{"id":8175,"date":"2026-09-15T09:52:51","date_gmt":"2026-09-15T09:52:51","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&#038;p=8175"},"modified":"2026-09-18T07:51:31","modified_gmt":"2026-09-18T07:51:31","slug":"l-25j-fertilizer-spreader-gearbox-ratio-11-9-replacement-for-comer-l-25j-gearbox","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/es\/producto\/l-25j-fertilizer-spreader-gearbox-ratio-11-9-replacement-for-comer-l-25j-gearbox\/","title":{"rendered":"Caja de engranajes para esparcidora de fertilizante L-25J, relaci\u00f3n 1:1.9, repuesto para caja de engranajes Comer L-25J"},"content":{"rendered":"<p>La caja de engranajes para esparcidor de fertilizante L-25J, con relaci\u00f3n 1:1.9, es un componente esencial de la maquinaria agr\u00edcola, dise\u00f1ada espec\u00edficamente para tareas como la preparaci\u00f3n del suelo, el tratamiento de cultivos y la aplicaci\u00f3n de fertilizantes. Ubicada en el centro de la m\u00e1quina, transmite la potencia de la toma de fuerza (TDF) del tractor a los discos o sinfines giratorios que distribuyen uniformemente el fertilizante en los campos. Dise\u00f1ada para ofrecer durabilidad y fiabilidad, esta caja de engranajes garantiza una transmisi\u00f3n de potencia constante para satisfacer las diversas necesidades operativas en diferentes entornos agr\u00edcolas.<\/p>\n<p>Equipada con engranajes de precisi\u00f3n y ejes endurecidos, esta caja de engranajes agr\u00edcola ajusta la velocidad de rotaci\u00f3n y el par motor seg\u00fan las necesidades de distribuci\u00f3n, optimizando el rendimiento de la m\u00e1quina durante toda la temporada. Con una relaci\u00f3n de transmisi\u00f3n de 1:1,9, una carcasa de aluminio que reduce el peso de la unidad a tan solo 4,1 kg y compatibilidad con ejes de toma de fuerza est\u00e1ndar de 1,3\/8-6 estr\u00edas que funcionan a 540 r\/min, esta caja de engranajes est\u00e1 dise\u00f1ada para soportar las exigentes condiciones del trabajo agr\u00edcola. Ya sea en el cultivo de cereales, hortalizas, gesti\u00f3n de pastos u horticultura, esta caja de engranajes para esparcidoras de fertilizantes desempe\u00f1a un papel crucial en la mejora de la eficiencia y la eficacia de los programas de aplicaci\u00f3n de fertilizantes, al tiempo que reduce el esfuerzo del operador y maximiza los resultados de la cosecha.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8036 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9.webp\" alt=\"Caja de engranajes para esparcidora de fertilizantes L-25J 1-1.9\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Par\u00e1metros t\u00e9cnicos<\/h2>\n<table style=\"height: 629px; width: 100%;\" contenteditable=\"true\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Modelo<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">Caja de cambios L-25J 1:1,9<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Reemplazar marca<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">Contendiente<\/td>\n<\/tr>\n<tr style=\"height: 95px;\">\n<td style=\"height: 95px; width: 47.0658%; text-align: center;\"><strong>Detalles del producto<\/strong><\/td>\n<td style=\"height: 95px; width: 52.6947%;\">-Todas las cajas de cambios se suministran sin aceite.<br \/>\n-El primer cambio de aceite debe realizarse despu\u00e9s de 50-70 horas de funcionamiento, luego despu\u00e9s de 500-700 horas de funcionamiento, o al menos una vez al a\u00f1o.<br \/>\n-Cont\u00e1ctanos para obtener potencia a diferentes RPM.<\/td>\n<\/tr>\n<tr style=\"height: 71px;\">\n<td style=\"height: 71px; width: 47.0658%; text-align: center;\"><strong>Rango de aplicaci\u00f3n<\/strong><\/td>\n<td style=\"height: 71px; width: 52.6947%;\">\n<div class=\"list-item\">-Diversas aplicaciones (agr\u00edcolas)<br \/>\n-Cortac\u00e9spedes<br \/>\n-Cultivadores rotativos de varias hileras<br \/>\n-Sierras de cinta<\/div>\n<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>factor de raz\u00f3n<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">1:1.9<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Potencia de entrada m\u00e1xima<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">11 kW<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Velocidad m\u00e1xima de rotaci\u00f3n de entrada<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">540 rpm<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 25px; width: 47.0658%; text-align: center;\"><strong>Potencia de salida m\u00e1xima<\/strong><\/td>\n<td style=\"height: 25px; width: 52.6947%;\">11 kW<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Potencia de salida m\u00e1xima<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">15 HP<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>par m\u00e1ximo de salida<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">1000 N\u00b7m<\/td>\n<\/tr>\n<tr style=\"height: 47px;\">\n<td style=\"height: 47px; width: 47.0658%; text-align: center;\"><strong>Conexi\u00f3n 1 Di\u00e1metro exterior en pulgadas y estr\u00edas<\/strong><\/td>\n<td style=\"height: 47px; width: 52.6947%;\">1.3\/8-6<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Conexi\u00f3n 2 di\u00e1metro exterior<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">22 mm<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Disposici\u00f3n de engranajes reductores<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">1-2<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Contiene aceite<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">No<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Capacidad m\u00e1xima de aceite<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">0,35 L<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Cambio de aceite m\u00e1ximo<\/strong>\u00a0<strong>intervalo<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">500 h<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Aceite de grado de viscosidad SAE<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">80W-90<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Material de vivienda<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">Aluminio<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Peso<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">4,1 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hemos completado una auditor\u00eda externa de proveedores y una verificaci\u00f3n de la empresa con el apoyo de SGS\/T\u00dcV Rheinland. Esta verificaci\u00f3n permite a los compradores revisar la identidad de la empresa, sus operaciones comerciales, su perfil y su capacidad general de fabricaci\u00f3n. Se pueden proporcionar informes de inspecci\u00f3n espec\u00edficos del producto, documentaci\u00f3n de materiales o registros de cumplimiento seg\u00fan los requisitos del pedido.<\/p>\n<p><strong>Cantidad m\u00ednima de pedido (MOQ):<\/strong>\u00a0Se puede configurar de forma flexible en funci\u00f3n del tipo de producto y la cantidad del pedido.<\/p>\n<p><strong>Muestras:<\/strong>\u00a0Los nuevos clientes pueden solicitar entre 1 y 5 muestras en las circunstancias adecuadas.<\/p>\n<p><strong>Pedidos mixtos:<\/strong>\u00a0Se admite la combinaci\u00f3n de diferentes modelos; el importe total del pedido debe alcanzar aproximadamente $1,500.<\/p>\n<p><strong>Pedidos peque\u00f1os:<\/strong>\u00a0Se admiten pedidos a partir de 1 o 2 unidades, pero el precio unitario ser\u00e1 relativamente m\u00e1s alto.<\/p>\n<p><strong>Plazo de entrega:<\/strong>\u00a0De 10 a 25 d\u00edas laborables para piezas est\u00e1ndar; de 20 a 45 d\u00edas laborables para componentes personalizados; de 45 a 120 d\u00edas laborables para equipos de proyecto.<\/p>\n<p><strong>T\u00e9rminos comerciales:<\/strong>\u00a0Los t\u00e9rminos EXW, FOB, CIF y DAP son generalmente aceptados; los t\u00e9rminos FCA, CFR, CPT, CIP y DDP pueden negociarse espec\u00edficamente.<\/p>\n<h2>Dimensiones de la caja de engranajes del esparcidor de fertilizantes L-25J<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8106 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-1.webp\" alt=\"Dimensiones de la caja de engranajes del esparcidor de fertilizantes L-25A\" width=\"1600\" height=\"820\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-1.webp 1600w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-1-1280x656.webp 1280w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-1-980x502.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-1-480x246.webp 480w\" 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\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8107 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-2.webp\" alt=\"Dimensiones de la caja de engranajes del esparcidor de fertilizantes L-25A\" width=\"1600\" height=\"1300\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-2.webp 1600w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-2-1280x1040.webp 1280w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-2-980x796.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-2-480x390.webp 480w\" 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\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8108 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-3.webp\" alt=\"Dimensiones de la caja de engranajes del esparcidor de fertilizantes L-25A\" width=\"1200\" height=\"1500\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-3.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-3-980x1225.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-3-480x600.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>Caracter\u00edsticas principales de la caja de engranajes 1:1.9 de la esparcidora de fertilizantes L-25J<\/h2>\n<p>1. PTO Interface &amp; Spline Compatibility<br \/>\nEl eje de entrada est\u00e1 mecanizado para coincidir con el perfil estriado est\u00e1ndar de la toma de fuerza (PTO) del tractor (1.3\/8-6), lo que garantiza un ajuste directo y sin vibraciones con la mayor\u00eda de las transmisiones de tractor que funcionan a 540 r\/min. El correcto ajuste de la PTO elimina la desalineaci\u00f3n, reduce el desgaste mec\u00e1nico y previene fallas prematuras en los rodamientos. Nuestras cajas de engranajes se suministran listas para acoplar sin necesidad de adaptadores, lo que reduce significativamente el tiempo y la complejidad de la instalaci\u00f3n para los operarios en el campo.<\/p>\n<p>2. Opciones optimizadas de relaci\u00f3n de transmisi\u00f3n y potencia de salida<br \/>\nLa relaci\u00f3n de transmisi\u00f3n 1:1,9 se ha seleccionado cuidadosamente para ofrecer el rango de RPM ideal del disco para la aplicaci\u00f3n centr\u00edfuga de fertilizantes. Esta configuraci\u00f3n de aceleraci\u00f3n toma una entrada de TDF de 540 r\/min y aumenta la velocidad de salida para lograr arcos de distribuci\u00f3n precisos y de amplia cobertura. El eje de salida de 22 mm de di\u00e1metro admite soportes est\u00e1ndar para discos y agitadores en una amplia gama de m\u00e1quinas esparcidoras de fertilizantes de fabricantes de equipos originales (OEM). Para configuraciones de relaci\u00f3n personalizadas, donde diferentes anchos de distribuci\u00f3n o tipos de gr\u00e1nulos requieran velocidades de salida adaptadas, p\u00f3ngase en contacto con CMN Transmission.