: center\">(4) 17<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-61<\/td>\r\n<td style=\"text-align: center\">81<\/td>\r\n<td style=\"text-align: center\">37<\/td>\r\n<td style=\"text-align: center\">4.2<\/td>\r\n<td style=\"text-align: center\">107<\/td>\r\n<td style=\"text-align: center\">7.2<\/td>\r\n<td style=\"text-align: center\">183<\/td>\r\n<td style=\"text-align: center\">3.50<\/td>\r\n<td style=\"text-align: center\">88.9<\/td>\r\n<td style=\"text-align: center\">2.5<\/td>\r\n<td style=\"text-align: center\">63.5<\/td>\r\n<td style=\"text-align: center\">9.5<\/td>\r\n<td style=\"text-align: center\">242.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(4) 0.787<\/td>\r\n<td style=\"text-align: center\">(4) 20<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-71<\/td>\r\n<td style=\"text-align: center\">83<\/td>\r\n<td style=\"text-align: center\">38<\/td>\r\n<td style=\"text-align: center\">4.2<\/td>\r\n<td style=\"text-align: center\">107<\/td>\r\n<td style=\"text-align: center\">7.2<\/td>\r\n<td style=\"text-align: center\">183<\/td>\r\n<td style=\"text-align: center\">3.50<\/td>\r\n<td style=\"text-align: center\">88.9<\/td>\r\n<td style=\"text-align: center\">2.5<\/td>\r\n<td style=\"text-align: center\">63.5<\/td>\r\n<td style=\"text-align: center\">9.5<\/td>\r\n<td style=\"text-align: center\">242.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(4) 0.787<\/td>\r\n<td style=\"text-align: center\">(4) 20<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-81<\/td>\r\n<td style=\"text-align: center\">98<\/td>\r\n<td style=\"text-align: center\">45<\/td>\r\n<td style=\"text-align: center\">4.6<\/td>\r\n<td style=\"text-align: center\">116<\/td>\r\n<td style=\"text-align: center\">11.0<\/td>\r\n<td style=\"text-align: center\">279<\/td>\r\n<td style=\"text-align: center\">3.50<\/td>\r\n<td style=\"text-align: center\">88.9<\/td>\r\n<td style=\"text-align: center\">2.5<\/td>\r\n<td style=\"text-align: center\">63.5<\/td>\r\n<td style=\"text-align: center\">9.6<\/td>\r\n<td style=\"text-align: center\">245.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(4) 0.787<\/td>\r\n<td style=\"text-align: center\">(4) 20<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-100<\/td>\r\n<td style=\"text-align: center\">96<\/td>\r\n<td style=\"text-align: center\">44<\/td>\r\n<td style=\"text-align: center\">4.8<\/td>\r\n<td style=\"text-align: center\">121<\/td>\r\n<td style=\"text-align: center\">7.1<\/td>\r\n<td style=\"text-align: center\">180<\/td>\r\n<td style=\"text-align: center\">3.78<\/td>\r\n<td style=\"text-align: center\">96.0<\/td>\r\n<td style=\"text-align: center\">2.5<\/td>\r\n<td style=\"text-align: center\">63.5<\/td>\r\n<td style=\"text-align: center\">9.4<\/td>\r\n<td style=\"text-align: center\">240.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(4) 0.787<\/td>\r\n<td style=\"text-align: center\">(4) 20<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-130S<\/td>\r\n<td style=\"text-align: center\">109<\/td>\r\n<td style=\"text-align: center\">49<\/td>\r\n<td style=\"text-align: center\">5.1<\/td>\r\n<td style=\"text-align: center\">130<\/td>\r\n<td style=\"text-align: center\">7.1<\/td>\r\n<td style=\"text-align: center\">180<\/td>\r\n<td style=\"text-align: center\">4.00<\/td>\r\n<td style=\"text-align: center\">102.0<\/td>\r\n<td style=\"text-align: center\">2.9<\/td>\r\n<td style=\"text-align: center\">73.0<\/td>\r\n<td style=\"text-align: center\">9.8<\/td>\r\n<td style=\"text-align: center\">250.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(6) 0.807<\/td>\r\n<td style=\"text-align: center\">(6) 21<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-130L<\/td>\r\n<td style=\"text-align: center\">120<\/td>\r\n<td style=\"text-align: center\">54<\/td>\r\n<td style=\"text-align: center\">5.1<\/td>\r\n<td style=\"text-align: center\">130<\/td>\r\n<td style=\"text-align: center\">7.1<\/td>\r\n<td style=\"text-align: center\">180<\/td>\r\n<td style=\"text-align: center\">7.20<\/td>\r\n<td style=\"text-align: center\">184.0<\/td>\r\n<td style=\"text-align: center\">3.8<\/td>\r\n<td style=\"text-align: center\">96.0<\/td>\r\n<td style=\"text-align: center\">9.8<\/td>\r\n<td style=\"text-align: center\">250.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(6) 0.807<\/td>\r\n<td style=\"text-align: center\">(6) 21<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-145<\/td>\r\n<td style=\"text-align: center\">110<\/td>\r\n<td style=\"text-align: center\">50<\/td>\r\n<td style=\"text-align: center\">5.6<\/td>\r\n<td style=\"text-align: center\">142<\/td>\r\n<td style=\"text-align: center\">8.9<\/td>\r\n<td style=\"text-align: center\">225<\/td>\r\n<td style=\"text-align: center\">8.05<\/td>\r\n<td style=\"text-align: center\">204.5<\/td>\r\n<td style=\"text-align: center\">3.8<\/td>\r\n<td style=\"text-align: center\">96.0<\/td>\r\n<td style=\"text-align: center\">10.2<\/td>\r\n<td style=\"text-align: center\">260.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(6) 0.807<\/td>\r\n<td style=\"text-align: center\">(6) 21<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-150L<\/td>\r\n<td style=\"text-align: center\">145<\/td>\r\n<td style=\"text-align: center\">66<\/td>\r\n<td style=\"text-align: center\">5.1<\/td>\r\n<td style=\"text-align: center\">130<\/td>\r\n<td style=\"text-align: center\">11.0<\/td>\r\n<td style=\"text-align: center\">280<\/td>\r\n<td style=\"text-align: center\">7.20<\/td>\r\n<td style=\"text-align: center\">184.0<\/td>\r\n<td style=\"text-align: center\">3.8<\/td>\r\n<td style=\"text-align: center\">96.0<\/td>\r\n<td style=\"text-align: center\">9.8<\/td>\r\n<td style=\"text-align: center\">250.0<\/td>\r\n<td style=\"text-align: center\">8.0<\/td>\r\n<td style=\"text-align: center\">203.2<\/td>\r\n<td style=\"text-align: center\">(6) 0.807<\/td>\r\n<td style=\"text-align: center\">(6) 21<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">RC-200<\/td>\r\n<td style=\"text-align: center\">220<\/td>\r\n<td style=\"text-align: center\">100<\/td>\r\n<td style=\"text-align: center\">6.4<\/td>\r\n<td style=\"text-align: center\">162<\/td>\r\n<td style=\"text-align: center\">9.5<\/td>\r\n<td style=\"text-align: center\">241<\/td>\r\n<td style=\"text-align: center\">8.00<\/td>\r\n<td style=\"text-align: center\">203.0<\/td>\r\n<td style=\"text-align: center\">5.3<\/td>\r\n<td style=\"text-align: center\">135.0<\/td>\r\n<td style=\"text-align: center\">11.8<\/td>\r\n<td style=\"text-align: center\">300.0<\/td>\r\n<td style=\"text-align: center\">10<\/td>\r\n<td style=\"text-align: center\">254.0<\/td>\r\n<td style=\"text-align: center\">(6) 0.905<\/td>\r\n<td style=\"text-align: center\">(6) 23<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<td style=\"text-align: center\">-<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2>Key Benefit of the RC-130 Rotary Cutter Gearbox<\/h2>\r\n1. Tractor PTO Drive Compatibility\r\nThe RC-130 connects directly to the tractor power output shaft, supporting both 540 RPM and 1000 RPM standard speeds with quick-change coupling systems for fast installation and removal. This makes it a plug-and-play replacement gearbox for rotary cutter setups without adapter modifications. The splined input shaft matches industry-standard PTO configurations used across leading tractor brands, reducing downtime during implement changes and enabling fast seasonal deployment.