{"id":7960,"date":"2026-09-07T06:47:09","date_gmt":"2026-09-07T06:47:09","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&#038;p=7960"},"modified":"2026-09-07T08:07:14","modified_gmt":"2026-09-07T08:07:14","slug":"rc-120-rotary-cutter-gearbox-replacement-for-omni-rc-120-gearbox","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/pl\/produkt\/rc-120-rotary-cutter-gearbox-replacement-for-omni-rc-120-gearbox\/","title":{"rendered":"Wymiana przek\u0142adni no\u017ca obrotowego RC-120 na przek\u0142adni\u0119 Omni RC-120"},"content":{"rendered":"<p>The RC-120 Rotary Cutter Gearbox Replacement for Omni RC-120 Gearbox is a premium-grade power transmission unit engineered specifically for agricultural machinery across demanding field environments. Designed to serve as a direct drop-in replacement for the OEM Omni RC-120 gearbox, this unit is primarily used to drive rotary knives and cutting assemblies for efficient vegetation management operations, including grass cutting, straw crushing, and brush clearing. Rated from 51 to 161 HP and delivering torque between 803 and 2,252 Nm, it converts the high-speed rotation of a tractor PTO shaft (540 or 1,000 RPM) into stable, high-torque output suitable for even the heaviest cutting loads. Five selectable gear ratios (1.21:1, 1:1, 1:1.21, 1:1.46, 1:1.92) allow the operator to match output speed and torque to the specific crop density or terrain encountered. The bevel gear architecture, triple-lip spring-loaded seals, and tapered roller bearings ensure this agricultural gearbox withstands the relentless shock loads, contamination, and moisture exposure inherent to rotary cutter operation.<\/p>\n<p>This gearbox for rotary cutter applications excels across a wide range of scenarios: slashing overgrown roadsides, cutting thick pasture grass between grazing cycles, mulching post-harvest crop stubble, and clearing brush along fence lines and waterways. The sealed ductile iron housing, weighing 49.9 kg (109 lbs), contains a precision bevel gear set that redirects PTO input through 90 degrees to drive the blade spindle vertically beneath the mower deck. Whether used on finishing mowers, rotary slashers, or heavy-duty rotary cutters, the RC-120 maintains consistent blade speed even as load conditions fluctuate, protecting both the cutting implement and the tractor driveline. For operators seeking a reliable, proven replacement rotary cutter gearbox that installs without modification and performs at OEM specification, the RC-120 from CMN Transmission is the definitive choice.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7849 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-120-Rotary-Cutter-Gearbox.webp\" alt=\"Przek\u0142adnia no\u017ca obrotowego RC-120\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-120-Rotary-Cutter-Gearbox.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-120-Rotary-Cutter-Gearbox-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Specyfikacja produktu<\/h2>\n<table style=\"width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\">Model:<\/td>\n<td style=\"text-align: center;\">Skrzynia bieg\u00f3w RC-120<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Ocena HP<\/td>\n<td style=\"text-align: center;\">51 \u2013 161 KM<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Moment obrotowy:<\/td>\n<td style=\"text-align: center;\">7117 \u2013 19 950 funt\u00f3w-cali.<br \/>\n(803 \u2013 2252 Nm.)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Proporcje:<\/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;\">Typ przek\u0142adni:<\/td>\n<td style=\"text-align: center;\">Ukos<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Typ uszczelnienia:<\/td>\n<td style=\"text-align: center;\">Potr\u00f3jna warga spr\u0119\u017cynowa<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Typ \u0142o\u017cyska:<\/td>\n<td style=\"text-align: center;\">Wa\u0142ek sto\u017ckowy<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Pojemno\u015b\u0107 oleju:<\/td>\n<td style=\"text-align: center;\">60 uncji.<br \/>\n(1,8 l)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Waga:<\/td>\n<td style=\"text-align: center;\">109 funt\u00f3w.<br \/>\n(49,9 kg)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Zastosowania:<\/td>\n<td style=\"text-align: center;\">Kosiarki wyka\u0144czaj\u0105ce<br \/>\nNo\u017ce obrotowe<br \/>\nNo\u017cyce obrotowe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>RC-120 Rotary Cutter Gearbox Dimensions<\/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=\"Wymiary przek\u0142adni no\u017ca obrotowego\" 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\">Model<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Maksymalna waga jednostki<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">CL do Thru Cap A<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">CL do ko\u0142nierza B<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Ko\u0142nierz do piasty pilota C<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">\u015arednica otworu prowadz\u0105cego piasty H<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">\u015arednica ko\u0142nierza D1<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Wz\u00f3r otwor\u00f3w na \u015bruby E1<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Otwory monta\u017cowe F1<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Rozmiar kwadratu ko\u0142nierza D2<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Wz\u00f3r otwor\u00f3w na \u015bruby E2<\/th>\n<th style=\"text-align: center;\" colspan=\"2\">Otwory monta\u017cowe F2<\/th>\n<\/tr>\n<tr>\n<th style=\"text-align: center;\">funt<\/th>\n<th style=\"text-align: center;\">kg<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/th>\n<th style=\"text-align: center;\">W<\/th>\n<th style=\"text-align: center;\">mm<\/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>Key Features of the RC-120 Rotary Cutter Gearbox<\/h2>\n<p>1. Terrain Adaptability and Floating Design<br \/>\nThe floating gearbox mounting design allows the cutter deck and blade assembly to ride with ground undulations automatically, preventing the cutting blades from striking buried rocks, hardwood stumps, or irrigation fittings at full operating speed. This adaptive height adjustment is particularly critical when mowing on uneven pasture terrain, sloped embankments, or waterway banks where the ground surface can change rapidly across the working width. The result is reduced shock transmission to the gearbox housing and significantly extended gear and bearing service life.<\/p>\n<p>2. Accessible Field Maintenance Design<br \/>\nRotary cutter gearbox oil maintenance is simplified by externally accessible oil fill ports and a bottom-mounted drain valve that allow complete oil changes without removing the gearbox from the implement. Operators can check the rotary cutter gearbox oil level and add gear oil directly from ground level. The pressure relief plug prevents internal pressure buildup during operation, protecting seals from premature blow-out. This field-serviceable design reduces scheduled maintenance downtime and supports proper rotary cutter gearbox oil change intervals even during peak seasonal workloads.<\/p>\n<p>3. Tractor PTO Drive Compatibility<br \/>\nSkrzynia bieg\u00f3w RC-120 \u0142\u0105czy si\u0119 bezpo\u015brednio z wa\u0142em odbioru mocy (WOM) ci\u0105gnika i w pe\u0142ni obs\u0142uguje zar\u00f3wno standardowe pr\u0119dko\u015bci wej\u015bciowe 540 obr.\/min, jak i 1000 obr.\/min. Wielowypustowy wa\u0142 wej\u015bciowy obs\u0142uguje szybkoz\u0142\u0105cza, co umo\u017cliwia szybki monta\u017c i demonta\u017c w terenie bez u\u017cycia specjalistycznych narz\u0119dzi. Szeroka kompatybilno\u015b\u0107 z WOM pozwala na wsp\u00f3\u0142prac\u0119 skrzyni bieg\u00f3w z kompaktowymi ci\u0105gnikami u\u017cytkowymi, ci\u0105gnikami do upraw rz\u0119dowych \u015bredniej klasy oraz du\u017cymi maszynami rolniczymi z nap\u0119dem na cztery ko\u0142a bez konieczno\u015bci stosowania wa\u0142\u00f3w przej\u015bciowych lub niestandardowych modyfikacji.