<\/p>\n<p>3. Construcci\u00f3n resistente a la corrosi\u00f3n<br \/>\nLos entornos de aplicaci\u00f3n de fertilizantes son qu\u00edmicamente agresivos: los compuestos de nitr\u00f3geno, potasio y fosfato atacan r\u00e1pidamente las superficies met\u00e1licas sin protecci\u00f3n. Esta caja de engranajes cuenta con una carcasa de aleaci\u00f3n de aluminio que resiste la corrosi\u00f3n de forma natural, combinada con sellos labiales de alta calidad y rodamientos sellados que impiden la entrada de humedad y la contaminaci\u00f3n por polvo de fertilizante. Las superficies internas de los engranajes y los ejes est\u00e1n tratados para resistir el ataque qu\u00edmico durante temporadas de aplicaci\u00f3n prolongadas. Esto hace que la L-25J sea especialmente adecuada para operadores que manipulan fertilizantes compuestos corrosivos en climas h\u00famedos o tropicales.<\/p>\n<p>4. Integraci\u00f3n del agitador y la unidad de disco<br \/>\nEl L-25J est\u00e1 dise\u00f1ado para integrarse a la perfecci\u00f3n tanto con sistemas de discos giratorios como con configuraciones de esparcidoras accionadas por agitador. En los dise\u00f1os de un solo disco, el eje de salida se conecta directamente al cubo del disco. En los modelos de doble disco o con agitador, la caja de engranajes proporciona un par constante que evita la acumulaci\u00f3n de material en la tolva, a la vez que acciona el disco de esparcimiento principal. Este dise\u00f1o de doble funci\u00f3n convierte a la caja de engranajes en un componente esencial y vers\u00e1til para diversos tipos de plataformas de esparcimiento, desde esparcidoras compactas remolcadas hasta m\u00e1quinas remolcadas de gran di\u00e1metro.<\/p>\n<p>5. Funcionamiento en condiciones de campo<br \/>\nLa caja de cambios L-25J est\u00e1 dise\u00f1ada pensando en la facilidad de mantenimiento para el operador. Los puntos de llenado, drenaje y comprobaci\u00f3n del nivel de aceite est\u00e1n convenientemente ubicados y son accesibles sin necesidad de desmontar la caja de cambios de la m\u00e1quina. La capacidad m\u00e1xima de aceite de 0,35 L y el aceite para engranajes 80W-90 SAE recomendado son est\u00e1ndar en la industria y est\u00e1n disponibles en cualquier distribuidor agr\u00edcola del mundo. El primer cambio de aceite a las 50-70 horas de funcionamiento permite detectar precozmente cualquier part\u00edcula de desgaste inicial, mientras que el intervalo est\u00e1ndar de 500 horas o anual simplifica y hace predecible el mantenimiento programado para los administradores de explotaciones agr\u00edcolas.<\/p>\n<p>6. Amplia gama de aplicaciones agr\u00edcolas<br \/>\nAdem\u00e1s de para la aplicaci\u00f3n de fertilizantes, la caja de engranajes L-25J es apta para segadoras, cultivadoras rotativas de varias hileras y sierras de cinta, lo que la convierte en una de las cajas de engranajes compactas m\u00e1s vers\u00e1tiles del sector de la maquinaria agr\u00edcola. Su potencia de 11 kW \/ 15 HP y su par m\u00e1ximo de salida de 1000 N\u00b7m cubren todo el rango de trabajo de implementos ligeros y medianos. Tanto si opera sistemas mixtos de grano y forraje como si se dedica exclusivamente a la horticultura, esta caja de engranajes agr\u00edcola para esparcidoras de fertilizantes ofrece un rendimiento fiable temporada tras temporada sin el elevado coste de las piezas de repuesto originales.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8036 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9.webp\" alt=\"Caja de engranajes para esparcidora de fertilizantes L-25J 1-1.9\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>\u00bfC\u00f3mo funciona la caja de engranajes del esparcidor de fertilizantes L-25J?<\/h2>\n<p>The L-25J fertilizer spreader gearbox receives rotational power from the tractor’s PTO shaft at a standard input speed of 540 r\/min. Through a precisely engineered 1:1.9 gear arrangement, it converts this input into a higher output speed suited to driving centrifugal spreading discs. The gear pair within the aluminium housing are helical or bevel-cut to minimize noise and vibration during operation, while the gear reduction arrangement (type 1-2) ensures the output shaft delivers the correct torque multiplied force required to overcome the inertia of a loaded hopper disc even under full-load spreading conditions. This smooth, consistent power flow is what distinguishes a quality fertilizer distributor gearbox from lower-grade alternatives that exhibit speed fluctuation and uneven spread patterns.<\/p>\n<p>La carcasa de aleaci\u00f3n de aluminio del L-25J disipa de forma natural el calor generado durante el funcionamiento continuo de la toma de fuerza (PTO), manteniendo la integridad de la pel\u00edcula lubricante interna incluso durante ciclos prolongados de aplicaci\u00f3n de fertilizantes en climas c\u00e1lidos. La carcasa est\u00e1 dise\u00f1ada con asientos de cojinete mecanizados que mantienen la precisi\u00f3n dimensional durante toda la vida \u00fatil de la caja de engranajes, evitando la oscilaci\u00f3n y la carga lateral en los ejes de salida, comunes en las alternativas m\u00e1s econ\u00f3micas de acero fundido. Los sellos labiales de alta calidad en las salidas de los ejes de entrada y salida proporcionan una barrera fiable contra el polvo de fertilizante, el barro y la humedad. La caja de engranajes viene preinstalada con todos los componentes internos y se env\u00eda sin lubricar, lo que permite al operador llenarla con el aceite para engranajes 80W-90 disponible localmente antes del primer uso. La capacidad interna de aceite de 0,35 L es suficiente para mantener la lubricaci\u00f3n completa de todas las superficies de contacto de los engranajes y cojinetes durante el intervalo de servicio de 500 horas.<\/p>\n<p>La relaci\u00f3n entre el par motor de la caja de engranajes y la calidad de la distribuci\u00f3n del fertilizante es directa: un par motor inconsistente provoca variaciones en la velocidad del disco, lo que a su vez genera una distribuci\u00f3n y tasa de aplicaci\u00f3n desiguales. El modelo L-25J tiene un par motor m\u00e1ximo de 1000 N\u00b7m, lo que proporciona una reserva de par considerable por encima de las cargas de trabajo normales. Esta capacidad de reserva garantiza que la velocidad del disco se mantenga estable incluso en caso de obstrucciones en la tolva, aglomeraci\u00f3n del material o aumentos repentinos de carga. La estabilidad de la velocidad del disco se traduce en una distribuci\u00f3n uniforme y tasas de aplicaci\u00f3n precisas, fundamentales para lograr una distribuci\u00f3n homog\u00e9nea de nutrientes en grandes extensiones de terreno y evitar zonas de aplicaci\u00f3n excesiva o insuficiente que desperdician fertilizantes costosos.<\/p>\n<p>Si bien la caja de engranajes L-25J es una unidad de transmisi\u00f3n de potencia mec\u00e1nicamente robusta, est\u00e1 dise\u00f1ada para usarse con un eje de toma de fuerza (PTO) compatible equipado con un embrague deslizante o un sistema de protecci\u00f3n contra sobrecargas mediante pernos de seguridad. En caso de que un objeto extra\u00f1o o material se atasque en el disco de distribuci\u00f3n o el agitador, la protecci\u00f3n contra sobrecargas ubicada antes de la caja de engranajes interrumpe la transmisi\u00f3n de par antes de que las cargas da\u00f1inas alcancen los componentes internos de la caja. Este enfoque integral de protecci\u00f3n contra sobrecargas garantiza la protecci\u00f3n de la inversi\u00f3n en la caja de engranajes durante toda su vida \u00fatil, minimizando el riesgo de fallas catastr\u00f3ficas que, de otro modo, requerir\u00edan el reemplazo completo de la caja de engranajes en lugar de un simple cambio de pernos de seguridad.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8164 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-8.webp\" alt=\"Caja de engranajes del esparcidor de fertilizantes\" width=\"1200\" height=\"820\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-8.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-8-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-8-480x328.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>Campos de aplicaci\u00f3n<\/h2>\n<div>\n<h3>Cultivo de cereales<\/h3>\n<p>Esencial para la aplicaci\u00f3n uniforme de fertilizantes nitrogenados, fosfatados y pot\u00e1sicos en cultivos de trigo, ma\u00edz, cebada y arroz. La precisa relaci\u00f3n 1:1,9 proporciona velocidades de disco estables que garantizan una cobertura uniforme en pasadas amplias, maximizando la absorci\u00f3n de nutrientes y apoyando los altos rendimientos exigidos en los sistemas comerciales de producci\u00f3n de grano. La caja de engranajes se integra a la perfecci\u00f3n con la mayor\u00eda de las plataformas de esparcimiento centr\u00edfugo utilizadas en explotaciones agr\u00edcolas extensivas.<\/p>\n<\/div>\n<div>\n<h3>Cultivo de hortalizas<\/h3>\n<p>En la producci\u00f3n de hortalizas, la precisi\u00f3n en la dosificaci\u00f3n de nutrientes es fundamental para la calidad y la seguridad de los cultivos. La caja de engranajes L-25J permite una distribuci\u00f3n precisa de fertilizantes granulados en brasic\u00e1ceas, tub\u00e9rculos y hortalizas de hoja verde, aplicando las dosis correctas y reduciendo el riesgo de quemaduras por exceso de nutrientes o acumulaci\u00f3n de sales en el suelo. Su carcasa de aluminio, ligera y de tan solo 4,1 kg, la hace ideal para su uso en esparcidoras compactas que se desplazan con facilidad por sistemas de bancales estrechos y huertos comerciales.<\/p>\n<\/div>\n<div>\n<h3>Cultivo de frutas<\/h3>\n<p>Los huertos frutales y las plantaciones de bayas requieren una aplicaci\u00f3n precisa de fertilizante en etapas de crecimiento definidas, evitando la contaminaci\u00f3n del follaje y la fruta. Esta caja de engranajes acciona discos esparcidores que distribuyen los gr\u00e1nulos de fertilizante con precisi\u00f3n en la zona radicular del \u00e1rbol o la vid, favoreciendo as\u00ed un \u00f3ptimo cuajado y desarrollo del tama\u00f1o de la fruta. Sus dimensiones compactas permiten su integraci\u00f3n en sistemas de esparcimiento entre hileras, utilizados entre \u00e1rboles ya establecidos en huertos comerciales.