\r\n\r\n2. All-Terrain Adaptability\r\nThe floating gearbox design allows the cutting deck to follow ground contours dynamically, automatically adjusting blade height as terrain rises and falls. This protects cutting blades from collision with embedded rocks, root systems, or hard soil ridges without operator intervention. Whether working on sloped pastureland, uneven paddocks, or wetland edges, the RC-130 rotary mower gearbox platform maintains consistent blade contact and cutting efficiency across all surface profiles encountered in real-world field conditions.\r\n\r\n3. Field Maintenance Convenience\r\nExternal oil fill and drain ports combined with a conveniently positioned dipstick allow operators to check the rotary cutter gearbox oil level and perform oil changes without disassembly. The top inspection cover grants direct access to internal gears and bearings for visual inspection and servicing in the field. Monitoring correct rotary cutter gearbox oil levels at every service interval is critical, and the RC-130 makes this routine check simple and fast even without workshop tools or hoisting equipment.\r\n\r\n4. Durability and Environmental Protection\r\nConstructed from high-strength ductile iron with a corrosion-resistant surface treatment, the RC-130 housing withstands continuous exposure to mud, water, gravel, plant sap, and field debris. The triple lip spring-loaded seal system and 4-barrier labyrinth output design provide multiple layers of defense against debris intrusion and oil leakage, dramatically extending the operational life of internal bearings and bevel gears under sustained high-load conditions typical of heavy rotary slasher gearbox and brush hog applications.\r\n\r\n5. Integrated Safety Protection\r\nAn integrated overload clutch or shear bolt mechanism automatically disengages power transmission when cutting blades encounter an immovable obstruction such as a buried stump or large rock, preventing catastrophic internal gear failure and protecting the driveline from shock overload damage. The hidden blade hub nut further reduces the risk of impact breakage at the output connection point, keeping the RC-130 operational even through encounters with embedded field hazards common in heavy brush clearing applications.\r\n\r\n6. Multiple Speed Ratios\r\nWith five available rotary cutter gearbox ratios (1.21:1, 1:1, 1:1.21, 1:1.46, and 1:1.92), operators can precisely match output blade speed to the specific demands of each job. Light finishing work requires a different speed profile than heavy brush cutting or dense straw crushing. This wide ratio selection makes the RC-130 one of the most versatile units in its class, adaptable to conditions from fine lawn finishing to aggressive pasture reclamation, and a preferred choice among leading rotary cutter gearbox manufacturers serving diverse agricultural markets worldwide.\r\n\r\n<img class=\"aligncenter wp-image-7850 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-130-Rotary-Cutter-Gearbox.webp\" alt=\"RC-130 Rotary Cutter Gearbox\" width=\"800\" height=\"800\" \/>\r\n<h2>Operating Principle<\/h2>\r\nThe RC-130 Rotary Cutter Gearbox serves as the mechanical heart of any rotary cutter, rotary slasher, or finishing mower system. Power originates at the tractor's Power Take-Off (PTO) shaft, rotating at either 540 RPM or 1000 RPM depending on the tractor model and selected PTO speed. This rotational input enters the gearbox through the hardened alloy steel input shaft, splined to match the standard PTO driveline connection used across leading tractor manufacturers worldwide.\r\n\r\nInside the cast iron housing, a precision bevel gear set redirects the input shaft rotation by 90 degrees, simultaneously adjusting output speed and torque according to the selected gear ratio. This right-angle power redirection is the defining mechanical characteristic of a rotary cutter gearbox, allowing the cutting blade to spin on a vertical axis below the deck while the PTO shaft runs horizontally from the tractor. The bevel gears in the RC-130 are precision machine-cut from forged steel blanks to exacting tolerances, ensuring minimal backlash, low noise, and long-term dimensional stability under repeated high-shock loading from blade strikes.\r\n\r\nWith five selectable gear ratios from 1.21:1 to 1:1.92, operators configure the RC-130 to deliver the ideal blade speed for their specific application. A lower ratio like 1.21:1 produces higher output speed suitable for light finishing work where blade velocity matters more than raw torque. A step-up ratio of 1:1.92 maximizes blade tip speed, increasing cutting force for dense brush, thick straw, or heavy pasture vegetation. This wide ratio range is a critical advantage over single-ratio units, particularly for operations that alternate between fine mowing and heavy slashing tasks across the same farm or season.\r\n\r\nLubrication is handled through an oil-bath system where internal gears and bearings run partially submerged in gear oil within the sealed housing. Oil channels cast directly into the housing wall feed lubricant continuously to the lower output shaft bearings, which experience the highest radial and thrust loads during operation. Maintaining correct rotary cutter gearbox oil level using the external dipstick and performing scheduled oil changes are the two most important maintenance steps for maximizing gearbox service life in the field.\r\n\r\nOutput power leaves through the vertical output shaft, which connects directly to the blade spindle or cutting assembly below the mower deck. This shaft transmits the full torque output of the system - up to 19,950 lb.-in. (2,252 Nm) at maximum rated power - while absorbing lateral impact forces from blades striking rocks, stumps, and soil irregularities. The RC-130 output shaft is supported by precision tapered roller bearings rated for the combined radial and axial loads generated during the most demanding cutting conditions, including those encountered with a 100 hp rotary cutter gearbox application.\r\n\r\nThe triple lip spring-loaded output seal and 4-barrier labyrinth design work together to prevent oil from escaping the housing and to block grass, wire, and debris from reaching the output bearing. This dual-function sealing system addresses the most common failure mode of agricultural gearboxes in field service, making the RC-130 a highly reliable choice for operators seeking to minimize rotary cutter gearbox repair frequency and reduce total cost of ownership over the implement's working life.