<\/p>\n<p>4. Industrial-Grade Durability and Sealing<br \/>\nThe housing is cast from high-strength ductile iron with a Red Oxide primer coating that resists corrosion from mud, water, gravel, and the acidic plant sap encountered in daily agricultural use. Triple-lip spring-loaded oil seals encircle each rotating shaft, creating a three-stage barrier against both gear oil leakage and field contamination ingress. This heavy-duty sealed construction is purpose-built to withstand the abrasive and moisture-laden environment of rotary cutting operations and to protect the tapered roller bearing assemblies from premature failure caused by contaminated lubrication.<\/p>\n<p>5. Multiple Speed Ratios for Any Crop or Terrain<br \/>\nWith five selectable rotary cutter gearbox ratios spanning from 1.21:1 to 1:1.92, this unit covers the complete range of rotary mower gearbox output requirements. Operators managing light grass on flat pasture can select a higher blade speed ratio for a cleaner cut, while those working through dense wetland vegetation or steep slope terrain can shift to a lower-speed, higher-torque ratio to maintain stable cutting power without overloading the tractor. This flexibility makes the RC-120 an outstanding finishing mower gearbox as well as a heavy-duty rotary slasher gearbox depending on the ratio selected.<\/p>\n<p>6. Zabezpieczenie przed przeci\u0105\u017ceniem<br \/>\nModel RC-120 zosta\u0142 zaprojektowany do wsp\u00f3\u0142pracy z opcjonalnym sprz\u0119g\u0142em jednokierunkowym lub zabezpieczeniem przed przeci\u0105\u017ceniem w postaci \u015bruby \u015bcinanej na wale wej\u015bciowym. Gdy ostrza tn\u0105ce uderzaj\u0105 w nieruchom\u0105 przeszkod\u0119 przy pe\u0142nej pr\u0119dko\u015bci, zabezpieczenie przed przeci\u0105\u017ceniem roz\u0142\u0105cza si\u0119 lub \u015bcina, zanim katastrofalny moment obrotowy zostanie przeniesiony przez przek\u0142adni\u0119 sto\u017ckow\u0105, chroni\u0105c zar\u00f3wno elementy wewn\u0119trzne skrzyni bieg\u00f3w, jak i uk\u0142ad nap\u0119dowy WOM ci\u0105gnika przed uszkodzeniem. Ten zintegrowany mechanizm bezpiecze\u0144stwa jest szczeg\u00f3lnie krytyczny podczas pracy w obszarach z zakopanymi gruzami, ukrytymi pniami drzew lub skalistymi wychodniami, gdzie nie mo\u017cna przewidzie\u0107 nag\u0142ego zablokowania si\u0119 ostrzy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7849 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-120-Rotary-Cutter-Gearbox.webp\" alt=\"Przek\u0142adnia no\u017ca obrotowego RC-120\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-120-Rotary-Cutter-Gearbox.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-120-Rotary-Cutter-Gearbox-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Zasada dzia\u0142ania<\/h2>\n<p>Przek\u0142adnia kosiarki obrotowej RC-120 stanowi centralny element przeniesienia nap\u0119du w ka\u017cdej kosiarce obrotowej, kosiarce wykaszarki lub kosiarce obrotowej. Jej zasada dzia\u0142ania rozpoczyna si\u0119 od wa\u0142u odbioru mocy (WOM) ci\u0105gnika, kt\u00f3ry przekazuje energi\u0119 obrotow\u0105 z pr\u0119dko\u015bci\u0105 540 lub 1000 obr.\/min, w zale\u017cno\u015bci od standardu WOM i wybranej pr\u0119dko\u015bci. Poziomy moment obrotowy trafia do przek\u0142adni poprzez wa\u0142 wej\u015bciowy z hartowanej stali stopowej, kt\u00f3ry jest podparty z obu stron precyzyjnymi \u0142o\u017cyskami sto\u017ckowymi, kt\u00f3re przejmuj\u0105 zar\u00f3wno obci\u0105\u017cenia promieniowe wynikaj\u0105ce z si\u0142 zaz\u0119bienia, jak i osiowe obci\u0105\u017cenia wzd\u0142u\u017cne generowane podczas zmian kierunku i waha\u0144 obci\u0105\u017cenia.<\/p>\n<p>Wewn\u0105trz obudowy z \u017celiwa sferoidalnego wa\u0142 wej\u015bciowy nap\u0119dza g\u0142\u00f3wne ko\u0142o z\u0119bate sto\u017ckowe. Zestaw k\u00f3\u0142 z\u0119batych sto\u017ckowych stanowi serce przek\u0142adni rolniczej, poniewa\u017c przekierowuje poziomy wa\u0142 wej\u015bciowy WOM o dok\u0142adnie 90 stopni, jednocze\u015bnie reguluj\u0105c stosunek pr\u0119dko\u015bci i momentu obrotowego mi\u0119dzy wej\u015bciem a wyj\u015bciem. Przy wysokich prze\u0142o\u017ceniach, takich jak 1:1,92, wa\u0142 wyj\u015bciowy obraca si\u0119 znacznie szybciej ni\u017c wej\u015bciowy, zapewniaj\u0105c wysok\u0105 pr\u0119dko\u015b\u0107 obrotow\u0105 ko\u0144c\u00f3wek ostrzy, niezb\u0119dn\u0105 do czystego koszenia trawy w przek\u0142adni kosiarki wykaszarki. Przy prze\u0142o\u017ceniach redukcyjnych, takich jak 1,21:1, ko\u0142a z\u0119bate sto\u017ckowe zwi\u0119kszaj\u0105 moment obrotowy wyj\u015bciowy w stosunku do wej\u015bciowego, daj\u0105c przek\u0142adni kosiarki obrotowej przewag\u0119 mechaniczn\u0105 niezb\u0119dn\u0105 do przebijania si\u0119 przez g\u0119ste zaro\u015bla, zdrewnia\u0142e pnie i g\u0119st\u0105, mokr\u0105 ro\u015blinno\u015b\u0107 bez zatrzymywania si\u0119.<\/p>\n<p>The output shaft exits the base of the housing and transmits drive power directly to the blade carrier spindle below the mower deck. As cutting blades encounter varying material densities throughout a pass, such as cutting thick straw, weeds, or woody brush, the bevel gear set continuously maintains the operator-selected speed ratio while the tapered roller bearings absorb the resulting axial and radial load spikes without deflection. The triple-lip spring-loaded oil seals at both shaft exit points retain the 1.8 liters of gear oil that bathes the gear mesh surfaces and lower bearing races in a continuous lubrication film.<\/p>\n<p>The built-in pressure relief plug regulates internal air pressure within the housing as operating temperature rises, preventing seal failure from internal pressure buildup during extended high-load operation. This self-regulating lubrication and pressure management system is why a properly maintained <a href=\"https:\/\/korea-transmission.com\/pl\/rotary-cutter-gearbox\/\"><strong>przek\u0142adnia no\u017ca obrotowego<\/strong><\/a> can sustain continuous operation across a full working day without overheating or oil-related component failure. The carburized alloy steel shafts, precision-forged bevel gears, and heavy ductile iron housing work together as an integrated system to ensure that virtually the entire HP rating of 51 to 161 HP reaches the cutting blades efficiently rather than being lost as heat or vibration within the gearbox itself.<\/p>\n<p>Wielobiegowa konfiguracja kosiarki RC-120 wspomaga r\u00f3wnie\u017c dostosowywanie si\u0119 do terenu, umo\u017cliwiaj\u0105c operatorom wyb\u00f3r prze\u0142o\u017cenia przek\u0142adni obrotowej no\u017ca, dostosowanego do konkretnych warunk\u00f3w terenowych: strome zbocza i tereny podmok\u0142e korzystaj\u0105 z wy\u017cszych prze\u0142o\u017ce\u0144 momentu obrotowego, podczas gdy na p\u0142askich, wyko\u0144czonych polach lepiej sprawdzaj\u0105 si\u0119 szybsze prze\u0142o\u017cenia pr\u0119dko\u015bci ostrzy, kt\u00f3re zapewniaj\u0105 dok\u0142adniejsze ci\u0119cie.<\/p>\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=\"Przek\u0142adnia no\u017ca obrotowego\" width=\"1200\" height=\"900\" \/><\/p>\n<h2>Applications of the RC-120 Gearbox<\/h2>\n<div>\n<h3>Koszenie trawy i kruszenie s\u0142omy<\/h3>\n<p>Drives rotary blades to cut grass, straw, or cover crops such as cornstalks. The adjustable gear ratio controls blade speed, allowing operators to shift between coarse crushing for direct field return and fine crushing for forage feed applications. Suitable for pasture renovation, hay field preparation, and post-harvest cover crop termination across a wide range of grass densities and moisture contents.<\/p>\n<\/div>\n<div>\n<h3>Wycinka krzew\u00f3w i je\u017cyn<\/h3>\n<p>Zapewnia wysoki moment obrotowy niezb\u0119dny do przecinania twardych, zdrewnia\u0142ych zaro\u015bli, je\u017cyn i cienkich m\u0142odych drzewek na obrze\u017cach sad\u00f3w, las\u00f3w i ogrodze\u0144. Wytrzyma\u0142a przek\u0142adnia sto\u017ckowa i masywna obudowa kosiarki RC-120 poch\u0142aniaj\u0105 energi\u0119 uderze\u0144 podczas wielokrotnego uderzania w g\u0119ste, zdrewnia\u0142e \u0142odygi w ci\u0105gu ca\u0142ego dnia pracy, bez zm\u0119czenia z\u0119b\u00f3w ani p\u0119kania obudowy, co sprawia, \u017ce \u200b\u200bta przek\u0142adnia obrotowa jest idealnym wyborem dla profesjonalist\u00f3w do prac karczowniczych.