<\/p>\n<\/div>\n<div>\n<h3>Gesti\u00f3n de pastos<\/h3>\n<p>En la ganader\u00eda, una distribuci\u00f3n uniforme del fertilizante en los pastos permanentes influye directamente en la calidad del forraje y su capacidad de carga. La caja de engranajes L-25J garantiza una velocidad constante de los discos en terrenos variables, manteniendo la uniformidad del ancho de esparcimiento incluso en terrenos inclinados. La aplicaci\u00f3n uniforme de cal y nitr\u00f3geno, facilitada por esta caja de engranajes, promueve un crecimiento equilibrado del pasto, reduciendo las zonas sin vegetaci\u00f3n y la proliferaci\u00f3n de malezas que disminuyen la productividad en los sistemas de pastoreo intensivo.<\/p>\n<h3>Orchards &amp; Vineyards<\/h3>\n<p>La aplicaci\u00f3n precisa de fertilizantes alrededor de los delicados sistemas radiculares en huertos y vi\u00f1edos requiere una caja de engranajes que ofrezca un rendimiento de disco controlado y repetible. La L-25J permite la aplicaci\u00f3n dirigida de fertilizantes a base de potasio, boro y zinc, necesarios para los cultivos frutales durante sus periodos clave de desarrollo. La caja de engranajes se adapta f\u00e1cilmente a sistemas de esparcimiento de p\u00e9ndulo o de discos configurados para su uso entre hileras en plantaciones de alta densidad, donde una colocaci\u00f3n precisa evita el desperdicio de nutrientes y reduce el riesgo de escorrent\u00eda superficial.<\/p>\n<\/div>\n<div>\n<h3>Lawn &amp; Turf Management<\/h3>\n<p>Los responsables del mantenimiento de c\u00e9spedes deportivos y los superintendentes de campos de golf conf\u00edan en una aplicaci\u00f3n precisa y personalizable de fertilizantes para lograr un c\u00e9sped sano y uniforme. La caja de engranajes con relaci\u00f3n 1:1,9 proporciona una velocidad de rotaci\u00f3n estable del disco para fertilizantes de gr\u00e1nulos finos que requieren un ancho de esparcimiento uniforme para evitar franjas. La carcasa compacta y ligera de aluminio es ideal para las plataformas de esparcimiento m\u00e1s peque\u00f1as que se utilizan habitualmente en campos deportivos, calles de golf y operaciones de mantenimiento de c\u00e9sped de alta gama.<\/p>\n<\/div>\n<div>\n<h3>Horticulture &amp; Nurseries<\/h3>\n<p>En invernaderos y viveros se utilizan fertilizantes granulados solubles y de liberaci\u00f3n controlada, donde la precisi\u00f3n en la aplicaci\u00f3n es fundamental. Esta caja de engranajes agr\u00edcola proporciona el par motor constante necesario para accionar los sistemas de esparcimiento en entornos de cultivo confinados. Su carcasa de aluminio resistente a la corrosi\u00f3n soporta la atm\u00f3sfera h\u00fameda y cargada de fertilizantes de las instalaciones de cultivo protegidas, manteniendo un funcionamiento fiable durante largas temporadas de cultivo sin la degradaci\u00f3n de la carcasa que suele sufrir la caja de engranajes de hierro.<\/p>\n<h3>Landscaping &amp; Gardening<\/h3>\n<p>Para jardines peque\u00f1os, parterres y proyectos de paisajismo ornamental, los esparcidores compactos con caja de engranajes L-25J permiten una distribuci\u00f3n controlada del fertilizante, lo que mejora la vitalidad y el desarrollo de las plantas. La precisa relaci\u00f3n 1:1,9 permite un ajuste fino del ancho de esparcimiento para adaptarlo a los l\u00edmites de la parcela, evitando el desperdicio de producto en superficies duras y protegiendo los cursos de agua adyacentes. Su carcasa ligera de aluminio a\u00f1ade un peso m\u00ednimo a este esparcidor compacto, dise\u00f1ado para maniobrar en espacios reducidos.<\/p>\n<\/div>\n<div>\n<h3>Enmiendas del suelo y aplicaci\u00f3n de cal<\/h3>\n<p>Fertilizer spreader gearboxes are highly effective for distributing soil amendment materials including agricultural lime, gypsum, and organic compost granules. These materials typically require higher torque at startup due to their bulk density, and the L-25J’s 1000 N\u00b7m torque ceiling handles such loads comfortably. Uniform lime application supported by this gearbox corrects soil pH across large field areas efficiently, reducing the number of passes required and minimizing soil compaction from machinery traffic.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8092 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-1.webp\" alt=\"Aplicaciones de la caja de engranajes de la esparcidora de fertilizantes\" width=\"1200\" height=\"900\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-1.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-1-980x735.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-1-480x360.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>Piezas de la caja de engranajes del esparcidor de fertilizantes L-25J<\/h2>\n<p>Carcasa de la caja de cambios<br \/>\nThe aluminium alloy housing forms the structural foundation of the L-25J. Precision die-cast and machined to tight dimensional tolerances, it maintains accurate bearing seat geometry and gear mesh alignment throughout the product’s service life. The aluminium material provides excellent thermal conductivity to dissipate heat during sustained operation, while its natural corrosion resistance makes it ideal for the aggressive chemical environment of fertilizer application.<\/p>\n<p>Eje de entrada<br \/>\nEl eje de entrada, endurecido y rectificado, presenta un perfil estriado de 1.3\/8-6 que se conecta directamente al eje de transmisi\u00f3n de la toma de fuerza del tractor. El eje est\u00e1 fabricado en acero aleado de alta calidad, cementado para garantizar que los dientes estriados resistan el desgaste incluso despu\u00e9s de repetidos ciclos de acoplamiento y desacoplamiento. El correcto estado del eje de entrada es fundamental para mantener una conexi\u00f3n sin vibraciones entre la transmisi\u00f3n de la toma de fuerza y \u200b\u200bel par de engranajes internos de la caja de cambios.<\/p>\n<p>Engranajes c\u00f3nicos<br \/>\nThe bevel gear pair is the heart of the L-25J’s power transmission. Precision-machined from case-hardened alloy steel and lapped to achieve optimized tooth contact patterns, these gears convert the direction of power flow while stepping up the rotational speed at the 1:1.9 ratio. Correct gear mesh and lubrication of the bevel set directly determines spread uniformity, noise level, and the overall operational life of the gearbox assembly.<\/p>\n<p>Eje de salida<br \/>\nEl eje de salida, con un di\u00e1metro exterior de 22 mm, es el punto de conexi\u00f3n entre la caja de engranajes y el disco esparcidor o agitador. Mecanizado en acero de alta resistencia con mu\u00f1\u00f3n de cojinete rectificado y chavetero, transmite la mayor velocidad y el par motor del par de engranajes directamente al mecanismo de esparcimiento. El eje est\u00e1 soportado por cojinetes de precisi\u00f3n tanto en la parte interior como en la exterior para soportar las cargas radiales y axiales combinadas del conjunto del disco giratorio.<\/p>\n<p>Aspectos<br \/>\nEn el modelo L-25J se utilizan rodamientos de bolas de ranura profunda o rodamientos de rodillos c\u00f3nicos en cada soporte del eje. Estos se seleccionan por su capacidad para soportar las cargas radiales combinadas de las fuerzas de engranaje y las cargas axiales derivadas del peso del disco y las fuerzas centr\u00edfugas de dispersi\u00f3n. Los rodamientos sellados prelubricados en la salida del eje impiden la entrada de fertilizante, mientras que el rodamiento del eje de entrada se lubrica con el aceite para engranajes 80W-90 que circula dentro de la carcasa de la caja de engranajes.<\/p>\n<p>Sellos de aceite<br \/>\nSe instalan sellos labiales de caucho NBR de alta calidad en cada punto de salida del eje para evitar fugas de aceite de la carcasa y bloquear la entrada de polvo de fertilizante, humedad y contaminaci\u00f3n del campo. En el entorno qu\u00edmico agresivo de la aplicaci\u00f3n de fertilizantes, la calidad del sello es primordial: los sellos de calidad inferior se deterioran r\u00e1pidamente al exponerse a compuestos de nitr\u00f3geno y fosfato, lo que provoca p\u00e9rdida de aceite, falta de lubricaci\u00f3n de los cojinetes y desgaste interno acelerado. Los sellos de repuesto son un est\u00e1ndar <a href=\"https:\/\/korea-transmission.com\/es\/products\/fertilizer-spreader-gearbox\/\"><strong>Caja de engranajes del esparcidor de fertilizantes<\/strong><\/a> pieza que debe inspeccionarse en cada intervalo de servicio.<\/p>\n<p>Sistema de lubricaci\u00f3n<br \/>\nEl L-25J utiliza un sistema de lubricaci\u00f3n por salpicadura en el que el engranaje inferior se sumerge en el c\u00e1rter de aceite de 0,35 L y distribuye el lubricante a trav\u00e9s de los dientes del engranaje y las superficies de contacto de los cojinetes durante la rotaci\u00f3n. El aceite para engranajes SAE 80W-90 especificado proporciona una pel\u00edcula de viscosidad adecuada a temperaturas normales de funcionamiento, protegiendo todas las superficies internas del contacto metal con metal. Los tapones de llenado y drenaje de aceite son accesibles desde el exterior de la carcasa para facilitar los cambios de aceite a los intervalos recomendados de 500 horas sin necesidad de desmontar la caja de engranajes del bastidor del esparcidor.<\/p>\n<p>Juntas y sujetadores para carcasas<br \/>\nLa junta de estanqueidad dividida entre las dos mitades de la carcasa est\u00e1 fabricada con un material resistente al aceite para mantener un sellado herm\u00e9tico incluso bajo las condiciones de ciclos t\u00e9rmicos que se producen durante el uso agr\u00edcola estacional. Los sujetadores de la carcasa, de acero inoxidable o cincados, resisten la corrosi\u00f3n superficial causada por las salpicaduras de fertilizante, lo que garantiza un reensamblaje seguro despu\u00e9s del mantenimiento y previene la corrosi\u00f3n galv\u00e1nica entre el sujetador y la carcasa de aluminio, que puede provocar el agarrotamiento de los pernos tras un almacenamiento prolongado al aire libre.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8073 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5.webp\" alt=\"Caja de engranajes del esparcidor de fertilizantes\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5-480x480.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>Soluci\u00f3n de problemas comunes<\/h2>\n<div>\n<h3>Fugas de aceite en las salidas de los pozos<\/h3>\n<p>La presencia de aceite alrededor del eje de entrada o salida suele indicar desgaste o da\u00f1os en los retenes. Esto se debe a un funcionamiento prolongado sin mantenimiento, a la degradaci\u00f3n del caucho del ret\u00e9n por productos qu\u00edmicos de fertilizantes o a marcas en el eje. Drene el aceite, inspeccione la superficie del eje en busca de marcas, reemplace ambos retenes, rellene con aceite nuevo 80W-90 y compruebe que los tornillos de la carcasa est\u00e9n apretados al par especificado antes de volver a poner el eje en funcionamiento.