\r\n\r\n<img class=\"aligncenter wp-image-7896 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-1.webp\" alt=\"Rotary Cutter Gearbox Applications\" width=\"1200\" height=\"820\" \/>\r\n<h2>Application Areas<\/h2>\r\n<div>\r\n<h3>Grass Cutting and Straw Crushing<\/h3>\r\nThe RC-130 drives heavy swing-away blades to cut pasture grass, field straw, and cover crops such as corn stalks with consistent power output. Adjustable gear ratios allow operators to control the fineness of crushed material, selecting coarse chopping for mulching and field incorporation or finer crushing for silage pre-processing. This versatility makes it the standard choice for large-scale grain farms managing post-harvest residue across wide acreage operations every season.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Shrub and Bramble Clearing<\/h3>\r\nFor clearing woody brush at orchard boundaries, woodland edges, and reclaimed paddocks, the RC-130 delivers sustained high torque to sever hard woody stalks and bramble canes cleanly. The heavy-duty cast iron housing absorbs impact loads generated when blades strike dense brush without transmitting damaging shock forces back through the driveline. Widely used by professional land-clearing contractors and recognized by leading\u00a0rotary cutter gearbox suppliers\u00a0as a benchmark-class unit for this demanding application.\r\n<h3>Forestry and Vegetation Management<\/h3>\r\nFor light forestry applications including sapling clearing, dense undergrowth, and fire break maintenance, the RC-130's combination of high torque output, robust housing, and multi-ratio gear selection positions it as a capable solution. Operators working on fire prevention clearing, reforestation preparation, or wildlife habitat management frequently depend on this class of\u00a0rotary cutter gearbox\u00a0to handle variable material densities encountered in natural vegetation management across seasonal conditions.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Farmland Preparation and Stubble Treatment<\/h3>\r\nBefore planting or plowing, post-harvest stubble from rice, wheat, and similar crops must be quickly cleared. Combined with appropriate disc knife or dumping blade configurations, the RC-130 handles large-area stubble processing efficiently, reducing the time between harvest and the next planting cycle while improving seedbed conditions by incorporating organic matter into the surface layer for improved soil structure and nutrient availability.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Orchard and Vineyard Floor Management<\/h3>\r\nLow-profile\u00a0finishing mower gearbox\u00a0designs derived from the RC-130 platform are built for inter-row weed control in orchards, vineyards, and narrow-row specialty crop operations. The compact housing profile allows close pass-by of tree trunks and vine posts without contact risk, while the robust bevel gear set delivers reliable cutting performance across the seasonal management cycles that define perennial crop production systems throughout the growing year.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Municipal Roadside and Right-of-Way Mowing<\/h3>\r\nMunicipal maintenance contractors and utility operators rely on the RC-130 platform for roadside verge cutting, highway median maintenance, and right-of-way vegetation control. The heavy-duty sealing system and overload protection mechanism make it well-suited to unpredictable debris environments typical of roadsides, where blades may encounter broken glass, metal fragments, and other non-organic hazards that would quickly damage a lighter-duty gearbox under continuous operating schedules.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Pasture Reclamation and Renovation<\/h3>\r\nOvergrown or neglected pastures require a gearbox capable of handling exceptionally dense, tall vegetation before reseeding. The RC-130 paired with a heavy-duty rotary cutter deck provides the sustained power and mechanical resilience to process multiple seasons of unchecked growth in a single pass. Livestock producers undertaking pasture renovation programs across large paddocks consistently select this unit for its proven field reliability under extended high-load operating conditions throughout the year.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Turf and Sports Field Finishing<\/h3>\r\nAt lower ratio settings, the RC-130 platform supports high-speed, clean-cut finishing applications on large turf areas including sports fields, golf course roughs, and commercial grounds. The smooth power delivery of the bevel gear set and precision tapered roller bearings minimizes vibration at blade tips, producing consistent cut quality across extended finishing runs. This dual capability between heavy-duty clearing and precision finishing gives the RC-130 exceptional versatility across the full spectrum of cutting implement applications.\r\n\r\n<\/div>\r\n<img class=\"aligncenter wp-image-7863 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-2.webp\" alt=\"Rotary Cutter Gearbox\" width=\"1200\" height=\"900\" \/>\r\n<h2>How to Replace Your Rotary Cutter Gearbox<\/h2>\r\nStep 1: Disconnect Power and Secure the Implement\r\nBefore beginning any gearbox removal work, disengage the tractor PTO, shut down the engine completely, and remove the ignition key. Lower the cutter deck to the ground and engage all available transport locks or safety stands to prevent unintended movement. Disconnect the PTO driveshaft from the implement and set it safely to one side to eliminate the risk of accidental shaft rotation during the replacement procedure, which is the most common cause of workshop injuries during gearbox service work on rotary cutters and finishing mowers.\r\n\r\nStep 2: Drain the Gearbox Oil\r\nPosition a drain pan beneath the gearbox and remove the drain plug to drain all gear oil before attempting to remove the unit. Old gear oil often contains metal particles and water contamination that indicate the gearbox condition and failure mode. Inspect the drained oil for metallic debris, discoloration, or milky emulsification - these findings provide valuable diagnostic information confirming whether the gearbox failed due to lubrication breakdown, seal failure, or mechanical overload, and guides parts selection for the replacement unit.\r\n\r\nStep 3: Remove the Blade Assembly\r\nUsing appropriate impact tools and a blade brake bar to prevent rotation, remove the blade hub nut and carefully lower the blade assembly from the output shaft. Note that the RC-130 features a recessed hidden hub nut design that protects the nut from direct impact damage. Inspect the blade hub splines, blade carrier bar, and blade bolts for wear or impact damage at this stage, as these components may also require replacement when the gearbox is renewed as part of a comprehensive rotary cutter gearbox repair service program.\r\n\r\nStep 4: Unbolt and Remove the Failed Gearbox\r\nThe RC-130 gearbox is secured to the mower deck by six mounting bolts on a 250mm bolt circle pattern with 0.807-inch (21mm) holes. Remove all six mounting bolts evenly to prevent binding, then carefully lower the gearbox from the deck while supporting its weight. The RC-130S weighs 109 lbs. (49.9 kg) and the RC-130L weighs 120 lbs. (54 kg), so use an appropriate mechanical lifting aid or work with an assistant to prevent injury during removal.