<\/p>\n<\/div>\n<div>\n<h3>Przygotowanie grunt\u00f3w rolnych i piel\u0119gnacja \u015bcierniska<\/h3>\n<p>When combined with disc knives or flail blades, the RC-120 rapidly clears field stubble from rice, wheat, and corn harvests, cutting stalks down to a length suitable for rapid decomposition or subsequent tillage incorporation. Efficient stubble management accelerates field turnaround between harvest and planting, reducing the window before the next crop cycle begins and improving conditions for no-till seeding operations.<\/p>\n<\/div>\n<div>\n<h3>Zarz\u0105dzanie sadem i winnic\u0105<\/h3>\n<p>The low-profile housing makes this finishing mower gearbox ideal for inter-row vegetation control in orchards and vineyards where implement height is restricted. Operators can mulch pruning debris, cover crops, and weed growth beneath tree canopies and between trellis rows without soil inversion, preserving the mycorrhizal soil structure that fruit and wine producers depend on for premium crop quality and consistent vine performance.<\/p>\n<\/div>\n<div>\n<h3>Kontrola ro\u015blinno\u015bci przydro\u017cnej i na pasach drogowych<\/h3>\n<p>Zarz\u0105dy dr\u00f3g, korytarze u\u017cyteczno\u015bci publicznej i programy utrzymania pas\u00f3w drogowych ruroci\u0105g\u00f3w wykorzystuj\u0105 kosiarki rotacyjne do regularnego, sezonowego koszenia. Zakres mocy znamionowej kosiarki RC-120, od 51 do 161 KM, obejmuje wszystko, od kompaktowych kosiarek montowanych na traktorach, po du\u017ce jednostki no\u015bne z wysi\u0119gnikiem, u\u017cywane do szybkiego koszenia autostrad, gdzie sta\u0142y moment obrotowy przy zmiennej grubo\u015bci trawy jest niezb\u0119dny do bezpiecznej i wydajnej pracy.<\/p>\n<\/div>\n<div>\n<h3>Levee, Canal Bank, and Embankment Mowing<\/h3>\n<p>Water management districts and flood control agencies require vegetation management on levee crowns and canal banks where hidden debris and uneven terrain demand a shock-resistant gearbox design. The floating cutter head compatibility of the RC-120 allows the implement to follow embankment contours without blade contact with the soil surface, keeping grass short to prevent rodent burrowing while protecting the gearbox from ground impact damage.<\/p>\n<\/div>\n<div>\n<h3>Pasture and Rangeland Renovation<\/h3>\n<p>Hodowcy i hodowcy byd\u0142a u\u017cywaj\u0105 kosiarek obrotowych z przek\u0142adni\u0105 RC-120, aby ograniczy\u0107 presj\u0119 chwast\u00f3w i wspomaga\u0107 odrost trawy mi\u0119dzy cyklami wypasu. Przycinanie dojrza\u0142ej ro\u015blinno\u015bci pastwiskowej na odpowiedniej wysoko\u015bci stymuluje krzewienie i boczne rozprzestrzenianie si\u0119 po\u017c\u0105danych gatunk\u00f3w paszy, poprawiaj\u0105c d\u0142ugoterminow\u0105 produktywno\u015b\u0107 pastwiska. Zakres mocy przek\u0142adni kosiarek obrotowych 75 KM i 100 KM obejmuje najpopularniejsze rozmiary ci\u0105gnik\u00f3w ranczerskich u\u017cywanych do tego typu prac.<\/p>\n<\/div>\n<div>\n<h3>Light Forestry and Land Clearing<\/h3>\n<p>Firmy zajmuj\u0105ce si\u0119 karczowaniem teren\u00f3w, pracuj\u0105ce na terenach o du\u017cej g\u0119sto\u015bci zadrzewie\u0144, u\u017cywaj\u0105 wytrzyma\u0142ych no\u017cyc obrotowych w po\u0142\u0105czeniu z kosiark\u0105 RC-120 do \u015bcinania i rozdrabniania m\u0142odych drzew o \u015brednicy do kilku cali. Maksymalny moment obrotowy przek\u0142adni wynosz\u0105cy 2252 Nm zapewnia si\u0142\u0119 ostrza niezb\u0119dn\u0105 do wydajnego ci\u0119cia g\u0119stego, zdrewnia\u0142ego materia\u0142u, a obudowa z \u017celiwa sferoidalnego zapewnia sztywno\u015b\u0107 konstrukcyjn\u0105, poch\u0142aniaj\u0105c wielokrotne uderzenia ostrza o du\u017cej energii bez p\u0119kania ani odkszta\u0142cania si\u0119 podczas d\u0142ugotrwa\u0142ego u\u017cytkowania komercyjnego.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7898 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-3.webp\" alt=\"Zastosowania przek\u0142adni no\u017cowych obrotowych\" width=\"1200\" height=\"820\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-3.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-3-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-Applications-3-480x328.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" \/><\/p>\n<h2>RC-120 Rotary Cutter Gearbox Components<\/h2>\n<p>1. Obudowa skrzyni bieg\u00f3w<br \/>\nManufactured from high-strength ductile iron to enclose and protect all internal components. The housing absorbs shock loads generated when blades strike field debris, maintains gear oil containment under all operating angles, and provides the structural backbone to which shafts, bearings, and seals are precisely mounted. A Red Oxide primer coating protects the exterior from corrosion in wet and abrasive field conditions encountered daily in agricultural rotary cutting applications.<\/p>\n<p>2. Ko\u0142a z\u0119bate sto\u017ckowe<br \/>\nThe primary power-transmission elements inside the RC-120 rotary cutter gearbox. Precision forged and machine-cut from hardened alloy steel, the bevel gears redirect PTO shaft rotation through 90 degrees to drive the blade spindle, while simultaneously adjusting the output speed and torque according to the selected gear ratio. Precision straight bevel, spiral bevel, and lapped spiral bevel configurations are all available to match the specific performance and noise requirements of the application.<\/p>\n<p>3. Wa\u0142 wej\u015bciowy<br \/>\nWa\u0142 \u0142\u0105cz\u0105cy si\u0119 bezpo\u015brednio z uk\u0142adem nap\u0119dowym WOM ci\u0105gnika. Wykonany z naw\u0119glanej stali stopowej dla zapewnienia maksymalnej wytrzyma\u0142o\u015bci skr\u0119tnej, odbiera moc obrotow\u0105 z wa\u0142u nap\u0119dowego WOM narz\u0119dzia i przekazuje j\u0105 do zaz\u0119bienia. Standardowe konfiguracje wielowypust\u00f3w, w tym sze\u015bciowypustowe 1-3\/8 cala i sze\u015bciowypustowe 1-3\/4 cala, umo\u017cliwiaj\u0105 wsp\u00f3\u0142prac\u0119 RC-120 z szerok\u0105 gam\u0105 modeli ci\u0105gnik\u00f3w bez konieczno\u015bci adaptacji ani dodatkowego osprz\u0119tu.<\/p>\n<p>4. Wa\u0142 wyj\u015bciowy<br \/>\nPositioned at the base of the housing, the output shaft delivers drive power downward to the blade spindle or cutting assembly. Manufactured from carburized alloy steel and dimensioned to handle the high torque loads and repeated impact stress generated during rotary cutting operations. Shaft extensions are available as splined, keyed, or with pin holes, and multiple shaft extension unit configurations are offered to suit different implement blade attachment designs.<\/p>\n<p>5. \u0141o\u017cyska<br \/>\nISO tapered roller bearings support both the input and output shafts, maintaining precise gear alignment under radial and axial load conditions simultaneously. Bearing quality has a direct effect on gearbox noise level, heat generation, and overall service life. The tapered roller design used in the RC-120 is specifically chosen to handle the combined axial and radial loading environment that bevel gear drives generate during normal rotary cutter operation.<\/p>\n<p>6. Uszczelki olejowe<br \/>\nHigh-quality triple-lip spring-loaded seals are fitted around all rotating shafts, creating a three-barrier system that simultaneously prevents gear oil from escaping the housing and blocks mud, water, and abrasive particles from entering and contaminating the lubrication system. Worn seals are among the most common causes of premature rotary cutter gearbox failure, making this triple-lip design a significant upgrade over single-lip alternatives. Viton seal and cartridge seal options are also available.