<\/p>\n<\/div>\n<div>\n<h3>Ruido inusual durante el funcionamiento<\/h3>\n<p>Los ruidos de fricci\u00f3n o chirridos provenientes de la caja de engranajes indican desgaste de los engranajes, da\u00f1os en los cojinetes o un nivel de aceite cr\u00edticamente bajo. Primero, verifique el nivel de aceite de la caja de engranajes de la esparcidora de fertilizante a trav\u00e9s del tap\u00f3n de nivel con la m\u00e1quina en terreno llano. Si el nivel de aceite es correcto, drene e inspeccione el aceite en busca de part\u00edculas met\u00e1licas. Una contaminaci\u00f3n met\u00e1lica excesiva confirma el desgaste interno de los engranajes o cojinetes, lo que requiere una inspecci\u00f3n profesional de la caja de engranajes y el reemplazo de componentes antes de su uso.<\/p>\n<\/div>\n<div>\n<h3>Patr\u00f3n de distribuci\u00f3n desigual de fertilizantes<\/h3>\n<p>Una distribuci\u00f3n irregular del ancho de la esparcimiento o la aparici\u00f3n de franjas en el campo pueden deberse a variaciones en la velocidad del disco causadas por el desgaste de los engranajes internos o una velocidad incorrecta de la toma de fuerza (TDF). Confirme que la TDF del tractor est\u00e9 funcionando a la velocidad nominal de 540 r\/min. Compruebe si el eje de salida presenta holgura o juego, lo que podr\u00eda indicar el desgaste de los cojinetes de salida. Verifique el estado de las paletas del disco y aseg\u00farese de que este est\u00e9 correctamente fijado a la chaveta del eje de salida y que los elementos de fijaci\u00f3n est\u00e9n bien ajustados y en buen estado.<\/p>\n<\/div>\n<div>\n<h3>Carcasa de la caja de cambios sobrecalentada<\/h3>\n<p>Excessive housing temperature during operation points to inadequate lubrication, incorrect oil viscosity, or overloading beyond the 11 kW \/ 1000 N\u00b7m rated limits. Check and correct the oil level immediately, ensure 80W-90 SAE grade oil is used rather than a thicker or thinner alternative, and verify that the machine application rate and material density are within the spreader’s design capacity. Continuing to operate an overheating gearbox will accelerate gear and bearing wear substantially.<\/p>\n<\/div>\n<div>\n<h3>Vibraci\u00f3n de la toma de fuerza en el punto de conexi\u00f3n<\/h3>\n<p>Vibration at the PTO-to-gearbox interface suggests a worn or damaged input shaft spline, a mismatched PTO shaft profile, or a worn PTO driveshaft universal joint. Inspect the 1.3\/8-6 input spline for radial play and tooth wear. Confirm PTO driveshaft yoke angles are within the manufacturer’s specified limits. Excessive angularity at the PTO shaft causes cyclic torque variation that accelerates internal gear fatigue and reduces gearbox lifespan significantly.<\/p>\n<\/div>\n<div>\n<h3>El eje de salida no gira<\/h3>\n<p>Un eje de salida bloqueado o que no gira con la toma de fuerza (TDF) acoplada suele indicar un agarrotamiento completo del cojinete por falta de lubricaci\u00f3n o un disco atascado por el impacto de un objeto extra\u00f1o. Desconecte la TDF inmediatamente y compruebe si hay obstrucciones externas en el disco. Si no hay ninguna obstrucci\u00f3n externa, la caja de engranajes requiere una inspecci\u00f3n en taller para detectar el agarrotamiento del cojinete o del engranaje. No intente girar a la fuerza un eje de salida bloqueado, ya que esto provocar\u00e1 da\u00f1os internos adicionales.<\/p>\n<\/div>\n<div>\n<h3>Aceite turbio o lechoso al inspeccionarlo<\/h3>\n<p>La apariencia lechosa o emulsionada del aceite al revisar el tap\u00f3n de drenaje confirma la presencia de agua en la caja de engranajes, generalmente debido a una falla en el sello o a una carcasa agrietada que permite la entrada de humedad despu\u00e9s del lavado a presi\u00f3n. Drene completamente todo el aceite contaminado, enjuague con aceite mineral limpio, inspeccione y reemplace los sellos y cualquier componente de la carcasa agrietado, y rellene con aceite para engranajes 80W-90 nuevo. El aceite contaminado con agua pierde r\u00e1pidamente su capacidad lubricante y provoca un desgaste acelerado de los engranajes y cojinetes.<\/p>\n<\/div>\n<div>\n<h3>Grietas en la carcasa o da\u00f1os f\u00edsicos<\/h3>\n<p>Las fisuras o fracturas por impacto en la carcasa de aluminio suelen ser consecuencia de colisiones con obst\u00e1culos, un montaje incorrecto sin aislamiento de vibraciones o el apriete excesivo de los tornillos de montaje, lo que ejerce presi\u00f3n sobre la pieza fundida. Las peque\u00f1as fisuras superficiales pueden repararse temporalmente con compuestos epoxi para metales, pero una carcasa agrietada que perfore la c\u00e1mara de aceite requiere la sustituci\u00f3n de la caja de engranajes. P\u00f3ngase en contacto con CMN Transmission para consultar la disponibilidad y el precio actual de la carcasa de repuesto para su unidad L-25J.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8052 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2.webp\" alt=\"Caja de engranajes del esparcidor de fertilizantes\" width=\"1200\" height=\"820\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2-480x328.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>Caja de engranajes de esparcidora de fertilizante vs. caja de engranajes de segadora de martillos<\/h2>\n<h3>\u00bfQu\u00e9 es una caja de engranajes para esparcidora de fertilizantes?<\/h3>\n<p>A\u00a0fertilizer spreader gearbox, also called a\u00a0fertilizer distributor gearbox, is an essential component of agricultural machinery specifically designed for tasks such as soil preparation, crop treatment, and fertilizer spreading. Located at the center of the machine, it transmits power from the tractor’s PTO to the spinning discs or augers that evenly distribute fertilizer across the fields. These gearboxes are engineered for durability and reliability, ensuring consistent power transmission to meet varying operational demands. They are equipped with a series of gears and shafts that adjust the rotational speed and torque based on spreading requirements, optimizing machine performance.<\/p>\n<h4>Ventajas de las cajas de engranajes para esparcidoras de fertilizantes<\/h4>\n<ul>\n<li><strong>Aplicaci\u00f3n de precisi\u00f3n:<\/strong>\u00a0Ofrece una velocidad de disco constante que se traduce en anchos de esparcimiento y tasas de aplicaci\u00f3n repetibles en diversas condiciones de terreno y tipos de materiales.<\/li>\n<li><strong>Resistencia a la corrosi\u00f3n:<\/strong>\u00a0La carcasa de aluminio y los componentes internos sellados resisten el ataque qu\u00edmico de los fertilizantes nitrogenados, pot\u00e1sicos y fosfatados durante varias temporadas.<\/li>\n<li><strong>Dise\u00f1o ligero:<\/strong>\u00a0At 4.1 kg, the L-25J adds minimal weight to the spreader frame, reducing the implement’s total mass and improving tractor fuel efficiency during field operations.<\/li>\n<li><strong>Capacidad de aceleraci\u00f3n:<\/strong>\u00a0La relaci\u00f3n 1:1,9 convierte la velocidad est\u00e1ndar de la toma de fuerza (PTO) de 540 r\/min en las RPM del disco m\u00e1s altas necesarias para la distribuci\u00f3n centr\u00edfuga sin necesidad de una caja de engranajes multiplicadora independiente en la transmisi\u00f3n.<\/li>\n<li><strong>Compatibilidad con m\u00faltiples aplicaciones:<\/strong>\u00a0Sus funciones abarcan segadoras, cultivadoras rotativas y sierras de cinta, adem\u00e1s de la aplicaci\u00f3n de fertilizantes, lo que aporta valor a m\u00faltiples tipos de maquinaria en una explotaci\u00f3n agr\u00edcola mixta.<\/li>\n<\/ul>\n<h4>Aplicaciones de las cajas de engranajes de las esparcidoras de fertilizantes<\/h4>\n<ul>\n<li>Esparcidoras centr\u00edfugas de fertilizantes de doble disco y de disco simple para cultivos agr\u00edcolas y hort\u00edcolas.<\/li>\n<li>Esparcidoras de cal y enmiendas para el suelo para programas de correcci\u00f3n de pH.<\/li>\n<li>Esparcidoras pendulares utilizadas en la aplicaci\u00f3n de precisi\u00f3n en explotaciones agr\u00edcolas de hortalizas y frutas.<\/li>\n<li>Equipos para la aplicaci\u00f3n de fertilizantes en c\u00e9sped deportivo y campos de golf.<\/li>\n<li>Sistemas de abonado de pastos en explotaciones lecheras y ovinas.<\/li>\n<\/ul>\n<h3>What Is a Flail Mower Gearbox?<\/h3>\n<p>A flail mower gearbox is the essential power transmission component in a flail mower, designed to efficiently convert the tractor’s PTO power into the necessary torque for effective vegetation cutting. Constructed from high-quality materials such as cast iron or aluminium alloy, these gearboxes are built to withstand heavy-duty mowing operations involving high rotor inertia and impact loads from stones and debris. The gearbox houses interlocking spur, worm, or bevel gears encased in a robust housing that protects internal components from dirt and plant debris. Regular lubrication ensures smooth operation and extends the gearbox’s lifespan under demanding cutting conditions.<\/p>\n<h4>Ventajas de las cajas de engranajes de las desbrozadoras de martillos<\/h4>\n<ul>\n<li><strong>Alta capacidad de torsi\u00f3n:<\/strong>\u00a0Dise\u00f1ado para soportar las cargas de impacto generadas cuando las cuchillas de la desbrozadora golpean rocas, tocones y vegetaci\u00f3n densa sin que se produzca una falla catastr\u00f3fica en el mecanismo.<\/li>\n<li><strong>Reducci\u00f3n de velocidad:<\/strong>\u00a0Reduce gradualmente la velocidad de entrada de la toma de fuerza a una velocidad de rotaci\u00f3n del rotor m\u00e1s baja y con mayor par, adecuada para cortar vegetaci\u00f3n densa sin sobrepasar la velocidad de las puntas de las cuchillas de la trituradora.<\/li>\n<li><strong>Viviendas resistentes:<\/strong>\u00a0Las carcasas de hierro fundido o aluminio de gran calibre resisten la vibraci\u00f3n y el impacto que se transmiten a trav\u00e9s de la transmisi\u00f3n tras los golpes del rotor en terrenos dif\u00edciles.<\/li>\n<li><strong>Compatibilidad con la protecci\u00f3n contra sobrecargas:<\/strong>\u00a0Dise\u00f1ado para funcionar con sistemas de protecci\u00f3n de embrague deslizante o perno de seguridad que evitan da\u00f1os en la caja de cambios cuando se producen bloqueos del rotor en terrenos con mucha hierba o residuos de cultivos.<\/li>\n<\/ul>\n<h4>Aplicaciones de las cajas de engranajes de las desbrozadoras de martillos<\/h4>\n<ul>\n<li>Operaciones de desbroce de arcenes y cunetas en el mantenimiento de carreteras<\/li>\n<li>Manejo de la vegetaci\u00f3n del suelo del huerto y control de la maleza<\/li>\n<li>Trituraci\u00f3n y acolchado de los residuos de la cosecha despu\u00e9s de la recolecci\u00f3n.<\/li>\n<li>Desmonte y reducci\u00f3n de matorrales en terrenos dif\u00edciles.<\/li>\n<li>Manejo de hileras de vi\u00f1edos y supresi\u00f3n de maleza entre hileras de vides.<\/li>\n<\/ul>\n<h3>Tabla comparativa:<\/h3>\n<div>\n<table style=\"height: 400px; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"text-align: center;\">Caracter\u00edstica<\/th>\n<th style=\"text-align: center;\">Caja de engranajes del esparcidor de fertilizantes<\/th>\n<th style=\"text-align: center;\">Caja de engranajes de la segadora de martillos<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">Funci\u00f3n principal<\/td>\n<td style=\"text-align: center;\">Accionamiento de discos giratorios\/sinfines para la distribuci\u00f3n de fertilizantes.