\r\n\r\nStep 5: Prepare Mounting Surface and Install Replacement\r\nThoroughly clean the gearbox mounting flange on the mower deck, removing all rust, old gasket material, and debris. Inspect the mounting bolt holes for thread damage and repair as needed. Position the RC-130 replacement unit, align the output shaft with the blade hub opening, and thread all six mounting bolts by hand before torquing evenly to specification in a cross pattern. Apply thread locker to mounting bolt threads as specified in the implement service manual to prevent vibration-induced loosening during subsequent field operation.\r\n\r\nStep 6: Fill with Oil and Conduct Pre-Start Inspection\r\nFill the new RC-130 gearbox with manufacturer-specified gear oil to the correct level indicated on the dipstick (60 oz. \/ 1.8 L capacity). Reinstall the blade assembly and hub nut to specified torque, reconnect the PTO driveshaft, and perform a final visual inspection before starting the tractor. Run the PTO at low speed for two to three minutes before returning to full operating RPM, allowing oil to fully circulate and confirming there are no leaks at the drain plug, fill port, or shaft seals before returning to full field operation.\r\n\r\n<img class=\"aligncenter wp-image-7937 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-30-Rotary-Cutter-Gearbox-2.webp\" alt=\"RC-30 Rotary Cutter Gearbox\" width=\"1000\" height=\"1000\" \/>\r\n<h2>Maintenance Tips<\/h2>\r\n<strong>Regular Oil Level Checks<\/strong>\r\nCheck the rotary cutter gearbox oil level using the external dipstick before every operating session or at a minimum every 8-10 operating hours. Low oil level is the leading preventable cause of gearbox overheating and bearing failure in field service. Always check with the implement on level ground and the gearbox at operating temperature for an accurate reading. Top up only with the manufacturer-specified gear oil viscosity grade to avoid mixing incompatible lubricants that could reduce lubrication film strength and damage internal components.\r\n\r\n<strong>Scheduled Oil Changes<\/strong>\r\nPerform a complete gear oil drain and refill after the first 50 hours of operation on a new or rebuilt gearbox to flush initial break-in wear particles. After this initial change, drain and refill every 200-250 operating hours or annually before seasonal storage, whichever comes first. Drain the rotary cutter gearbox oil while the gearbox is at operating temperature to maximize contaminant removal efficiency. Inspect drained oil for metallic particles, water emulsification, or discoloration, as these indicate internal component wear or seal failure requiring immediate investigation.\r\n\r\n<strong>Seal Inspection and Replacement<\/strong>\r\nInspect the input and output shaft oil seals at every oil change for signs of cracking, hardening, or lip deformation. Check the area around each shaft exit for oil weeping or accumulation of dirt mixed with oil, which indicates seal leakage. Replace seals immediately at the first sign of deterioration to prevent gear oil loss and the consequent bearing and gear damage that follows. The output seal labyrinth design on the RC-130 provides additional wrapping protection, but the seal lips themselves still require periodic inspection and planned replacement as part of a proactive maintenance program.\r\n\r\n<strong>Debris Wrap Monitoring<\/strong>\r\nInspect the output shaft area after each operating session for accumulated grass, wire, baling twine, or plant fiber wrapping. Even small accumulations wrapped tightly around the output shaft can generate enough pressure to cut through the output oil seal within a few operating hours. The RC-130's 4-barrier labyrinth design provides superior protection against wrapping failures, but this protection is reduced if wrapping is allowed to build up to the point where it contacts the labyrinth housing. Clear all wrapping at each inspection to maintain the full protective benefit of this patented design.\r\n\r\n<strong>Mounting Bolt Torque Checks<\/strong>\r\nVibration and impact loads during field operation can loosen gearbox mounting bolts over time, leading to misalignment between the gearbox output shaft and blade assembly that accelerates bearing wear and housing fatigue. Check all six mounting bolts for correct torque after the first 10 hours on a new installation and at every seasonal pre-start inspection thereafter. Apply thread locker compound to bolt threads if repeated loosening is observed, and replace any bolt showing thread stretch, corrosion, or impact damage immediately to maintain safe and correct mounting integrity.\r\n\r\n<strong>Internal Inspection via Top Cover<\/strong>\r\nThe RC-130's top inspection cover provides direct access to the internal gear set and upper bearing positions for visual condition assessment without removing the gearbox from the implement. At each annual service, remove the inspection cover and examine the bevel gear tooth surfaces for pitting, spalling, or abnormal wear patterns. Check for metallic debris or foreign objects inside the housing that may have entered through a failed seal. This internal inspection capability is a significant maintenance advantage unique to the RC-130 design compared to fully sealed competitor units on the market.\r\n\r\n<strong>Overload Clutch Service<\/strong>\r\nWhere the implement is fitted with an overload clutch or shear bolt mechanism upstream of the gearbox, inspect and service this component per its own maintenance schedule. A seized or incorrectly adjusted overload clutch fails to protect the gearbox during blade stall events, transmitting full shock energy directly into the gear teeth and bearings. Replace shear bolts with the manufacturer-specified grade and dimensions only - using higher-strength substitute bolts defeats the overload protection function and will result in accelerated gearbox wear or catastrophic internal failure requiring costly replacement.\r\n\r\n<strong>Off-Season Storage Preparation<\/strong>\r\nBefore placing the implement in seasonal storage, change the gear oil to remove moisture and wear particles accumulated during the operating season. Fresh oil contains inhibitors that protect internal surfaces from corrosion during extended storage periods. Clean the exterior of the gearbox housing thoroughly and apply a light coat of rust-preventive compound to exposed machined surfaces. Rotate the output shaft manually several times to distribute fresh oil across all gear and bearing surfaces before covering the implement for the off-season storage period.