<\/p>\n<p>7. Pressure Relief Plug and Cast Iron End Caps<br \/>\nA pressure relief plug is fitted as standard to prevent internal air pressure from rising and forcing gear oil past the shaft seals as the gearbox warms up during operation. An optional oil level indicator is also available. Precision cast iron end caps close and seal both sides of the housing, creating a fully enclosed, contamination-resistant assembly that protects bearing races and gear tooth surfaces throughout the full operating life of the unit.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7873 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Parts-1.webp\" alt=\"Cz\u0119\u015bci przek\u0142adni no\u017ca obrotowego\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Parts-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/Rotary-Cutter-Gearbox-Parts-1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>How to Properly Maintain Your Rotary Mower Gearbox<\/h2>\n<p>Check and Maintain Correct Oil Level<br \/>\nBefore each use, verify the rotary cutter gearbox oil level using the sight glass or dipstick. The oil should be at the full mark when the gearbox is in its normal operating position. Running the unit below the correct rotary cutter gearbox oil level causes inadequate bearing and gear lubrication, leading to overheating and accelerated wear. Use gear oil of the grade specified in the service manual and top up with the same oil type already in the unit to prevent compatibility issues.<\/p>\n<p>Follow a Regular Oil Change Schedule<br \/>\nFor new gearboxes, perform the first oil change after approximately 25 hours of operation to flush any metallic particles generated during the break-in period. After that, change the rotary cutter gearbox oil every 100 to 200 hours of use, or at minimum once per season before storing the unit. Contaminated or degraded oil loses its viscosity protection and allows moisture to accelerate internal corrosion, so oil change intervals should never be extended beyond the recommended schedule regardless of how clean the drained oil appears.<\/p>\n<p>Inspect Seals and Gaskets Regularly<br \/>\nExamine the shaft seals and housing gaskets visually each time the gearbox is serviced, looking for oil weeping, caked-on debris indicating a slow leak, or physical cracking of the seal lips. Seal failure allows gear oil to escape and field contamination to enter, dramatically shortening bearing and gear life. Replace any seal showing signs of wear or hardening immediately. Rotary cutter gearbox repair of seal failure is far less expensive when caught early than a full internal rebuild caused by contamination damage.<\/p>\n<p>Clean the Housing After Every Use<br \/>\nRinse or brush accumulated grass, mud, and plant sap from the gearbox housing exterior and shaft seal areas after every mowing session. Vegetation and soil packed around seal areas accelerates lip wear and creates moisture traps that promote rust formation on the housing surface. Keeping the housing clean also makes it easier to spot oil leaks, cracks in the casting, or loose fasteners before they develop into costly failures requiring rotary cutter gearbox rebuild procedures.<\/p>\n<p>Check Mounting Bolts and Hardware Torque<br \/>\nThe high shock load environment of rotary cutting causes mounting hardware to loosen progressively over time. Inspect and re-torque all flange mounting bolts, blade carrier fasteners, and PTO driveshaft connection hardware at the beginning of each season and after any blade strike event severe enough to trigger the overload protection system. Loose mounting bolts allow the gearbox to move under load, introducing misalignment stresses on the input and output shafts that accelerate bearing wear.<\/p>\n<p>Store the Gearbox Correctly During Off-Season<br \/>\nBefore long-term storage, drain and replace the gear oil to remove moisture and metallic particles accumulated during the season. Coat exposed shaft ends with a light film of anti-corrosion grease and store the implement in a dry, covered location. If the gearbox is stored with the output shaft pointing vertically downward, verify that oil is at the correct fill level so the lower bearing race remains submerged. A fresh oil fill going into storage is the single most effective step to prevent internal corrosion during the off-season.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7864 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-3.webp\" alt=\"Przek\u0142adnia no\u017ca obrotowego\" width=\"1200\" height=\"900\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-3.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-3-980x735.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/0_Rotary-Cutter-Gearbox-3-480x360.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" \/><\/p>\n<h2>Common Faults and Solutions<\/h2>\n<div>\n<h3>Excessive Noise or Grinding Sound<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Worn or damaged bevel gears, incorrect gear backlash, or insufficient rotary cutter gearbox oil level.<br \/>\n<strong>Solution:<\/strong>\u00a0Najpierw sprawd\u017a i popraw poziom oleju. Je\u015bli ha\u0142as nadal wyst\u0119puje, zdejmij pokrywy obudowy i sprawd\u017a powierzchnie z\u0119b\u00f3w k\u00f3\u0142 z\u0119batych pod k\u0105tem w\u017cer\u00f3w, odprysk\u00f3w lub wykrusze\u0144. Wyreguluj luz mi\u0119dzyz\u0119bny zgodnie ze specyfikacj\u0105 producenta. Wymie\u0144 zu\u017cyte ko\u0142a z\u0119bate w ramach remontu przek\u0142adni no\u017ca obrotowego, je\u015bli podczas kontroli potwierdzi si\u0119 uszkodzenie z\u0119b\u00f3w.<\/p>\n<\/div>\n<div>\n<h3>Oil Leaking from Shaft Seals<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Worn or hardened shaft seal lips, over-pressurized housing due to blocked pressure relief plug, or over-filled oil level.<br \/>\n<strong>Solution:<\/strong>\u00a0Clean the shaft area and confirm the leak source. Clear or replace the pressure relief plug. Correct the oil level if over-filled. Replace the faulty seal with a new triple-lip seal. This is the most common rotary cutter gearbox repair task and should be addressed before the next use to prevent contamination.<\/p>\n<\/div>\n<div>\n<h3>Przegrzanie podczas pracy<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Low oil level, wrong oil viscosity, blocked housing ventilation, or sustained overload operation.<br \/>\n<strong>Solution:<\/strong>\u00a0Check oil level and oil grade. Verify the pressure relief plug is functional and not blocked with debris. If the gearbox is consistently overloaded, select a lower gear ratio or reduce the cutting width. Overheating accelerates seal degradation and leads to bearing failure if left uncorrected over multiple operating sessions.<\/p>\n<\/div>\n<div>\n<h3>Shaft End Play or Vibration<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Worn tapered roller bearings, loose bearing preload adjustment, or a bent shaft from a severe blade strike.<br \/>\n<strong>Solution:<\/strong>\u00a0Zmierz luz osi wa\u0142u zgodnie z tolerancj\u0105 producenta. Wyreguluj napi\u0119cie wst\u0119pne \u0142o\u017cyska, je\u015bli mie\u015bci si\u0119 w zakresie regulacji. Wymie\u0144 \u0142o\u017cyska, kt\u00f3re wykazuj\u0105 w\u017cery, przebarwienia lub nier\u00f3wno\u015bci na powierzchniach tocznych. Sprawd\u017a prostoliniowo\u015b\u0107 wa\u0142u. Nadmierne wibracje przenosz\u0105 szkodliwe si\u0142y na uk\u0142ad nap\u0119dowy WOM ci\u0105gnika, je\u015bli nie zostan\u0105 szybko skorygowane.<\/p>\n<\/div>\n<div>\n<h3>Gearbox Loses Drive (No Blade Rotation)<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Sheared shear bolt on the overload clutch hub, or a severely worn or broken bevel gear.<br \/>\n<strong>Solution:<\/strong>\u00a0First check the shear bolt on the input shaft overload hub and replace it with the correct grade and diameter bolt if sheared. Do not substitute a higher-strength bolt, as this removes overload protection from the gearbox. If the shear bolt is intact, inspect internally for broken gear teeth and proceed with rotary cutter gearbox repair or full replacement as indicated.<\/p>\n<\/div>\n<div>\n<h3>Milky or Discolored Gear Oil<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Water contamination through a failed seal, housing crack, or condensation from repeated cold starts.