<\/td>\n<td style=\"text-align: center;\">Rotor de martillos accionado para cortar y triturar vegetaci\u00f3n.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Relaci\u00f3n de transmisi\u00f3n t\u00edpica<\/td>\n<td style=\"text-align: center;\">Aceleraci\u00f3n (por ejemplo, 1:1,9 para unidades de disco centr\u00edfugas)<\/td>\n<td style=\"text-align: center;\">Reducci\u00f3n de velocidad (por ejemplo, de 1,3:1 a 2,9:1 para el accionamiento del rotor)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Cargar personaje<\/td>\n<td style=\"text-align: center;\">Par motor suave y constante; baja carga de impacto.<\/td>\n<td style=\"text-align: center;\">Altas cargas de choque e impacto por impactos de escombros.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Material de vivienda<\/td>\n<td style=\"text-align: center;\">Aluminio (ligero, resistente a la corrosi\u00f3n)<\/td>\n<td style=\"text-align: center;\">Hierro fundido o aleaci\u00f3n de aluminio (alta resistencia al impacto)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Peso<\/td>\n<td style=\"text-align: center;\">Ligero (L-25J: 4,1 kg)<\/td>\n<td style=\"text-align: center;\">M\u00e1s pesado (normalmente entre 15 y 50 kg, seg\u00fan el modelo)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Requisitos de corrosi\u00f3n<\/td>\n<td style=\"text-align: center;\">Cr\u00edtico: la exposici\u00f3n a los productos qu\u00edmicos de los fertilizantes es continua.<\/td>\n<td style=\"text-align: center;\">Moderado: exposici\u00f3n a pastos y restos de cultivos<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Capacidad de petr\u00f3leo<\/td>\n<td style=\"text-align: center;\">Peque\u00f1o (0,35 L para L-25J)<\/td>\n<td style=\"text-align: center;\">M\u00e1s grande (de 1,5 a 5 litros, seg\u00fan el tama\u00f1o)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Aplicaci\u00f3n t\u00edpica<\/td>\n<td style=\"text-align: center;\">Aplicaci\u00f3n de fertilizantes y cal, siembra de semillas<\/td>\n<td style=\"text-align: center;\">Corte de c\u00e9sped en los bordes de las carreteras, manejo de pastos en huertos, acolchado.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Protecci\u00f3n contra sobrecarga<\/td>\n<td style=\"text-align: center;\">Se recomienda un embrague deslizante de la toma de fuerza aguas arriba.<\/td>\n<td style=\"text-align: center;\">Es esencial contar con protecci\u00f3n contra embragues deslizantes o pernos de seguridad.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8074 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-6.webp\" alt=\"Caja de engranajes del esparcidor de fertilizantes\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-6.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-6-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-6-480x480.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>Caja de engranajes y eje de transmisi\u00f3n de la toma de fuerza del esparcidor de fertilizante<\/h2>\n<p>Fertilizer spreader gearboxes transfer power from the tractor’s PTO to the spinner discs or agitators that distribute fertilizer, seed, or granular amendments. The gearbox reduces or steps up PTO rotational speed, adjusts torque, and ensures consistent spreading performance across varying ground speeds and material types. The L-25J’s durable, corrosion-resistant aluminium design withstands harsh fertilizer environments for multiple seasons without housing degradation. It converts the 540 r\/min PTO input to the optimized disc speed required for the target spreading width, ensuring nutrient placement is uniform and accurate across every pass of the field.<\/p>\n<p>El conjunto de engranajes internos, los cojinetes sellados y el sistema de lubricaci\u00f3n por aceite trabajan en conjunto para mantener este rendimiento de forma constante sin necesidad de intervenci\u00f3n del operador entre los intervalos de servicio especificados. Para los operadores que necesitan un reemplazo directo para una unidad Comer L-25J desgastada, esta caja de engranajes ofrece una coincidencia precisa con las especificaciones del fabricante original, incluyendo perfiles de estr\u00edas, patrones de pernos de montaje y dimensiones del eje id\u00e9nticos, lo que permite un reemplazo directo en el campo con herramientas agr\u00edcolas manuales est\u00e1ndar.<\/p>\n<p>Un eje de toma de fuerza (TDF), tambi\u00e9n llamado eje de transmisi\u00f3n, es un componente mec\u00e1nico del sistema de transmisi\u00f3n que transfiere la potencia de rotaci\u00f3n de un tractor o motor directamente a un implemento o equipo acoplado. En lugar de requerir que cada m\u00e1quina agr\u00edcola tenga su propio motor, el eje de TDF permite que un solo tractor alimente una amplia gama de herramientas, desde cultivadoras rotativas y desbrozadoras hasta trituradoras de madera, empacadoras y esparcidoras de fertilizantes. Los ejes de TDF est\u00e1n estandarizados a velocidades de funcionamiento comunes de 540 r\/min (para implementos agr\u00edcolas ligeros) y 1000 r\/min (para implementos de mayor potencia), con perfiles de estr\u00edas est\u00e1ndar correspondientes, incluyendo la estr\u00eda 1.3\/8-6 utilizada por el eje de entrada de la caja de cambios L-25J.<\/p>\n<p>Los ejes de la toma de fuerza (TDF) incorporan juntas universales en ambos extremos para compensar el desfase angular entre la salida fija de la TDF del tractor y el punto de enganche m\u00f3vil del implemento. Las secciones telesc\u00f3picas del tubo permiten que el eje se extienda y se retraiga a medida que el implemento sube y baja en el enganche de tres puntos o al articularse durante los giros en las cabeceras. Un protector de seguridad cubre el eje giratorio y debe permanecer siempre colocado durante el funcionamiento para proteger a los operarios del riesgo de atrapamiento.<\/p>\n<p>El eje de la toma de fuerza conecta la fuente de energ\u00eda del tractor directamente al eje de entrada de la caja de cambios L-25J a trav\u00e9s del acoplamiento est\u00e1ndar de 1.3\/8-6 estr\u00edas. El tractor acciona la toma de fuerza a la velocidad nominal de 540 r\/min, y esta velocidad de rotaci\u00f3n se transmite a trav\u00e9s del <a href=\"https:\/\/korea-transmission.com\/es\/pto-shafts\/\"><strong>eje de transmisi\u00f3n de la toma de fuerza<\/strong><\/a> a trav\u00e9s de sus juntas universales hasta la entrada de la caja de engranajes. Dentro de la caja de engranajes, el par de engranajes c\u00f3nicos convierte esta entrada en una relaci\u00f3n de 1:1,9, lo que proporciona una mayor velocidad de salida y un par proporcionalmente reducido al disco de separaci\u00f3n.<\/p>\n<p>La calidad y el estado del eje de la toma de fuerza (TDF) afectan directamente al buen funcionamiento de la caja de engranajes: las juntas universales desgastadas provocan fluctuaciones c\u00edclicas de velocidad que causan vibraciones y fatiga en los dientes de los engranajes dentro de la caja. Un \u00e1ngulo excesivo del eje de la TDF, que supere los l\u00edmites de la junta universal, provoca variaciones de velocidad similares. Por este motivo, CMN Transmission recomienda inspeccionar las juntas universales del eje de la TDF para detectar holgura y desgaste al inicio de cada temporada, y confirmar que el eje de la TDF tenga la longitud y la clasificaci\u00f3n de serie correctas para el modelo de esparcidor antes de la instalaci\u00f3n.<\/p>\n<p>CMN Transmission ofrece una gama completa de ejes de toma de fuerza, juntas universales, horquillas y limitadores de par compatibles con la caja de cambios L-25J y la amplia gama de implementos agr\u00edcolas de nuestro cat\u00e1logo. P\u00f3ngase en contacto con nuestro equipo t\u00e9cnico para confirmar las especificaciones correctas del eje de toma de fuerza para su modelo de tractor y configuraci\u00f3n de esparcidora.<\/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-8001 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-1.9-1.webp\" alt=\"Caja de engranajes para esparcidora de fertilizante L-25A 1.9-1\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-1.9-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-1.9-1-480x480.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-343 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft.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\/2025\/04\/PTO-Shaft.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft-480x480.webp 480w\" alt=\"Eje de toma de fuerza\" width=\"1000\" height=\"1000\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Why Choose CMN Transmission’s Fertilizer Spreader Gearboxes?<\/h2>\n<p>Korea CMN Transmission Co., Ltd. se fund\u00f3 en el a\u00f1o 2000 y est\u00e1 ubicada en Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, Corea del Sur. Con m\u00e1s de 100 empleados dedicados a la investigaci\u00f3n, el desarrollo, la fabricaci\u00f3n, la venta y el servicio de cajas de engranajes agr\u00edcolas, CMN Transmission se ha consolidado como un proveedor global confiable a lo largo de m\u00e1s de dos d\u00e9cadas de operaci\u00f3n continua. Exportando a m\u00e1s de 60 destinos en todo el mundo, CMN Transmission aporta una amplia experiencia en ingenier\u00eda y una calidad de fabricaci\u00f3n constante a cada producto de su cat\u00e1logo.<\/p>\n<p>Nuestra gama de productos abarca cajas de engranajes para cortadoras rotativas, cultivadoras rotativas, mezcladoras de piensos, segadoras rotativas, esparcidoras de fertilizantes, segadoras de martillos, perforadoras de postes, empacadoras redondas, empacadoras cuadradas, segadoras de discos, sistemas de riego de pivote central, accionamientos hidr\u00e1ulicos, m\u00e1quinas de ensilaje, pulverizadores para huertos, rastrillos rotativos, cosechadoras combinadas, almacenamiento de grano, transporte de grano, cabezales de ma\u00edz, barras de corte y alimentaci\u00f3n av\u00edcola, adem\u00e1s de cajas de engranajes agr\u00edcolas a medida que cubren casi mil especificaciones. Estos productos se utilizan ampliamente en equipos de cosecha de grano, maquinaria forrajera, segadoras, empacadoras, rastrillos, cultivadoras rotativas, esparcidoras de fertilizantes, pulverizadores, mezcladoras de piensos, m\u00e1quinas de ensilaje y cosechadoras combinadas en los mercados globales.<\/p>\n<p>CMN Transmission’s broader product portfolio also includes PTO shafts, universal joints, yokes, tubes, torque limiters, covers, adapters, couplings, bearings, blades, chains, and sprockets, enabling us to supply complete driveline solutions rather than individual components alone. With annual production exceeding 500,000 units, CMN Transmission consistently delivers reliable performance and long-term durability for global OEM manufacturers and aftermarket distributors.