\r\n\r\n[video width=\"1280\" height=\"720\" mp4=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox.mp4\"][\/video]\r\n<h2>Rotary Cutter Gearbox and Agricultural PTO Shaft<\/h2>\r\nA rotary cutter gearbox and a PTO shaft are the two inseparable components of every tractor-driven cutting system. Together they form a complete mechanical power transmission chain that starts at the engine inside the tractor and ends at the spinning blades below the cutter deck. The tractor's Power Take-Off (PTO) shaft is an externally accessible stub shaft protruding from the rear of the tractor, driven directly by the engine through a dedicated internal clutch mechanism. When the operator engages the PTO, this shaft rotates at either 540 RPM or 1000 RPM depending on the selected PTO mode. The 540 RPM mode is the standard selection for most rotary cutter implements, while 1000 RPM is used for high-speed applications on tractors equipped for that specification. The PTO shaft itself does not drive the cutting blades directly. It is a power source that must be transmitted, redirected, and transformed before it can perform useful cutting work.\r\n\r\nThe PTO driveshaft - a telescoping shaft assembly fitted with universal joints at each end - bridges the distance between the tractor's PTO stub shaft and the input shaft of the rotary cutter gearbox. Universal joints allow this connection to accommodate the angular and length changes that occur as the tractor and implement move relative to each other during turning and operation over uneven ground. The driveshaft transfers rotation from the PTO stub shaft to the gearbox input without requiring perfect alignment, compensating for both horizontal and vertical angle changes within the rated operating angle of the universal joints used.\r\n\r\nAt the gearbox, rotational power enters through the input shaft and passes through the bevel gear set, which redirects it 90 degrees downward to the vertical output shaft. This right-angle redirection is the defining function of the rotary mower gearbox class. Without this directional change, there would be no practical way to connect a horizontally rotating PTO shaft to a vertically oriented cutting blade. The bevel gears also modify speed and torque, with the selected <a href=\"https:\/\/korea-transmission.com\/rotary-cutter-gearbox\/\"><strong>rotary cutter gearbox<\/strong><\/a> ratio determining whether the output blade spins faster, slower, or at the same speed as the PTO input. The RC-130 offers five ratio choices from 1.21:1 to 1:1.92 to cover this full range of operating requirements and crop conditions.\r\n\r\nFrom the gearbox output shaft, power flows directly into the blade carrier bar and the heavy swing blades mounted to it. When a blade strikes a solid object such as a rock, buried stump, or wire fence strand, the resulting shock load travels backward through this same power chain. The gearbox housing, bevel gears, bearings, and seals must all absorb and distribute this shock energy without failing. This is why heavy-duty housing construction, large-diameter bevel gearing, and high-capacity tapered roller bearings are not optional features in quality rotary cutter gearboxes but fundamental engineering requirements for reliable field performance across the full rated HP range of 61 to 171 HP.\r\n\r\nSelecting the correct PTO driveshaft to match the RC-130 gearbox is as important as the gearbox selection itself. The driveshaft must be rated for the maximum torque the gearbox will transmit, correctly sized for the operating length range between the tractor PTO and the implement input, and must never be operated at a joint angle exceeding the universal joint manufacturer's rated maximum, as excessive angles cause rapid joint wear and vibration that shortens both driveshaft and gearbox service life significantly.\r\n\r\nFor operators requiring rotary cutter gearbox parts or a complete driveshaft assembly to complement a new RC-130 installation, CMN Transmission can provide matched component recommendations based on the specific tractor model, implement frame, and rated operating power of the application. Correct system specification from the outset is the most reliable way to achieve maximum service life from both the gearbox and the PTO driveline components that work with it in daily field operations.\r\n\r\n<img class=\"aligncenter wp-image-5986 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Rotary-Cutter.webp\" alt=\"PTO Shaft for Rotary Cutter\" width=\"1000\" height=\"1000\" \/>\r\n<h2>Rotary Cutter Gearbox vs. Rotary Tiller Gearbox<\/h2>\r\nA\u00a0<strong>rotary cutter gearbox<\/strong>\u00a0transfers rotational energy from a tractor's PTO shaft to the vertical output shaft holding the cutting blades of a rotary cutter or brush hog. It uses a right-angle bevel gear configuration to redirect power 90 degrees while adjusting speed and multiplying torque to cut through dense vegetation, heavy pasture grass, shrubs, and light woody material. The housing is built to absorb violent impact loads from flying debris and hard objects encountered during heavy cutting operations in the field.\r\n\r\nA\u00a0<strong>rotary tiller gearbox<\/strong>\u00a0transfers PTO power to the horizontal tine shaft of a rotavator. It typically uses a central right-angle gearbox combined with a secondary side-drive system to step down speed and apply sustained soil-penetrating torque required for deep tillage work. Unlike the cutting-shock environment of a rotary cutter, the tiller gearbox manages continuous high-thrust loads from tines biting through compacted soil, clay, or hardpan conditions.\r\n<div>\r\n<h3>Rotary Cutter Gearbox: Advantages<\/h3>\r\n<ul>\r\n \t<li>Delivers high-torque output necessary for cutting heavy brush, saplings, and dense pasture grass efficiently across all field conditions.<\/li>\r\n \t<li>Heavy-duty ductile iron housing withstands violent blade strike impacts from rocks and debris without structural failure during normal operation.<\/li>\r\n \t<li>Straightforward bevel gear design ensures high reliability and simpler maintenance compared to the more complex rotary tiller gearbox configuration.<\/li>\r\n \t<li>Wide ratio selection adapts the same unit to both light finishing and heavy slashing work without require implement changes between jobs.<\/li>\r\n<\/ul>\r\n<h3>Disadvantages<\/h3>\r\n<ul>\r\n \t<li>Heavy cast iron construction adds significant implement weight compared to lighter-duty finishing mower gearboxes designed for turf applications.<\/li>\r\n \t<li>Susceptible to internal gear failure if the overload clutch seizes or shear bolt mechanism is bypassed during a blade jamming event in dense material.<\/li>\r\n \t<li>Output seal is vulnerable to wrapping damage from wire and twine accumulation around the output shaft in heavy-debris field environments.<\/li>\r\n<\/ul>\r\n<\/div>\r\n<div>\r\n<h3>Rotary Tiller Gearbox: Advantages<\/h3>\r\n<ul>\r\n \t<li>Provides stable, low-speed, high-torque output required for deep soil penetration and effective clod breaking in compacted soil conditions.<\/li>\r\n \t<li>Multi-speed tiller variants allow ratio selection to match soil conditions from fine seedbed preparation to rough primary cultivation requirements.<\/li>\r\n \t<li>Specialized heavy-duty seals block fine abrasive soil particles, extending internal component service life in dusty and muddy environments.<\/li>\r\n<\/ul>\r\n<h3>Disadvantages<\/h3>\r\n<ul>\r\n \t<li>More internally complex than rotary cutter gearboxes, making field repairs and rebuilds significantly more time-consuming and expensive to complete.