<br \/>\n<strong>Solution:<\/strong>\u00a0Drain the contaminated oil completely, flush with clean gear oil, and refill with fresh oil of the correct specification. Identify and replace the failed seal or repair the housing crack before returning the gearbox to service. Water-contaminated gear oil destroys the lubricating film on gear teeth and causes rapid corrosive pitting of bearing races.<\/p>\n<\/div>\n<div>\n<h3>Cracked or Fractured Gearbox Housing<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Severe blade strike against a large embedded obstruction, or operation beyond the rated HP and torque limits.<br \/>\n<strong>Solution:<\/strong>\u00a0A cracked housing cannot be safely repaired by field welding without complete teardown and internal inspection. If the crack is minor and not through an oil-retaining wall, qualified cast iron welding and pressure testing may restore the housing. In most cases, replacement with a new RC-120 rotary cutter gearbox is the safest and most economical long-term solution.<\/p>\n<\/div>\n<div>\n<h3>Loose or Slipping PTO Shaft Connection<\/h3>\n<p><strong>Cause:<\/strong>\u00a0Worn splines on the input shaft or PTO yoke, or incorrect PTO shaft length causing the yoke to slip off the spline under load.<br \/>\n<strong>Solution:<\/strong>\u00a0Inspect spline wear on both the gearbox input shaft and the PTO driveline yoke. Replace worn spline components. Verify the PTO shaft is the correct length for the implement-tractor combination and that the safety collar engages fully on the gearbox input shaft before applying power in the field.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7925 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-61-Rotary-Cutter-Gearbox-2.webp\" alt=\"Przek\u0142adnia no\u017ca obrotowego RC-61\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-61-Rotary-Cutter-Gearbox-2.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-61-Rotary-Cutter-Gearbox-2-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-61-Rotary-Cutter-Gearbox-2-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" \/><\/p>\n<h2>PTO Drive Shaft and Rotary Cutter Gearbox<\/h2>\n<p>Przek\u0142adnia no\u017ca obrotowego i wa\u0142ek odbioru mocy (WOM) tworz\u0105 kompletny uk\u0142ad mechaniczny przekazuj\u0105cy moc mi\u0119dzy silnikiem ci\u0105gnika a ostrzami tn\u0105cymi pod platform\u0105. Zrozumienie tej zale\u017cno\u015bci jest kluczowe dla ka\u017cdego, kto wybiera, instaluje lub serwisuje te komponenty, niezale\u017cnie od tego, czy kupuje przek\u0142adni\u0119 no\u017ca obrotowego o mocy 40 KM do kompaktowego ci\u0105gnika, czy przek\u0142adni\u0119 no\u017ca obrotowego o mocy 100 KM do du\u017cego, komercyjnego gospodarstwa kosz\u0105cego.<\/p>\n<p>Wa\u0142 odbioru mocy (WOM) to teleskopowy wa\u0142 nap\u0119dowy z przegubami krzy\u017cowymi na obu ko\u0144cach, kt\u00f3ry \u0142\u0105czy tylny ko\u0142nierz wyj\u015bciowy WOM ci\u0105gnika z wa\u0142em wej\u015bciowym skrzyni bieg\u00f3w. Normy WOM ci\u0105gnik\u00f3w okre\u015blaj\u0105, \u017ce wa\u0142 musi obraca\u0107 si\u0119 z pr\u0119dko\u015bci\u0105 540 obr.\/min (zwykle w ci\u0105gnikach o mocy poni\u017cej 50 KM) lub 1000 obr.\/min (cz\u0119\u015bciej w ci\u0105gnikach o wi\u0119kszej mocy), a kierunek obrot\u00f3w wa\u0142u musi by\u0107 zgodny z kierunkiem okre\u015blonym przez producenta ci\u0105gnika. Wa\u0142 odbioru mocy jest zabezpieczony plastikow\u0105 os\u0142on\u0105 zabezpieczaj\u0105c\u0105, kt\u00f3ra zapobiega kontaktowi z zespo\u0142em obrotowym podczas pracy. Zar\u00f3wno os\u0142ona, jak i sam wa\u0142 musz\u0105 by\u0107 prawid\u0142owo konserwowane i dopasowane do wymaganego momentu obrotowego narz\u0119dzia.<\/p>\n<p>Przek\u0142adnia no\u017ca obrotowego \u0142\u0105czy si\u0119 bezpo\u015brednio z wa\u0142u odbioru mocy (WOM) ci\u0105gnika, prostopadle do belki no\u015bnej no\u017ca, w osi pionowej. Przek\u0142adnia no\u017ca obrotowego i wa\u0142 WOM przekazuj\u0105 moc z wa\u0142u odbioru mocy ci\u0105gnika, aby wprawi\u0107 w ruch ci\u0119\u017ckie no\u017ce kosiarki pod agregatem. Przek\u0142adnia radzi sobie z silnymi obci\u0105\u017ceniami udarowymi, gdy ci\u0119\u017ckie, odchylane no\u017ce uderzaj\u0105 w g\u0119ste zaro\u015bla, kamienie lub ma\u0142e drzewa podczas pracy. Te uderzenia generuj\u0105 nag\u0142e skoki momentu obrotowego, kt\u00f3re mog\u0105 by\u0107 wielokrotnie wi\u0119ksze ni\u017c \u015bredni moment obrotowy roboczy, a obudowa przek\u0142adni, geometria z\u0119b\u00f3w przek\u0142adni i dob\u00f3r \u0142o\u017cysk zosta\u0142y zaprojektowane specjalnie w celu poch\u0142aniania i rozpraszania tych szczytowych moment\u00f3w bez awarii.<\/p>\n<p>D\u0142ugo\u015b\u0107 wa\u0142u odbioru mocy (WOM) ma kluczowe znaczenie dla bezpiecznego i wydajnego przenoszenia mocy. Je\u015bli wa\u0142 jest zbyt kr\u00f3tki, sekcje teleskopowe mog\u0105 si\u0119 ca\u0142kowicie z\u0142o\u017cy\u0107 podczas podnoszenia lub opuszczania trzypunktowego uk\u0142adu zawieszenia narz\u0119dzia, powoduj\u0105c roz\u0142\u0105czenie lub p\u0119kni\u0119cie wa\u0142u WOM. Je\u015bli jest zbyt d\u0142ugi, wa\u0142 mo\u017ce opa\u015b\u0107 do dolnej kraw\u0119dzi w pozycji teleskopowej, uniemo\u017cliwiaj\u0105c pe\u0142ne podniesienie zaczepu. Prawid\u0142ow\u0105 d\u0142ugo\u015b\u0107 wa\u0142u okre\u015bla si\u0119, mierz\u0105c wymiary po z\u0142o\u017ceniu i roz\u0142o\u017ceniu dla konkretnego zestawu ci\u0105gnik-narz\u0119dzie oraz potwierdzaj\u0105c, \u017ce w obu po\u0142o\u017ceniach wyst\u0119puje odpowiednie nak\u0142adanie. Wi\u0119kszo\u015b\u0107 producent\u00f3w narz\u0119dzi okre\u015bla minimalny nak\u0142ad wa\u0142u na co najmniej jedn\u0105 trzeci\u0105 d\u0142ugo\u015bci po z\u0142o\u017ceniu.<\/p>\n<p>For optimum gearbox performance, the PTO driveshaft operating angle should be kept as small as possible during field operation. Excessive universal joint operating angles create velocity fluctuations in the driveshaft rotation that are transmitted as vibration and torque pulsation into the gearbox input shaft. These pulsations accelerate bearing wear, promote gear tooth surface fatigue, and increase noise levels. Setting up the implement so the driveshaft runs as straight as practicable between the PTO output and the gearbox input is one of the most effective and lowest-cost ways to extend gearbox service life considerably.<\/p>\n<p>Zabezpieczenie przed przeci\u0105\u017ceniem pomi\u0119dzy wa\u0142kiem odbioru mocy a wa\u0142em wej\u015bciowym skrzyni bieg\u00f3w zapewnia piasta ze \u015brub\u0105 \u015bcinan\u0105 zamontowana na wale wej\u015bciowym skrzyni bieg\u00f3w lub sprz\u0119g\u0142o po\u015blizgowe wbudowane w zesp\u00f3\u0142 wa\u0142u nap\u0119dowego WOM. W przypadku \u015bruby \u015bcinanej zastosowano stalow\u0105 \u015brub\u0119 o niskiej wytrzyma\u0142o\u015bci, kt\u00f3ra p\u0119ka przy okre\u015blonym momencie obrotowym, natychmiast zatrzymuj\u0105c transmisj\u0119 mocy. Sprz\u0119g\u0142o po\u015blizgowe pozwala nap\u0119dowi na po\u015blizg przy ustalonym limicie momentu obrotowego, zapewniaj\u0105c ci\u0105g\u0142\u0105 ochron\u0119 bez konieczno\u015bci wymiany \u015bruby po ka\u017cdym zdarzeniu. Firma CMN Transmission zaleca zawsze prac\u0119 z odpowiednim zabezpieczeniem przed przeci\u0105\u017ceniem i nigdy nie pomija\u0107 \u015bruby \u015bcinanej poprzez zast\u0105pienie jej mocniejsz\u0105 \u015brub\u0105, poniewa\u017c przenosi to punkt awarii z urz\u0105dzenia ofiarnego na wewn\u0119trzne elementy skrzyni bieg\u00f3w lub wa\u0142ek odbioru mocy ci\u0105gnika.<\/p>\n<p>Dopasowanie momentu obrotowego wa\u0142u odbioru mocy (WOM) do maksymalnego momentu obrotowego przek\u0142adni to ostateczna, krytyczna kontrola specyfikacji. Wybieraj\u0105c cz\u0119\u015bci przek\u0142adni kosiarki obrotowej, w tym zamienny wa\u0142 WOM, nale\u017cy sprawdzi\u0107, czy podany moment obrotowy wa\u0142u jest r\u00f3wny lub wy\u017cszy od maksymalnego momentu obrotowego kosiarki RC-120 przy wybranym prze\u0142o\u017ceniu. Stosowanie wa\u0142u WOM o zbyt ma\u0142ym rozmiarze w przek\u0142adni kosiarki obrotowej o mocy 60 KM lub 75 KM jest cz\u0119st\u0105 przyczyn\u0105 p\u0119kni\u0119\u0107 wa\u0142u, nara\u017caj\u0105c zar\u00f3wno sprz\u0119t, jak i operator\u00f3w na ryzyko podczas pracy w terenie.