<\/p>\n<p>Todos nuestros productos se fabrican bajo sistemas de gesti\u00f3n de calidad con certificaci\u00f3n CE e ISO 9001, lo que garantiza una precisi\u00f3n dimensional constante, el cumplimiento de las especificaciones de los materiales y la fiabilidad del rendimiento en cada lote. Exportamos nuestros productos a Estados Unidos, Canad\u00e1, M\u00e9xico, Brasil, Argentina, Francia, Alemania, Italia, Espa\u00f1a, Reino Unido, Rusia, China, India, Tailandia, Vietnam, Turqu\u00eda, Australia, Nueva Zelanda y otros pa\u00edses, y contamos con una amplia experiencia ofreciendo soluciones t\u00e9cnicas a socios de maquinaria agr\u00edcola en las principales regiones agr\u00edcolas del mundo.<\/p>\n<p>Para proveedores de cajas de engranajes para esparcidoras de fertilizantes y equipos de compras de fabricantes de equipos originales (OEM), CMN Transmission ofrece producci\u00f3n personalizada seg\u00fan los planos y especificaciones del cliente. Ya sea que necesite un reemplazo directo para Comer, como el L-25J, una configuraci\u00f3n de relaci\u00f3n modificada, un patr\u00f3n de montaje de carcasa personalizado o un producto de marca propia para su red de distribuci\u00f3n, nuestro equipo de ingenier\u00eda tiene la capacidad de satisfacer sus necesidades desde el prototipo hasta la producci\u00f3n en volumen. Al elegir CMN Transmission, usted obtiene acceso a un fabricante con dos d\u00e9cadas de experiencia en cajas de engranajes agr\u00edcolas, una red log\u00edstica global y un equipo de soporte t\u00e9cnico que comprende las exigencias operativas que su equipo enfrenta diariamente en el campo.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8178 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-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_Fertilizer-Spreader-Gearbox-Manufacturers.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers-980x711.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers-480x348.webp 480w\" alt=\"Fabricantes de cajas de engranajes para esparcidoras de fertilizantes\" width=\"1200\" height=\"870\" \/><\/p>\n<h2>Preguntas frecuentes<\/h2>\n<p><strong>P: \u00bfEs la CMN L-25J un reemplazo directo para la caja de engranajes del esparcidor de fertilizantes Comer L-25J?<\/strong><br \/>\nA: S\u00ed. El CMN L-25J est\u00e1 dise\u00f1ado como un reemplazo directo del Comer L-25J, con la misma relaci\u00f3n de transmisi\u00f3n de 1:1.9, perfil de estr\u00edas de entrada de 1.3\/8-6, di\u00e1metro del eje de salida de 22 mm y patr\u00f3n de pernos de montaje. Esto permite una instalaci\u00f3n id\u00e9ntica en todos los modelos de esparcidoras equipados originalmente con el Comer L-25J sin necesidad de modificaciones. Si la esparcidora ha sido modificada respecto a su configuraci\u00f3n original, verifique siempre las dimensiones de montaje y las especificaciones del eje con su m\u00e1quina espec\u00edfica antes de realizar el pedido.<\/p>\n<p><strong>P: \u00bfQu\u00e9 aceite debo usar en la caja de engranajes del esparcidor de fertilizante L-25J y c\u00f3mo puedo comprobar el nivel de aceite?<\/strong><br \/>\nA: Utilice aceite para engranajes SAE 80W-90 seg\u00fan las especificaciones. Para comprobar el nivel de aceite de la caja de engranajes del esparcidor de fertilizante, coloque el esparcidor en una superficie nivelada, retire el tap\u00f3n de nivel de aceite (ubicado en el lateral de la carcasa) y verifique que haya aceite en la abertura del tap\u00f3n. La caja de engranajes debe estar a temperatura ambiente durante la comprobaci\u00f3n. La capacidad m\u00e1xima de aceite es de 0,35 L. Rellene con 80W-90 si el nivel est\u00e1 por debajo del tap\u00f3n. Evite el sobrellenado, ya que el exceso de aceite puede presurizar la carcasa y acelerar la falla del sello.<\/p>\n<p><strong>P: \u00bfCu\u00e1l es la relaci\u00f3n de transmisi\u00f3n correcta de la caja de engranajes de la esparcidora de fertilizantes para la aplicaci\u00f3n con discos centr\u00edfugos?<\/strong><br \/>\nA: El L-25J funciona con una relaci\u00f3n de transmisi\u00f3n de 1:1,9, lo que significa que el eje de salida gira a 1,9 veces la velocidad de entrada. Con una entrada de toma de fuerza est\u00e1ndar de 540 r\/min, esto produce aproximadamente 1026 r\/min en el eje de salida. Este rango de velocidad es \u00f3ptimo para esparcidoras de discos centr\u00edfugas que manejan fertilizantes NPK granulados y cal con anchos de esparcimiento t\u00edpicos en el campo. Comun\u00edquese con CMN Transmission si su aplicaci\u00f3n requiere una relaci\u00f3n diferente, como 1:1,35 o 1:1,0, ya que hay configuraciones alternativas disponibles.<\/p>\n<p><strong>P: \u00bfSe puede utilizar esta caja de engranajes con una toma de fuerza de 1000 r\/min en lugar de 540 r\/min?<\/strong><br \/>\nA: La L-25J est\u00e1 dise\u00f1ada para una velocidad m\u00e1xima de rotaci\u00f3n de entrada de 540 r\/min. Si la caja de cambios funciona a 1000 r\/min de velocidad de la toma de fuerza (TDF), se superar\u00e1n los l\u00edmites nominales, lo que acortar\u00e1 significativamente la vida \u00fatil de los cojinetes y engranajes, y podr\u00eda provocar fallos en los sellos debido a la elevada presi\u00f3n interna. Si su tractor solo tiene una TDF de 1000 r\/min, p\u00f3ngase en contacto con CMN Transmission para obtener asesoramiento sobre una caja de cambios compatible o sobre el uso de un adaptador reductor de velocidad de la TDF para ajustar la velocidad de entrada al rango nominal.<\/p>\n<p><strong>P: \u00bfCu\u00e1nto tiempo durar\u00e1 la caja de engranajes de la esparcidora de fertilizantes L-25J en condiciones normales de funcionamiento?<\/strong><br \/>\nA: Con el llenado correcto de aceite durante la instalaci\u00f3n, el primer cambio de aceite a las 50-70 horas y los cambios posteriores cada 500 horas o anualmente, los usuarios reportan una vida \u00fatil de 1500 a m\u00e1s de 3000 horas de funcionamiento del L-25J en condiciones normales de esparcimiento agr\u00edcola. La vida \u00fatil depende en gran medida de la disciplina en el mantenimiento del aceite, de evitar el exceso de velocidad de la toma de fuerza (PTO), de la protecci\u00f3n correcta contra sobrecargas en la transmisi\u00f3n y de la limpieza posterior a la temporada para eliminar los dep\u00f3sitos de fertilizante que pueden da\u00f1ar los sellos y las superficies de la carcasa durante el almacenamiento.<\/p>\n<p><strong>P: \u00bfNecesito un embrague antirrebote o un dispositivo de protecci\u00f3n contra sobrecarga con esta caja de cambios?<\/strong><br \/>\nA: CMN Transmission strongly recommends using a PTO shaft fitted with an appropriate slip clutch or shear bolt overload protection device between the tractor PTO output and the gearbox input. The L-25J’s 1000 N\u00b7m torque rating provides working capacity, not overload protection. If the spreading disc strikes an obstacle or a material jam occurs, unprotected shock torque can damage internal gears and bearings in a single event. Overload protection preserves the gearbox investment and is standard practice on all professionally configured spreader drivelines.<\/p>\n<p><strong>P: \u00bfPuede CMN Transmission suministrar cajas de engranajes para esparcidoras de fertilizantes al por mayor para fabricantes de equipos originales o distribuidores?<\/strong><br \/>\nA: Yes. CMN Transmission is an established OEM and aftermarket fertilizer spreader gearbox manufacturer with annual production exceeding 500,000 units across all product lines. Bulk orders with custom branding, modified specifications, or specific packaging requirements can be accommodated through our OEM program. Distributor pricing tiers and minimum order quantities are available on request. CMN Transmission’s CE and ISO 9001 certified production management ensures consistent quality across high-volume orders.<\/p>\n<p><strong>P: \u00bfC\u00f3mo lleno correctamente la caja de cambios L-25J con aceite por primera vez?<\/strong><br \/>\nA: Instale la caja de engranajes en el bastidor del esparcidor en su posici\u00f3n de funcionamiento. Retire el tap\u00f3n de llenado de aceite en la parte superior de la carcasa. Vierta lentamente aceite para engranajes SAE 80W-90 en el orificio de llenado hasta que el aceite alcance la abertura del tap\u00f3n de nivel en el lateral de la carcasa, lo que indica el nivel de llenado correcto de 0,35 L. Vuelva a colocar firmemente los tapones de llenado y de nivel. Haga funcionar la caja de engranajes a baja velocidad durante unos minutos, luego ap\u00e1guela y vuelva a comprobar si hay fugas en ambos tapones y en las salidas del sello del eje antes de proceder a la operaci\u00f3n en el campo.<\/p>\n<p><strong>P: \u00bfCu\u00e1les son los principales tipos de cajas de cambios agr\u00edcolas disponibles en CMN Transmission?<\/strong><br \/>\nA: CMN Transmission manufactures a comprehensive range of agricultural gearboxes including fertilizer spreader gearboxes, flail mower gearboxes, rotary tiller gearboxes, rotary cutter gearboxes, post hole digger gearboxes, round and square baler gearboxes, disc mower gearboxes, feed mixer gearboxes, silage machine gearboxes, combine harvester gearboxes, and irrigation gearboxes, covering nearly one thousand specifications. Custom agricultural gearboxes based on customer drawings or OEM samples are also available. Contact CMN Transmission’s technical team to discuss your specific gearbox requirements.<\/p>\n<p><strong>P: \u00bfQu\u00e9 configuraciones de montaje est\u00e1n disponibles para el L-25J de Comer y el repuesto CMN coincide con ellas?<\/strong><br \/>\nA: According to the Comer L-25J technical catalog (Code 124.8, section 3.02), the original gearbox is available in multiple shaft and mounting configurations including 1″ 3\/8 Z6 input splines and various Z output combinations. The CMN L-25J is supplied in the standard configuration matching the most common market variant. If your spreader uses a non-standard Comer variant, contact CMN Transmission with the Comer code number from your original gearbox label and we will confirm compatibility or identify the correct replacement specification from our range.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8037 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3.webp\" alt=\"Caja de engranajes del esparcidor de fertilizantes L-25J 1-3\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Opiniones de los clientes<\/h2>\n<p><strong>Alejandro Rodr\u00edguez | Cultivos | Argentina<\/strong><br \/>\n“We manage about 1,200 ha of wheat and corn in the Pampas region and use several centrifugal spreaders for our fertilizer program. We replaced three worn gearboxes with the CMN L-25J mid-season and honestly could not believe how easy it was. Arrived in Buenos Aires in good condition, the spline was identical to our existing driveshafts, and we had them all running within an hour. After doing the first oil change at 60 hours as instructed, everything was clean inside, no metal particles, no wear at all. Very impressed with the quality at this price point.”