<\/li>\r\n \t<li>A single seal failure allows fine soil to enter the housing immediately and destroy gear and bearing surfaces, leading to rapid catastrophic failure.<\/li>\r\n \t<li>Side drive chain boxes require precise tensioning and frequent lubrication checks to prevent chain snapping under heavy draft loads in hard soils.<\/li>\r\n<\/ul>\r\n<table style=\"height: 500px;width: 100%\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\r\n<thead>\r\n<tr>\r\n<th style=\"text-align: center\">Attribute<\/th>\r\n<th style=\"text-align: center\">Rotary Cutter Gearbox<\/th>\r\n<th style=\"text-align: center\">Rotary Tiller Gearbox<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td style=\"text-align: center\">Primary Function<\/td>\r\n<td style=\"text-align: center\">Cut and clear vegetation<\/td>\r\n<td style=\"text-align: center\">Break and till soil<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Power Redirection<\/td>\r\n<td style=\"text-align: center\">90 degrees (horizontal to vertical)<\/td>\r\n<td style=\"text-align: center\">90 degrees plus side chain drive<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Gear Type<\/td>\r\n<td style=\"text-align: center\">Bevel (straight or spiral)<\/td>\r\n<td style=\"text-align: center\">Bevel plus helical or chain<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Load Type<\/td>\r\n<td style=\"text-align: center\">High-impact shock loads<\/td>\r\n<td style=\"text-align: center\">Continuous high radial\/thrust loads<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Housing Material<\/td>\r\n<td style=\"text-align: center\">Heavy ductile iron<\/td>\r\n<td style=\"text-align: center\">Cast iron with sealed chain case<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Seal Priority<\/td>\r\n<td style=\"text-align: center\">Output seal (debris wrap risk)<\/td>\r\n<td style=\"text-align: center\">All seals (fine soil abrasion)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Maintenance Complexity<\/td>\r\n<td style=\"text-align: center\">Moderate (oil bath system)<\/td>\r\n<td style=\"text-align: center\">High (chain tension plus multiple oils)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Field Repair Ease<\/td>\r\n<td style=\"text-align: center\">High (top inspection cover access)<\/td>\r\n<td style=\"text-align: center\">Low (complex internal layout)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Output Direction<\/td>\r\n<td style=\"text-align: center\">Vertical (blade spindle below deck)<\/td>\r\n<td style=\"text-align: center\">Horizontal (tine rotor beneath frame)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center\">Key Application<\/td>\r\n<td style=\"text-align: center\">Brush hogs, rotary cutters, slashers<\/td>\r\n<td style=\"text-align: center\">Rotavators, soil tillers, cultivators<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<img class=\"aligncenter wp-image-7884 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Features-1.webp\" alt=\"Rotary Cutter Gearbox Features\" width=\"1600\" height=\"960\" \/>\r\n<h2>Why Choose CMN Transmission's Rotary Cutter Gearboxes?<\/h2>\r\nKorea CMN Transmission Co., Ltd. was established in 2000 and is located in Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, South Korea. With 100+ factory employees, CMN Transmission is dedicated to the research and development, manufacturing, sales, and service of agricultural gearboxes. Over more than two decades of global operation, CMN Transmission has grown into a recognized and reliable supplier in the agricultural transmission industry, exporting to 60+ destinations worldwide including the United States, Canada, Mexico, Brazil, Argentina, France, Germany, Italy, Spain, the United Kingdom, Russia, India, Thailand, Vietnam, Turkey, Australia, and New Zealand.\r\n\r\nOur product range covers rotary cutter gearboxes, rotary tiller gearboxes, feed mixer gearboxes, rotary mower gearboxes, fertilizer spreader gearboxes, flail mower gearboxes, post hole digger gearboxes, round baler gearboxes, square baler gearboxes, disc mower gearboxes, center pivot irrigation gearboxes, hydraulic drive gearboxes, silage machine gearboxes, orchard sprayer gearboxes, rotary rake gearboxes, combine harvester gearboxes, and more - covering nearly one thousand specifications for global agricultural machinery OEMs and replacement parts distributors worldwide.\r\n\r\nWith an annual production capacity exceeding 500,000 units and certifications including CE, ISO 9001, Environmental Management, and Occupational Health and Safety standards, CMN Transmission consistently delivers the product quality and technical support that global agricultural operations depend on. When you source a rotary cutter gearbox for sale through CMN Transmission, you receive a quality-certified unit backed by a manufacturer with proven decades of industry experience and an established global supply and support network. Contact CMN Transmission to confirm compatibility, select the correct gear ratio, and receive a competitive quote. Fast global shipping to all major agricultural markets with full pre-sales technical support.\r\n<ul>\r\n \t<li><strong>ISO 9001 Certified Manufacturing<\/strong>\r\nEvery RC-130 gearbox is manufactured under ISO 9001 quality management standards, ensuring consistent dimensional accuracy, material specification compliance, and assembly quality across all production batches shipped to customers worldwide.<\/li>\r\n \t<li><strong>Export to 60+ Countries<\/strong>\r\nDecades of international export experience means CMN understands customs, documentation, and logistics requirements of key markets globally, ensuring reliable and on-schedule delivery for OEM and distributor customers across all major agricultural regions.<\/li>\r\n \t<li><strong>500,000+ Units Annual Production<\/strong>\r\nOur production scale ensures stock availability and competitive pricing for standard models including the RC-130, while our experienced engineering team supports custom specification projects requiring non-standard ratios, shaft configurations, or mounting arrangements.<\/li>\r\n \t<li><strong>Pre-Sales Technical Support<\/strong>\r\nOur technical sales team provides compatibility confirmation, ratio selection guidance, and dimensional verification before you place an order, eliminating the risk of sourcing the wrong unit for your specific implement or application requirements.<\/li>\r\n<\/ul>\r\n<img class=\"aligncenter wp-image-7915 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Rotary-Cutter-Gearbox-Manufacturers.webp\" alt=\"Rotary Cutter Gearbox Manufacturers\" width=\"1200\" height=\"820\" \/>\r\n<h2>Frequently Asked Questions<\/h2>\r\n<strong>Q: Is the RC-130 a direct replacement for the original Omni RC-130 gearbox?<\/strong>\r\nA: Yes. The CMN RC-130 is designed as a direct-fit replacement for the Omni Gear RC-130 series gearbox. The mounting bolt pattern (6 holes on 250mm bolt circle, 0.807-inch holes), flange diameter (9.8 inches \/ 250mm), and overall housing dimensions are matched to the Omni RC-130 specification. Before ordering, confirm whether your implement requires the RC-130S (shorter output, 4.00 inches \/ 102mm) or RC-130L (longer output, 7.20 inches \/ 184mm) configuration, as these two variants cover the most common Omni RC-130 applications in the field.