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7842 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-30-Rotary-Cutter-Gearbox.webp\" alt=\"Przek\u0142adnia no\u017ca obrotowego RC-30\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-30-Rotary-Cutter-Gearbox.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/08\/RC-30-Rotary-Cutter-Gearbox-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/td>\n<td style=\"width: 50%;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6108 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Bush-Hog-Rotary-Cutter-1.webp\" alt=\"Wa\u0142 odbioru mocy do kosiarki obrotowej Bush Hog\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Bush-Hog-Rotary-Cutter-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/03\/0_PTO-Shaft-for-Bush-Hog-Rotary-Cutter-1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dlaczego warto wybra\u0107 przek\u0142adnie no\u017cowe obrotowe CMN Transmission?<\/h2>\n<p>Korea CMN Transmission Co., Ltd. was established in 2000 and is headquartered in Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, South Korea. With more than 100 factory employees dedicated to the research, development, manufacturing, sales, and after-sales service of agricultural power transmission equipment, CMN Transmission has spent over two decades building a reputation as one of the most trusted rotary cutter gearbox manufacturers in the global agricultural machinery industry. With an annual production volume exceeding 500,000 units, CMN consistently delivers reliable performance and long-term durability for OEM and aftermarket customers across every major agricultural market worldwide.<\/p>\n<p>Asortyment produkt\u00f3w CMN obejmuje pe\u0142ne spektrum zastosowa\u0144 przek\u0142adni rolniczych: przek\u0142adnie sieczkarni obrotowych, przek\u0142adnie glebogryzarek obrotowych, przek\u0142adnie woz\u00f3w paszowych, przek\u0142adnie kosiarek obrotowych, przek\u0142adnie rozsiewaczy nawoz\u00f3w, przek\u0142adnie kosiarek bijakowych, przek\u0142adnie koparek do do\u0142k\u00f3w, przek\u0142adnie pras zwijaj\u0105cych, przek\u0142adnie pras kostkuj\u0105cych, przek\u0142adnie kosiarek dyskowych, przek\u0142adnie nawadniaj\u0105ce z centralnym punktem obrotu, przek\u0142adnie nap\u0119d\u00f3w hydraulicznych, przek\u0142adnie maszyn do kiszonki, przek\u0142adnie opryskiwaczy sadowniczych, przek\u0142adnie zgrabiarek obrotowych, przek\u0142adnie kombajn\u00f3w zbo\u017cowych, przek\u0142adnie do magazynowania i transportu ziarna, przek\u0142adnie przystawek do zbioru kukurydzy, przek\u0142adnie listew tn\u0105cych, przek\u0142adnie do karmienia drobiu oraz niestandardowe przek\u0142adnie rolnicze, obejmuj\u0105ce prawie tysi\u0105c specyfikacji. Produkty te s\u0105 stosowane w maszynach do zbioru zb\u00f3\u017c, maszynach paszowych, kosiarkach, prasach, zgrabiarkach, glebogryzarkach obrotowych, rozsiewaczach nawoz\u00f3w, opryskiwaczach, wozach paszowych, maszynach do kiszonki i kombajnach zbo\u017cowych na ca\u0142ym \u015bwiecie.<\/p>\n<p>CMN Transmission holds CE, ISO 9001 Quality Management, Environmental Management, and Occupational Health and Safety certifications, giving procurement managers and equipment dealers the compliance documentation required for regulated markets without additional testing burden. Products are exported to the United States, Canada, Mexico, Brazil, Argentina, France, Germany, Italy, Spain, the United Kingdom, Russia, China, India, Thailand, Vietnam, Turkey, Australia, New Zealand, and more than 40 additional destinations worldwide, supported by a logistics network with extensive experience navigating agricultural equipment customs classifications and phytosanitary requirements in every major export market.<\/p>\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=\"Producenci przek\u0142adni do no\u017cy obrotowych\" width=\"1200\" height=\"820\" \/><\/p>\n<h2>Cz\u0119sto zadawane pytania<\/h2>\n<p><strong>Q: What oil type and how much oil does the RC-120 rotary cutter gearbox require?<\/strong><br \/>\nA: RC-120 ma pojemno\u015b\u0107 oleju przek\u0142adniowego 1,8 litra (60 uncji). Wi\u0119kszo\u015b\u0107 przek\u0142adni w no\u017cach obrotowych wykorzystuje olej przek\u0142adniowy SAE 90 lub SAE 140, cho\u0107 niekt\u00f3rzy producenci zalecaj\u0105 olej wielosezonowy, taki jak 80W-90. Zawsze sprawdzaj specyfikacj\u0119 producenta przek\u0142adni i unikaj mieszania r\u00f3\u017cnych rodzaj\u00f3w oleju. Utrzymywanie prawid\u0142owego poziomu oleju w przek\u0142adni no\u017ca obrotowego jest niezb\u0119dne, aby zapobiec przegrzaniu i przedwczesnemu zu\u017cyciu. Sprawd\u017a poziom oleju przed ka\u017cdym u\u017cyciem i wymie\u0144 go po pierwszych 25 godzinach pracy nowego urz\u0105dzenia, a nast\u0119pnie co 100\u2013200 godzin pracy.<\/p>\n<p><strong>Q: Is the RC-120 a direct replacement for the Omni RC-120 gearbox?<\/strong><br \/>\nA: Yes. The CMN Transmission RC-120 Rotary Cutter Gearbox is designed as a direct bolt-on replacement for the original Omni RC-120 gearbox. It matches the OEM mounting bolt pattern, flange dimensions, input shaft spline specification, and output shaft dimensions. No modification, drilling, or custom adapters are required for installation. This replacement rotary cutter gearbox meets or exceeds OEM torque and HP ratings, so your implement performs at the same level as it did with the original gearbox.<\/p>\n<p><strong>Q: What does the rotary cutter gearbox ratio mean and which ratio should I choose?<\/strong><br \/>\nA: Prze\u0142o\u017cenie przek\u0142adni kosiarki obrotowej opisuje zale\u017cno\u015b\u0107 mi\u0119dzy pr\u0119dko\u015bci\u0105 obrotow\u0105 wa\u0142u wej\u015bciowego (od WOM ci\u0105gnika) a pr\u0119dko\u015bci\u0105 obrotow\u0105 wa\u0142u wyj\u015bciowego (nap\u0119dzaj\u0105cego ostrze). Prze\u0142o\u017cenie 1:1 oznacza, \u017ce \u200b\u200bwa\u0142 wyj\u015bciowy obraca si\u0119 z t\u0105 sam\u0105 pr\u0119dko\u015bci\u0105 co wa\u0142 wej\u015bciowy. Prze\u0142o\u017cenie 1:1,92 oznacza, \u017ce \u200b\u200bwa\u0142 wyj\u015bciowy obraca si\u0119 1,92 razy szybciej ni\u017c wa\u0142 wej\u015bciowy, co zapewnia wy\u017csz\u0105 pr\u0119dko\u015b\u0107 obrotow\u0105 ko\u0144c\u00f3wek ostrza, odpowiedni\u0105 do zastosowa\u0144 w kosiarkach do trawy i wykaszarek. Prze\u0142o\u017cenie 1,21:1 zapewnia redukcj\u0119 pr\u0119dko\u015bci i wzrost momentu obrotowego, co jest korzystne w przypadku g\u0119stych zaro\u015bli, mokrej ro\u015blinno\u015bci lub stromego terenu. Wybierz prze\u0142o\u017cenie, kt\u00f3re najlepiej pasuje do pr\u0119dko\u015bci WOM ci\u0105gnika i docelowego zastosowania.<\/p>\n<p><strong>P: Jak mog\u0119 sprawdzi\u0107, czy przek\u0142adnia mojego no\u017ca obrotowego wymaga regeneracji czy wymiany?<\/strong><br \/>\nA: Signs that a rotary cutter gearbox rebuild or replacement is needed include persistent grinding or growling noise that continues after correcting the oil level, visible gear oil leaks from shaft seal areas despite new seals, excessive output shaft end play beyond manufacturer tolerance, a bent or cracked housing, or complete loss of drive after replacing the shear bolt. If the internal gears show pitting, spalling, or chipped teeth on inspection, a full rotary cutter gearbox rebuild is required. In many cases, when the housing is cracked or heavily worn, purchasing a replacement RC-120 gearbox from CMN Transmission is more economical than a full internal rebuild.<\/p>\n<p><strong>Q: Can I use this gearbox on a 40 HP, 60 HP, 75 HP, or 100 HP tractor?