<\/p>\n<p><strong>James Harrison | Cultivo de cereales | Reino Unido<\/strong><br \/>\n“Been running Comer gearboxes for years but the cost of OEM replacements has gotten ridiculous. Tried the CMN L-25J as a replacement on one of our Amazone ZA-M spreaders and I genuinely cannot tell the difference in the field. Spread pattern is spot on, no vibration, fits perfectly. Ordered three more for the season after that. The customer service team answered my technical questions about the mounting dimensions quickly too, which made the decision easy. Would definitely recommend to other contractors looking to reduce parts costs.”<\/p>\n<p><strong>Klaus M\u00fcller | Agricultura | Alemania<\/strong><br \/>\n“Ordered two L-25J units to replace worn gearboxes on our Rauch spreaders before the autumn application window. Shipping to Bavaria was faster than expected, about 12 days, and the packaging was solid with no transit damage. Spline fit was correct, oil seals looked high quality, and after filling with 80W-90 as specified they ran smoothly from day one. We put about 200 hours on them through the season spreading compound NPK and lime with no issues. Will be our go-to replacement source from now on. Sehr gut.”<\/p>\n<p><strong>Marco Vitale | Horticultura y Viveros | Italia<\/strong><br \/>\n“I use these gearboxes on compact spreaders for our vegetable and greenhouse operations. The aluminium housing is perfect for our indoor climate where standard iron gearboxes rust fast. The 22mm output shaft fitted our disc hub directly without any modification. I was initially skeptical about a Korean replacement for the Comer original but the quality is genuinely comparable. Weight is just 4.1 kg which matters when you are moving equipment around a busy nursery. Placed a second order after six months of trouble-free use.”<\/p>\n<p><strong>David Patterson | Gesti\u00f3n de pastos | Australia<\/strong><br \/>\n“Needed a gearbox urgently mid-season for topdressing pastures before the autumn break and the CMN team organized express shipping to Victoria that got it here in time. Fitted straight onto our old spreader frame, 1.3\/8 spline matched perfectly to our driveshaft. Been spreading lime and superphosphate for about 300 hours since fitting. The aluminium housing handles our wet conditions far better than the old iron unit did and the seals show no signs of fertilizer leakage. Will be recommending CMN to other farmers in our district.”<\/p>\n<p><strong>Pierre Laurent | Mantenimiento de vi\u00f1edos | Francia<\/strong><br \/>\n“We use these on our inter-row spreaders in the vineyards for potassium and micronutrient application. The price is significantly better than sourcing through local dealers and the quality has been excellent. Two units running now for a full season without any problems, which is impressive given we work on slopes where vibration from uneven ground is hard on equipment. The technical datasheet they provided showed all the dimensions clearly which made it easy to confirm fit before ordering. Fast response to email questions too.”<\/p>\n<p><strong>Robert Thompson | Maquinaria agr\u00edcola | Canad\u00e1<\/strong><br \/>\n“We stock the CMN L-25J gearboxes as a service part for customer spreaders and the sell-through has been very strong. Price point is about 35% lower than OEM Comer and quality has been consistent across every unit we have sold. No warranty returns in two seasons which says everything you need to know. Packaging is good for retail display. CMN’s technical support documents are detailed enough that our parts staff can answer customer fitment questions without needing to escalate. Shipping from Korea to Ontario has consistently been 10 to 14 days.”<\/p>\n<p><strong>Ravi Sharma | Cultivo de ca\u00f1a de az\u00facar | India<\/strong><br \/>\n“Difficult to source quality gearbox parts in our region so we ordered directly from CMN. The L-25J arrived well packed and the spline matched our PTO driveshaft without any adapter needed. We use it on a disc spreader for urea and potash application across about 80 hectares per season. Runs hot here but the aluminium housing handles heat well. Oil level easy to check and change. Communication with CMN was good throughout. Would order again and have already passed the contact details to two neighboring farmers who need the same part.”<\/p>\n<p><strong>Carlos Mart\u00ednez | Gesti\u00f3n de campos de golf | Espa\u00f1a<\/strong><br \/>\n“We use a PTO-driven spreader for fertilizer applications across the course fairways and rough areas. Our old Comer gearbox was becoming unreliable and the OEM replacement price was difficult to justify. The CMN L-25J arrived quickly, installed without any issues, and the disc speed on our spreader is identical to what we had before with the original unit. After one full season of use across about 40 hectares of turf we have had zero problems. The gearbox exterior cleans up easily after each use which matters for presentation on a golf property. Very satisfied.”<\/p>","protected":false},"excerpt":{"rendered":"<p>La caja de engranajes para esparcidor de fertilizante L-25J, con relaci\u00f3n 1:1.9, es un componente esencial de la maquinaria agr\u00edcola, dise\u00f1ada espec\u00edficamente para tareas como la preparaci\u00f3n del suelo, el tratamiento de cultivos y la aplicaci\u00f3n de fertilizantes. Ubicada en el centro de la m\u00e1quina, transmite la potencia de la toma de fuerza (TDF) del tractor a los discos o sinfines giratorios que distribuyen uniformemente el fertilizante en los campos. Dise\u00f1ada para ofrecer durabilidad y fiabilidad, esta caja de engranajes garantiza una transmisi\u00f3n de potencia constante para satisfacer las diversas necesidades operativas en diferentes entornos agr\u00edcolas.<\/p>","protected":false},"featured_media":8036,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"The L-25J Fertilizer Spreader Gearbox Ratio 1:1.9 Replacement for Comer L-25J Gearbox, also called a fertilizer distributor gearbox, is an essential component of agricultural machinery, specifically designed for tasks such as soil preparation, crop treatment, and fertilizer spreading. Located at the center of the machine, it transmits power from the tractor's power take-off (PTO) to the spinning discs or augers that evenly distribute fertilizer across the fields. Engineered for durability and reliability, this fertilizer spreader gearbox ensures consistent power transmission to meet varying operational demands across diverse farm environments.\r\n\r\nEquipped with precision-cut gears and hardened shafts, this agricultural gearbox adjusts rotational speed and torque based on the spreading requirements, optimizing machine performance throughout the season. With a gear ratio of 1:1.9, an aluminium housing that keeps unit weight down to just 4.1 kg, and compatibility with standard 1.3\/8-6 spline PTO shafts running at 540 r\/min, this gearbox is built to withstand the rigorous conditions of agricultural work. Whether applied in grain farming, vegetable cultivation, pasture management, or horticulture, this fertiliser spreader gearbox plays a crucial role in enhancing the efficiency and effectiveness of fertilizer application programs while reducing operator input and maximizing yield outcomes.\r\n\r\n<img class=\"aligncenter wp-image-8036 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9.webp\" alt=\"L-25J Fertilizer Spreader Gearbox 1-1.9\" width=\"800\" height=\"800\" \/>\r\n<h2>Technical Parameters<\/h2>\r\n<table style=\"height: 629px; width: 100%;\" contenteditable=\"true\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\r\n<tbody>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Model<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">L-25J Gearbox 1:1.9<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Replace Brand<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">Comer<\/td>\r\n<\/tr>\r\n<tr style=\"height: 95px;\">\r\n<td style=\"height: 95px; width: 47.0658%; text-align: center;\"><strong>Product details<\/strong><\/td>\r\n<td style=\"height: 95px; width: 52.6947%;\">-All gearboxes are supplied without oil.\r\n-First oil change after 50-70 operating hours, then after 500-700 operating hours, or at least once a year.\r\n-Contact us for power at a different RPM.<\/td>\r\n<\/tr>\r\n<tr style=\"height: 71px;\">\r\n<td style=\"height: 71px; width: 47.0658%; text-align: center;\"><strong>Application range<\/strong><\/td>\r\n<td style=\"height: 71px; width: 52.6947%;\">\r\n<div class=\"list-item\">-Various (agricultural) applications\r\n-Mowers\r\n-Multi-row rotary tillers\r\n-Band saws<\/div><\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Ratio factor<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">1:1.9<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Max. input power<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">11 kW<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Max. input rotation speed<\/strong><\/td>\r\n<td style=\"width: 52.6947%; height: 23px;\">540\u00a0r\/min<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 25px; width: 47.0658%; text-align: center;\"><strong>Max. output power<\/strong><\/td>\r\n<td style=\"height: 25px; width: 52.6947%;\">11 kW<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Max. output power<\/strong><\/td>\r\n<td style=\"width: 52.6947%; height: 23px;\">15 HP<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Max. output torque<\/strong><\/td>\r\n<td style=\"width: 52.6947%; height: 23px;\">1000 N\u00b7m<\/td>\r\n<\/tr>\r\n<tr style=\"height: 47px;\">\r\n<td style=\"height: 47px; width: 47.0658%; text-align: center;\"><strong>Connection 1 Outside Diameter inch and splines<\/strong><\/td>\r\n<td style=\"height: 47px; width: 52.6947%;\">1.3\/8-6<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Connection 2 outside diameter<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">22 mm<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Gear arrangement reducing<\/strong><\/td>\r\n<td style=\"width: 52.6947%; height: 23px;\">1-2<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Contains oil<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">No<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Max. oil capacity<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">0.35\u00a0L<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Max. oil change<\/strong>\u00a0<strong>interval<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">500 h<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Oil SAE viscosity grade<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">80W-90<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Housing material<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">Aluminium<\/td>\r\n<\/tr>\r\n<tr style=\"height: 23px;\">\r\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Weight<\/strong><\/td>\r\n<td style=\"height: 23px; width: 52.6947%;\">4.1 kg<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nWe have completed a third-party supplier audit and company verification supported by SGS \/ T\u00dcV Rheinland. This verification helps buyers review company identity, business operations, supplier profile and general manufacturing capability. Product-specific inspection reports, material documents or compliance records can be provided according to order requirements.