\r\n\r\n<strong>Q: What oil type and quantity does the RC-130 rotary cutter gearbox require?<\/strong>\r\nA: The RC-130 gearbox requires 60 oz. (1.8 liters) of gear oil. The recommended lubricant is an API GL-5 rated 80W-90 or 85W-140 mineral gear oil for normal agricultural operating conditions. In extremely cold climates, a 75W-90 synthetic gear oil may be used for improved cold-start fluidity. Always verify the rotary cutter gearbox oil level using the external dipstick with the implement on level ground before each operating session. Do not overfill, as excess oil increases internal pressure and can force lubricant past shaft seals.\r\n\r\n<strong>Q: What is the correct rotary cutter gearbox ratio for my application?<\/strong>\r\nA: The RC-130 is available in five gear ratios: 1.21:1, 1:1, 1:1.21, 1:1.46, and 1:1.92. The correct rotary cutter gearbox ratio depends on your PTO speed, desired blade tip speed, and material density. For light to medium finishing mower applications at 540 PTO RPM, the 1:1 or 1:1.21 ratios are most commonly selected. For heavy brush, dense straw, or challenging slasher work where maximum blade torque is needed, the 1:1.46 or 1:1.92 ratios provide higher cutting speed. Contact our technical team with your tractor PTO speed and implement specifications for a firm ratio recommendation specific to your application.\r\n\r\n<strong>Q: How do I know if my rotary cutter gearbox needs rebuilding or full replacement?<\/strong>\r\nA: Signs that indicate the need for rotary cutter gearbox rebuild or replacement include: persistent oil leakage from shaft seals after seal replacement, excessive noise or vibration during operation, difficulty maintaining blade speed under load, visible housing cracks, and metallic debris in the oil drain inspection. If bevel gear teeth show pitting, spalling, or fracture, full replacement is more economical than rebuilding. Minor issues such as seal replacement or bearing renewal can be addressed using quality rotary cutter gearbox parts from CMN Transmission's parts supply program.\r\n\r\n<strong>Q: What HP tractor is compatible with the RC-130 gearbox?<\/strong>\r\nA: The RC-130 is rated from 61 to 171 HP, making it suitable for a wide range from mid-range utility tractors to large row crop tractors. This covers 60 hp rotary cutter gearbox, 75 hp rotary cutter gearbox, and 100 hp rotary cutter gearbox application ranges. The maximum torque rating of 19,950 lb.-in. (2,252 Nm) sets the upper limit for safe continuous operation. Always confirm your tractor's PTO power rating and operating RPM against the gearbox specification before selection to ensure correct long-term compatibility.\r\n\r\n<strong>Q: Why does my rotary cutter gearbox leak oil and how do I fix it?<\/strong>\r\nA: The most common causes of rotary cutter gearbox oil leakage are worn or damaged shaft seals, grass or wire wrapping around the output shaft cutting through the seal lip, incorrect oil level causing overpressure, or a blocked pressure relief plug forcing oil past seals. First, clear all debris from around the output shaft and check the pressure relief plug is clear. Then drain oil to the correct level and inspect each shaft exit for seal damage. If seals are visibly cracked, hardened, or cut, replace them with the correct specification parts from CMN Transmission.\r\n\r\n<strong>Q: How often should I change the oil in my rotary cutter gearbox?<\/strong>\r\nA: Change the rotary cutter gearbox oil after the first 50 hours of operation on a new or rebuilt gearbox to flush initial break-in wear particles. After the initial change, perform oil changes every 200-250 operating hours or annually before seasonal storage, whichever comes first. Drain oil while the gearbox is at operating temperature to maximize contaminant removal. Always refill to the correct level using the dipstick. Regular oil changes are the single most effective maintenance action for maximizing gearbox life and avoiding premature rotary cutter gearbox repair costs.\r\n\r\n<strong>Q: Can the RC-130 be used as a finishing mower gearbox or only for heavy brush cutting?<\/strong>\r\nA: Yes. The RC-130 is listed for use in both finishing mowers and heavy-duty rotary cutters and rotary slashers. At lower gear ratios and with appropriate blade selection, the RC-130 delivers a clean, consistent cut quality suitable for large-area turf finishing on sports fields, golf course roughs, and commercial grounds maintenance. The same gearbox fitted with a heavier blade and higher step-up ratio transitions directly into aggressive brush and straw clearing duty, making it one of the most versatile units available among rotary cutter gearbox suppliers globally.\r\n\r\n<strong>Q: Do you supply individual RC-130 rotary cutter gearbox parts for repair?<\/strong>\r\nA: CMN Transmission maintains stock of rotary cutter gearbox parts including output seals, input seals, tapered roller bearings, pressure relief plugs, drain plugs, dipsticks, and inspection cover gaskets for the RC-130 series. Bevel gear sets and input\/output shaft assemblies are available on request for major rebuild work. Contact our technical sales team with your specific RC-130 variant (S or L) and the part description or failure symptom for correct identification and competitive pricing with expected lead times for your shipping destination.\r\n\r\n<strong>Q: What is the difference between the RC-130S and RC-130L variants?<\/strong>\r\nA: The RC-130S and RC-130L differ in output shaft extension length. The RC-130S has a flange-to-hub pilot dimension of 4.00 inches (102mm) and hub pilot diameter of 2.9 inches (73mm), weighing 109 lbs. (49.9 kg). The RC-130L has a longer extension of 7.20 inches (184mm) and hub pilot diameter of 3.8 inches (96mm), weighing 120 lbs. (54 kg). The correct variant is determined by the blade hub mounting arrangement of your specific rotary cutter implement. Check your OEM implement manual or measure the existing gearbox output extension length to confirm which variant you require before ordering.\r\n\r\n<img class=\"aligncenter wp-image-7951 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-130-Rotary-Cutter-Gearbox-2.webp\" alt=\"RC-130 Rotary Cutter Gearbox\" width=\"1000\" height=\"1000\" \/>\r\n<h2>Customer Reviews<\/h2>\r\n<strong>James Whitfield | Livestock and Hay Farm | United States<\/strong>\r\n\"We run a large row crop and hay operation in central Texas and I've gone through more than a few rotary cutter gearboxes over the years. Ordered the RC-130S last spring for our 6-foot Rhino cutter to replace a unit that was leaking badly after two seasons. The fitment was dead-on, no modifications needed at all. We've put about 300 hours on it since and the output seal hasn't shown a single drop of oil even working through some really thick coastal bermuda. The top inspection cover is something I really appreciate - I can check the gears without pulling the whole unit off the deck. Worth every cent.