<\/strong><br \/>\nA: The RC-120 is rated for 51 to 161 HP, so it is appropriate for 60 HP, 75 HP, and 100 HP rotary cutter gearbox applications within that range. It is above the rated range for a 40 HP rotary cutter gearbox application, where a smaller RC-series model would be more suitable. Operating a gearbox below its rated HP does not cause damage, but selecting the correct HP rating ensures the gear tooth size, bearing capacity, and housing strength are properly matched to the load being transmitted. Contact CMN Transmission to confirm the correct model for your specific tractor HP and implement type before ordering.<\/p>\n<p><strong>Q: What causes rotary cutter gearbox oil leaks and how do I fix them?<\/strong><br \/>\nA: Rotary cutter gearbox oil leaks most commonly originate from worn or hardened shaft oil seals, a blocked pressure relief plug causing internal overpressure, an over-filled oil level, or hairline cracks in the housing. To fix a shaft seal leak: drain the oil, remove the seal, clean the shaft and bore, press in a new triple-lip seal, refill to the correct oil level, and check that the pressure relief plug moves freely. For a cracked housing, consult a casting repair specialist or replace the gearbox. Always correct a seal leak before the next use to prevent contamination from entering and causing accelerated internal wear.<\/p>\n<p><strong>Q: What rotary cutter gearbox parts are available for the RC-120?<\/strong><br \/>\nA: CMN Transmission offers a range of rotary cutter gearbox parts for the RC-120, including replacement seal kits (triple-lip shaft seals), tapered roller bearing sets, bevel gear pairs, input and output shaft assemblies, pressure relief plugs, and end cap gaskets. Blade hub kits and seal protector hubs are also available as optional accessories. When ordering replacement parts, always specify the model number and ratio of your gearbox to ensure compatibility. Keeping a basic seal kit and bearing set on hand reduces downtime when scheduled maintenance reveals worn components during the operating season.<\/p>\n<p><strong>Q: How long does delivery take and does CMN ship internationally?<\/strong><br \/>\nA: CMN Transmission ships the RC-120 Rotary Cutter Gearbox to over 60 countries worldwide from its manufacturing facility in Ansan, South Korea. Delivery times vary by destination: express air freight typically delivers within 7 to 14 business days to major markets including the United States, Canada, the United Kingdom, Germany, France, Australia, and Brazil. Sea freight options are available for bulk orders at lower per-unit cost with longer lead times. CMN handles all export documentation, and units are supplied with CE certification. Contact the sales team for a freight quotation to your specific location and to confirm current stock availability.<\/p>\n<p><strong>Q: What is the difference between a rotary mower gearbox and a rotary cutter gearbox?<\/strong><br \/>\nA: The terms rotary mower gearbox and rotary cutter gearbox are often used interchangeably in the agricultural industry, as both describe a bevel gear power transmission unit that drives rotating cutting blades on a PTO-powered tractor implement. The distinction, when it exists, is typically one of application weight: a rotary mower gearbox often refers to a unit used on lighter finishing mowers for turf and pasture maintenance, while a rotary cutter gearbox or rotary slasher gearbox implies a heavier-duty unit designed for brush clearing, roadside slashing, and rougher cutting conditions. The RC-120 covers both categories with its 51 to 161 HP rating and five available gear ratios.<\/p>\n<p><strong>Q: How do I find the correct rotary cutter gearbox for sale that fits my implement?<\/strong><br \/>\nA: To identify the correct rotary cutter gearbox for your implement, you need: (1) the mounting flange bolt hole pattern diameter and number of bolts, (2) the hub pilot diameter, (3) the input shaft spline count and diameter (typically 1-3\/8 inch or 1-3\/4 inch 6-spline for agricultural PTO applications), (4) the output shaft dimensions and attachment interface, and (5) the HP or torque rating required by your implement. If your implement is an Omni RC-120 or equivalent, the CMN RC-120 is the confirmed direct replacement. For other models, share your implement make, model, and the dimensions listed above with the CMN technical team, who can confirm compatibility before you complete your order.<\/p>\n<p><strong>Q: Can I use synthetic gear oil in my rotary cutter gearbox?<\/strong><br \/>\nA: Yes, synthetic gear oil can be used in the RC-120 if it meets the API GL-4 or GL-5 specification and the viscosity grade recommended for your operating temperature range. Synthetic oils generally provide better thermal stability at high operating temperatures, improved low-temperature flow for cold-start conditions, and longer drain intervals than conventional mineral gear oils. However, never mix synthetic and mineral gear oils in the same gearbox. If switching from mineral to synthetic, drain the old oil completely and flush with a small quantity of the new synthetic before filling to the full mark. Check the rotary cutter gearbox oil level after the first few hours of operation on the new fill to confirm correct level.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7961 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-120-Rotary-Cutter-Gearbox-2.webp\" alt=\"Przek\u0142adnia no\u017ca obrotowego RC-120\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-120-Rotary-Cutter-Gearbox-2.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-120-Rotary-Cutter-Gearbox-2-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/RC-120-Rotary-Cutter-Gearbox-2-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" \/><\/p>\n<h2>Opinie klient\u00f3w<\/h2>\n<p><strong>Travis Holloway, Pasture Management, United States<\/strong><br \/>\n\u201eU\u017cywam kosiarki John Deere o mocy 90 KM na oko\u0142o 200 akrach mieszanych pastwisk i brzeg\u00f3w strumieni, a oryginalna skrzynia bieg\u00f3w w mojej kosiarce Rhino zepsu\u0142a si\u0119 po trzech sezonach intensywnego u\u017cytkowania. Znalaz\u0142em ten zamiennik RC-120 w CMN i szczerze m\u00f3wi\u0105c, nie by\u0142em pewien, czego oczekiwa\u0107 od urz\u0105dzenia z rynku wt\u00f3rnego w tej cenie. C\u00f3\u017c, zamontowa\u0142em go w oko\u0142o godzin\u0119, u\u017cywaj\u0105c tego samego rozstawu \u015brub, bez wiercenia, bez adapter\u00f3w, nic. U\u017cywam go intensywnie od sze\u015bciu miesi\u0119cy, przemierzaj\u0105c g\u0119st\u0105 traw\u0119 bermudzk\u0105 i zaro\u015bni\u0119te brzegi strumieni, i nie ma z nim \u017cadnych problem\u00f3w. Olej jest czysty, nie ma wyciek\u00f3w, nie s\u0142ycha\u0107 \u017cadnych dziwnych d\u017awi\u0119k\u00f3w. Jestem pod wra\u017ceniem. Zam\u00f3wi\u0119 ponownie, kiedy nadejdzie czas.\u201d<\/p>\n<p><strong>Derek Fontaine, Vegetation Management, Canada<\/strong><br \/>\n\u201eOferujemy koszenie poboczy dr\u00f3g w Ontario i skrzynie bieg\u00f3w zu\u017cywaj\u0105 si\u0119 szybciej ni\u017c wi\u0119kszo\u015b\u0107. Wypr\u00f3bowa\u0142em kosiark\u0119 RC-120 firmy CMN oko\u0142o rok temu po rekomendacji od innego wykonawcy. Dwie z naszych maszyn pracuj\u0105 ju\u017c na zamiennikach CMN od oko\u0142o 350 godzin ka\u017cda. Uszczelnienia s\u0105 nadal szczelne, nie ma wyciek\u00f3w oleju, a obie kosiarki pracuj\u0105 z prze\u0142o\u017ceniem 1:1,46, kt\u00f3re idealnie pasuje do naszego 100-konnego Kuboty do mieszanej trawy i lekkich zaro\u015bli na poboczach autostrad. Opakowanie z Korei r\u00f3wnie\u017c by\u0142o bardzo dobrze wykonane; nie uleg\u0142o uszkodzeniu podczas transportu, co stanowi\u0142o problem w przypadku innych dostawc\u00f3w. Obs\u0142uga szybko odpowiada\u0142a na moje pytania dotycz\u0105ce doboru prze\u0142o\u017cenia. Naprawd\u0119 solidny produkt i dostawca.\u201d<\/p>\n<p><strong>Rodrigo Alves Ferreira, Sugar Cane Operations, Brazil<\/strong><br \/>\n\u201eKupi\u0142em go do mojej plantacji trzciny cukrowej w stanie Sao Paulo. U\u017cywamy go z ci\u0105gnikiem o mocy 75 KM do mulczowania resztek trzciny po zbiorach i dobrze sobie radzi z obci\u0105\u017ceniem. Prze\u0142o\u017cenie 1:1,21 zapewnia nam potrzebny moment obrotowy bez obci\u0105\u017cania ci\u0105gnika. Wysy\u0142ka do Brazylii zaj\u0119\u0142a oko\u0142o 3 tygodni, co jest normalne w przypadku towar\u00f3w importowanych tutaj, a odprawa celna nie stanowi\u0142a problemu. Jedynym powodem, dla kt\u00f3rego nie da\u0142em pi\u0119ciu gwiazdek, by\u0142o to, \u017ce musia\u0142em zaopatrzy\u0107 si\u0119 w olej przek\u0142adniowy lokalnie, poniewa\u017c nie by\u0142 on do\u0142\u0105czony do zestawu, co jest normalne, ale warto o tym wspomnie\u0107. Wszystko inne w tym zakupie by\u0142o \u015bwietne i kupi\u0142bym go ponownie bez wahania. Zesp\u00f3\u0142 CMN bardzo jasno i szybko odpowiedzia\u0142 na moje pytania przedsprzeda\u017cowe dotycz\u0105ce wymiar\u00f3w wa\u0142u.\u201d<\/p>\n<p><strong>Klaus-Dieter Brandt, Farm Machinery, Germany<\/strong><br \/>\n\u201eU\u017cywamy RC-120 w naszej kosiarce bijakowej z ci\u0105gnikiem o mocy 120 KM, g\u0142\u00f3wnie do mulczowania obrze\u017cy p\u00f3l i \u017cywop\u0142ot\u00f3w. Pod wzgl\u0119dem jako\u015bci, skrzynia bieg\u00f3w robi bardzo solidne wra\u017cenie; obudowa z \u017celiwa sferoidalnego jest dobrze wykonana, a uszczelki pasuj\u0105 idealnie. Po pierwszym sezonie nie ma wyciek\u00f3w oleju, nie s\u0142ycha\u0107 \u017cadnych ha\u0142as\u00f3w, nic. Pocz\u0105tkowo mia\u0142em obawy z powodu korea\u0144skiego producenta, ale CMN zdecydowanie przewy\u017cszy\u0142 moje oczekiwania. Komunikacja w j\u0119zyku angielskim by\u0142a bezproblemowa, a dostawa do Niemiec za po\u015brednictwem DHL Express zaj\u0119\u0142a 12 dni roboczych. Gor\u0105co polecam ka\u017cdemu, kto szuka solidnej skrzyni bieg\u00f3w na wymian\u0119.\u201d<\/p>\n<p><strong>Brendan Carrick, Pasture Maintenance, Australia<\/strong><br \/>\n\u201eZarz\u0105dzam oko\u0142o 400 hektarami pastwisk w Nowej Po\u0142udniowej Walii, a utrzymanie pastwisk nigdy si\u0119 nie ko\u0144czy. Moja oryginalna skrzynia bieg\u00f3w w kosiarce McConnel zepsu\u0142a si\u0119 w \u015brodku sezonu, dok\u0142adnie wtedy, gdy najbardziej jej potrzebowa\u0142em. CMN natychmiast udost\u0119pni\u0142 RC-120, a ich zesp\u00f3\u0142 wsparcia potwierdzi\u0142 zgodno\u015b\u0107 specyfikacji z moim urz\u0105dzeniem, zanim z\u0142o\u017cy\u0142em zam\u00f3wienie. Dotar\u0142o w ci\u0105gu 10 dni roboczych, czyli szybciej, ni\u017c si\u0119 spodziewa\u0142em po dostawie do regionalnej Nowej Po\u0142udniowej Walii. Monta\u017c zaj\u0105\u0142 nieca\u0142\u0105 godzin\u0119. To by\u0142o 8 miesi\u0119cy temu i od tego czasu przepracowa\u0142em prawdopodobnie 180 godzin na wszystkich rodzajach pastwisk, od suchego kikuyu po mokry \u017cyto. Za\u0142\u0105czanie bieg\u00f3w jest p\u0142ynne, na wa\u0142ku wyj\u015bciowym nie ma luzu, a uszczelnienia doskonale trzymaj\u0105 si\u0119 w zakurzonych warunkach na pastwisku.\u201d<\/p>\n<p><strong>Hernan Gomez Vargas, Sugar Cane Farm, Colombia<\/strong><br \/>\nKupi\u0142em RC-120, aby wymieni\u0107 oryginaln\u0105 przek\u0142adni\u0119 w moim sieczkarni obrotowej, kt\u00f3rej u\u017cywamy na farmie trzciny cukrowej w Tolimie. U\u017cywamy jej z pe\u0142n\u0105 wydajno\u015bci\u0105 od 4 miesi\u0119cy i jak dot\u0105d nie mieli\u015bmy \u017cadnych problem\u00f3w. Zainstalowali\u015bmy j\u0105 sami, post\u0119puj\u0105c zgodnie z instrukcjami przes\u0142anymi nam przez CMN e-mailem. Bardzo podoba\u0142o mi si\u0119, \u017ce zesp\u00f3\u0142 sprzeda\u017cy szybko odpowiedzia\u0142 na moje pytania i potwierdzi\u0142 kompatybilno\u015b\u0107 modelu z moj\u0105 maszyn\u0105, zanim z\u0142o\u017cy\u0142em zam\u00f3wienie. Wysy\u0142ka do Kolumbii zaj\u0119\u0142a 3 tygodnie, co jest w porz\u0105dku. Cena jest bardzo konkurencyjna w stosunku do oferowanej jako\u015bci. Poleci\u0142em ju\u017c ten produkt innym rolnikom w regionie.<\/p>\n<p><strong>Simon Partridge, Roads Maintenance, United Kingdom<\/strong><br \/>\n\u201ePracuj\u0119 dla lokalnego zarz\u0105du dr\u00f3g w Lincolnshire i co roku utrzymujemy oko\u0142o 600 km poboczy na terenach wiejskich. W ci\u0105gu ostatnich dw\u00f3ch lat wprowadzili\u015bmy standard w postaci przek\u0142adni RC-120 firmy CMN do naszej floty kosiarek montowanych na ci\u0105gnikach. Spo\u015br\u00f3d 11 zakupionych do tej pory maszyn, \u017cadna nie wymaga\u0142a naprawy gwarancyjnej. Sp\u00f3jno\u015b\u0107 jako\u015bci mi\u0119dzy partiami to co\u015b, co specjalnie przetestowali\u015bmy przed podj\u0119ciem wsp\u00f3\u0142pracy z tym dostawc\u0105 na du\u017c\u0105 skal\u0119, a CMN pozytywnie zaliczy\u0142 ten test. Ich dokumentacja eksportowa i zgodno\u015b\u0107 z CE by\u0142y kompletne i poprawne ju\u017c na pierwszym zleceniu, co ma ogromne znaczenie dla naszego procesu zaopatrzenia. Ka\u017cdemu samorz\u0105dowi lub wykonawcy poszukuj\u0105cemu niezawodnego dostawcy przek\u0142adni do kosiarek obrotowych bez wahania poleci\u0142bym CMN\u201d.<\/p>\n<p><strong>Manuel Diaz Moreno, S\u0142onecznik i \u015bciernisko zbo\u017cowe, Hiszpania<\/strong><br \/>\n\u201eOd wielu lat pracuj\u0119 z kosiarkami rotacyjnymi w Andaluzji i zawsze szuka\u0142em wysokiej jako\u015bci cz\u0119\u015bci w rozs\u0105dnej cenie. RC-120 firmy CMN Transmission jest w\u0142a\u015bnie taki. Zamontowali\u015bmy go na kosiarce o mocy 90 koni mechanicznych, aby oczy\u015bci\u0107 \u015bciernisko po s\u0142onecznikach i zbo\u017cach po \u017cniwach. Prze\u0142o\u017cenie 1:1,92 jest dla nas idealne do tego zadania. Wyko\u0144czenie korpusu jest dobre, uszczelki s\u0105 dobrze wyregulowane fabrycznie, a przez pierwsze 120 godzin u\u017cytkowania nie wyciek\u0142 \u017caden olej. Serwis techniczny CMN odpowiedzia\u0142 na nasze pytanie dotycz\u0105ce prawid\u0142owego poziomu oleju w nieca\u0142e 2 godziny drog\u0105 mailow\u0105. Jeste\u015bmy bardzo zadowoleni z zakupu i obs\u0142ugi ze strony zespo\u0142u sprzeda\u017cy.\u201d<\/p>\n<p><strong>Suresh Patel, \u015bcinanie ry\u017cu i \u0142odyg pszenicy, Indie<\/strong><br \/>\n\u201eW naszym gospodarstwie u\u017cywamy tej skrzyni bieg\u00f3w RC-120 w kosiarce obrotowej z ci\u0105gnikiem o mocy 60 KM, kt\u00f3ra s\u0142u\u017cy do \u015bcinania \u0142odyg ry\u017cu i trawy. Monta\u017c tej skrzyni bieg\u00f3w by\u0142 do\u015b\u0107 \u0142atwy, a zesp\u00f3\u0142 CMN odpowiada\u0142 na nasze pytania przez ca\u0142y proces. Przez pierwsze trzy miesi\u0105ce nie by\u0142o \u017cadnych problem\u00f3w. Nasza stara skrzynia bieg\u00f3w zepsu\u0142a si\u0119 po dw\u00f3ch sezonach; patrz\u0105c na jako\u015b\u0107 nowej, wydaje si\u0119, \u017ce pos\u0142u\u017cy d\u0142u\u017cej. Polecam CMN. Opakowanie by\u0142o r\u00f3wnie\u017c bardzo dobre, nie by\u0142o uszkodze\u0144, a czas dostawy by\u0142 rozs\u0105dny.\u201d<\/p>","protected":false},"excerpt":{"rendered":"<p>The RC-120 Rotary Cutter Gearbox Replacement for Omni RC-120 Gearbox is a premium-grade power transmission unit engineered specifically for agricultural machinery across demanding field environments. Designed to serve as a direct drop-in replacement for the OEM Omni RC-120 gearbox, this unit is primarily used to drive rotary knives and cutting assemblies for efficient vegetation management operations, including grass cutting, straw crushing, and brush clearing. Rated from 51 to 161 HP and delivering torque between 803 and 2,252 Nm, it converts the high-speed rotation of a tractor PTO shaft (540 or 1,000 RPM) into stable, high-torque output suitable for even the heaviest cutting loads.<\/p>","protected":false},"featured_media":7849,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[301],"product_tag":[303,302,306,304,307,305,308],"class_list":{"0":"post-7960","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\/pl\/wp-json\/wp\/v2\/product\/7960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/comments?post=7960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/media\/7849"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/media?parent=7960"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product_brand?post=7960"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product_cat?post=7960"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product_tag?post=7960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}