\"\r\n\r\n<strong>Robert Demers | Municipal Roads Department | Canada<\/strong>\r\n\"Ordered two RC-130L units from CMN for our municipal mowing fleet here in Ontario. We needed a direct replacement for the original Omni RC-130L boxes on our shoulder mowers. CMN's sales team confirmed compatibility before we placed the order and the units arrived well-packed within three weeks. Both have been running on our highway right-of-way maintenance schedule since May. The 1:1.46 ratio we selected has been perfect for our conditions. No issues, no leaks, no complaints from the operators. Will definitely be ordering again when our next units come due for replacement.\"\r\n\r\n<strong>Eduardo Ramirez Torres | Sugarcane Field Operations | Mexico<\/strong>\r\n\"Buena calidad y muy buen servicio. We manage sugarcane fields in Veracruz state and use rotary cutters for post-harvest clearing before replanting. Our old gearbox cracked the housing after hitting a buried rock, so we needed a replacement fast. Found CMN online, sent our implement specs, and they confirmed the RC-130S was the right fit. Shipping to Mexico took about 18 days, packaging was solid and nothing was damaged. The gearbox has been working hard since installation through the whole dry season clearing cycle. Oil level stayed correct the entire season. Very satisfied with the product quality and service.\"\r\n\r\n<strong>Carlos Henrique Souza | Grain Farm | Brazil<\/strong>\r\n\"We're a family soybean and maize operation in Mato Grosso and we put serious hours on our brush hog every planting prep cycle. Tried two other aftermarket gearboxes in the past three years and both had seal problems by the second season. The CMN RC-130 has been different - the triple lip seals are noticeably more substantial than what I've seen on the cheaper units, and the labyrinth output design makes me confident the wrapping issue we had before won't come back. It's been 14 months and the gearbox is tight, no oil loss, performs exactly as expected. I told two of my neighbors to order the same unit.\"\r\n\r\n<strong>Alejandro Morales | Pasture Management | Argentina<\/strong>\r\n\"We manage 1,200 hectares of mixed farmland in the Pampas region and run three different rotary cutter implements for pasture management and post-harvest clearing. I inquired with CMN about the RC-130L for our heaviest 12-foot slasher. Their technical team confirmed the torque rating matched our 171 HP tractor output at the 1:1.92 ratio we needed. Two units shipped and arrived in Buenos Aires without incident. Both have been installed for just over a year and are performing flawlessly. The inspection cover feature is excellent for our remote field conditions where we cannot easily bring equipment back to a workshop for routine servicing.\"\r\n\r\n<strong>Pierre-Antoine Leblanc | Orchard and Vineyard Management | France<\/strong>\r\n\"Bon service, produit conforme. We operate a contract mowing business in the Occitanie region and purchased two RC-130S gearboxes as replacements for our Rabaud finishing mowers. Delivery to France was approximately 21 days from order confirmation. The specifications matched perfectly with OEM dimensions and the mounting pattern aligned without any modification at all. After six months of use across vineyard and orchard inter-row work, both units remain in excellent condition. The five ratio options were a pleasant surprise compared to the single-ratio units we had previously. Would recommend CMN to other French agricultural contractors without hesitation.\"\r\n\r\n<strong>Timothy Walsh | Mixed Farm Operation | Australia<\/strong>\r\n\"Good gearbox, solid construction. I run a sheep and grain property in the Riverina district of New South Wales and have been using rotary slashers for pasture management for over 20 years. The RC-130L I ordered from CMN arrived in reasonable time - about 3.5 weeks to regional NSW. The gearbox is noticeably heavier and more substantial than the last aftermarket unit I tried. Installation was straightforward with the correct tools and it's been 8 months since fitment working through some very rough paddock conditions. One small note: I'd appreciate clearer oil spec documentation in the package, though CMN's email support sorted that out quickly. Overall very happy with the purchase.\"\r\n\r\n<strong>Vikram Patel | Agricultural Equipment Distributor | India<\/strong>\r\n\"We are a medium-scale implements dealer in Gujarat state and have been sourcing rotary cutter gearbox for sale from multiple suppliers for several years. CMN Transmission was recommended to us by another dealer contact in our network. We placed a trial order of five RC-130S units and quality was consistent across all five - housing finish was clean, no porosity defects, seals seated correctly, and bevel gear mesh sounded smooth on bench rotation test. Delivery was 20 days to Ahmedabad port and customs clearance was straightforward. We have since placed a second order of ten units. Our customers have reported no issues to date.\"\r\n\r\n<strong>Francisco Jimenez Moreno | Agricultural Cooperative | Spain<\/strong>\r\n\"Extremely high cost performance. Our cooperative manages grass seed production fields and roadside vegetation contracts in Extremadura. We replaced three worn gearboxes on our Kuhn rotary cutters with the RC-130S from CMN. Technical sales support confirmed compatibility via email within 24 hours of our inquiry, which was impressive. Shipping to Spain took 19 days. The gearboxes installed without any clearance issues. We completed one full season including summer roadside contracts in high temperatures without any overheating or oil weeping at all. The pressure relief plug design clearly works as intended. Very pleased with both the quality and service level from CMN Transmission.\"\r\n\r\n<\/div>","_et_gb_content_width":""},"product_brand":[],"product_cat":[301],"product_tag":[303,302,306,304,307,305,308],"class_list":{"0":"post-7948","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rotary-cutter-gearbox","7":"product_tag-gearbox-for-rotary-cutter","8":"product_tag-rotary-cutter-gearbox","9":"product_tag-rotary-cutter-gearbox-for-sale","10":"product_tag-rotary-cutter-gearbox-manufacturers","11":"product_tag-rotary-cutter-gearbox-ratio","12":"product_tag-rotary-cutter-gearbox-suppliers","13":"product_tag-rotary-mower-gearbox","15":"first","16":"instock","17":"shipping-taxable","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product\/7948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/comments?post=7948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/media\/7850"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/media?parent=7948"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product_brand?post=7948"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product_cat?post=7948"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/product_tag?post=7948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}