\r\n\r\n<strong>Minimum Order Quantity (MOQ):<\/strong>\u00a0Flexibly set based on the product type and order amount.\r\n\r\n<strong>Samples:<\/strong>\u00a0New customers may request 1\u20135 samples under appropriate circumstances.\r\n\r\n<strong>Mixed Orders:<\/strong>\u00a0Combining different models is supported; the total order amount must reach approximately $1,500.\r\n\r\n<strong>Small Orders:<\/strong>\u00a0Orders starting from 1\u20132 pieces are supported, but the unit price will be relatively higher.\r\n\r\n<strong>Lead Time:<\/strong>\u00a010\u201325 working days for standard parts; 20\u201345 working days for customized components; 45\u2013120 working days for project-based equipment.\r\n\r\n<strong>Trade Terms:<\/strong>\u00a0EXW, FOB, CIF, and DAP are generally supported; FCA, CFR, CPT, CIP, and DDP terms can be specifically negotiated.\r\n<h2>L-25J Fertilizer Spreader Gearbox Dimensions<\/h2>\r\n<img class=\"aligncenter wp-image-8106 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-1.webp\" alt=\"L-25A Fertilizer Spreader Gearbox Dimensions\" width=\"1600\" height=\"820\" \/> <img class=\"aligncenter wp-image-8107 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-2.webp\" alt=\"L-25A Fertilizer Spreader Gearbox Dimensions\" width=\"1600\" height=\"1300\" \/> <img class=\"aligncenter wp-image-8108 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-Dimensions-3.webp\" alt=\"L-25A Fertilizer Spreader Gearbox Dimensions\" width=\"1200\" height=\"1500\" \/>\r\n<h2>Key Features of the L-25J Fertilizer Spreader Gearbox 1:1.9<\/h2>\r\n1. PTO Interface &amp; Spline Compatibility\r\nThe input shaft is machined to match the standard 1.3\/8-6 tractor PTO spline profile, ensuring a direct, vibration-free fit with most common tractor drivelines running at 540 r\/min. Correct PTO matching eliminates misalignment, reduces mechanical wear, and prevents premature bearing failure. Our gearboxes are supplied ready to couple without any adapter modification, significantly reducing installation time and complexity for operators in the field.\r\n\r\n2. Optimized Gear Ratio &amp; Output Options\r\nThe 1:1.9 gear ratio is carefully selected to deliver the ideal disc RPM range for centrifugal fertilizer spreading. This speed-up configuration takes 540 r\/min PTO input and boosts output speed to achieve precise, wide-coverage spreading arcs. The 22 mm diameter output shaft supports standard disc and agitator mounts across a broad range of OEM fertilizer spreader machines. Contact CMN Transmission for custom ratio configurations where different spreading widths or granule types require tailored output speeds.\r\n\r\n3. Corrosion-Resistant Construction\r\nFertilizer environments are chemically aggressive: nitrogen, potash, and phosphate compounds attack unprotected metal surfaces rapidly. This gearbox features an aluminium alloy housing that resists corrosion naturally, combined with high-quality lip seals and sealed bearings that block moisture ingress and fertilizer dust contamination. Internal gear surfaces and shafts are treated to resist chemical attack during extended spreading seasons. This makes the L-25J particularly well suited to operators handling corrosive compound fertilizers in wet or tropical climates.\r\n\r\n4. Agitator &amp; Disc Drive Integration\r\nThe L-25J is designed to integrate smoothly with both spinning disc systems and agitator-driven spreader configurations. In single-disc designs, the output shaft connects directly to the disc hub. In twin-disc or agitator-inclusive models, the gearbox provides a consistent torque supply that prevents material bridging in the hopper while simultaneously powering the main spread disc. This dual functional design makes the gearbox a versatile core component across multiple spreader platform types from compact trail spreaders to wide-boom trailed machines.\r\n\r\n5. Serviceability in Field Conditions\r\nThe L-25J gearbox is designed with operator serviceability in mind. Oil fill, drain, and level check points are conveniently positioned and accessible without removing the gearbox from the machine. The maximum oil capacity of 0.35 L and the recommended 80W-90 SAE grade gear oil are industry-standard, available at any agricultural supply outlet globally. The first oil change interval at 50-70 operating hours allows early detection of any break-in wear particles, while the 500-hour or annual standard interval makes scheduled maintenance simple and predictable for farm managers.\r\n\r\n6. Wide Range of Agricultural Applications\r\nBeyond fertilizer spreading, the L-25J gearbox is rated for mowers, multi-row rotary tillers, and band saw applications, making it one of the most versatile compact gearboxes in the agricultural machinery segment. Its 11 kW \/ 15 HP power handling and 1000 N\u00b7m maximum output torque cover the full working range of light to medium-duty implements. Whether you operate mixed grain and forage systems or dedicated horticulture enterprises, this agricultural gearbox for fertilizer spreader delivers reliable performance season after season without the premium cost of OEM replacement parts.\r\n\r\n<img class=\"aligncenter wp-image-8036 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-1.9.webp\" alt=\"L-25J Fertilizer Spreader Gearbox 1-1.9\" width=\"800\" height=\"800\" \/>\r\n<h2>How Does the L-25J Fertilizer Spreader Gearbox Work<\/h2>\r\nThe L-25J fertilizer spreader gearbox receives rotational power from the tractor's PTO shaft at a standard input speed of 540 r\/min. Through a precisely engineered 1:1.9 gear arrangement, it converts this input into a higher output speed suited to driving centrifugal spreading discs. The gear pair within the aluminium housing are helical or bevel-cut to minimize noise and vibration during operation, while the gear reduction arrangement (type 1-2) ensures the output shaft delivers the correct torque multiplied force required to overcome the inertia of a loaded hopper disc even under full-load spreading conditions. This smooth, consistent power flow is what distinguishes a quality fertilizer distributor gearbox from lower-grade alternatives that exhibit speed fluctuation and uneven spread patterns.\r\n\r\nThe aluminium alloy housing of the L-25J naturally dissipates heat generated during sustained PTO operation, maintaining internal lubricant film integrity even during extended fertilizer application runs in warm climates. The housing is engineered with machined bearing seats that maintain dimensional accuracy over the life of the gearbox, preventing the wobble and side-load on output shafts that is common in cheaper cast-steel alternatives. High-quality lip seals at both the input and output shaft exits provide a reliable barrier against fertilizer dust, mud, and moisture intrusion. The gearbox is pre-fitted with all internal components and shipped dry, allowing the operator to fill with the locally available 80W-90 gear oil before first use. Internal oil capacity of 0.35 L is sufficient to maintain full lubrication of all gear and bearing contact surfaces throughout the 500-hour service interval.\r\n\r\nThe relationship between gearbox torque output and fertilizer spread pattern quality is direct: inconsistent torque output leads to disc speed variation, which in turn produces uneven spread width and application rate. The L-25J is rated to a maximum output torque of 1000 N\u00b7m, providing a substantial torque reserve above normal working loads. This reserve capacity means the disc speed remains stable even when hopper blockages, material clumping, or sudden load surges occur. The stable disc speed translates into consistent spreading widths and accurate application rates, which are critical for achieving uniform nutrient distribution across large field areas and preventing both over- and under-application zones that waste expensive fertilizer inputs.\r\n\r\nWhile the L-25J gearbox itself is a mechanically robust power transmission unit, it is designed to be used in combination with a compatible PTO shaft fitted with a slip clutch or shear bolt overload protection system. In the event of a foreign object or material jam at the spread disc or agitator, the overload protection upstream of the gearbox interrupts the torque transmission before damaging loads reach the gearbox internal components. This system-level approach to overload protection ensures the gearbox investment is protected throughout its operational life, minimizing the risk of catastrophic gear failure that would otherwise require a complete gearbox replacement rather than a simple shear bolt change.\r\n\r\n<img class=\"aligncenter wp-image-8164 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-8.webp\" alt=\"Fertilizer Spreader Gearbox\" width=\"1200\" height=\"820\" \/>\r\n<h2>Application Fields<\/h2>\r\n<div>\r\n<h3>Grain Farming<\/h3>\r\nEssential for uniform application of nitrogen, phosphate, and potassium fertilizers across wheat, corn, barley, and rice crops. The precise 1:1.9 ratio delivers stable disc speeds that ensure even coverage over wide passes, maximizing nutrient uptake and supporting the high yield targets demanded in commercial grain production systems. The gearbox integrates seamlessly with most centrifugal spreader platforms used in broadacre grain operations.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Vegetable Farming<\/h3>\r\nIn vegetable production, nutrient precision is critical to crop quality and safety. The L-25J gearbox enables accurate spreading of granular fertilizers across brassicas, root crops, and salad greens at the correct application rates, reducing the risk of nutrient burn or soil salt buildup. Its lightweight 4.1 kg aluminium housing makes it suitable for use on compact spreaders maneuvering through narrow bed systems and market garden layouts.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Fruit Farming<\/h3>\r\nFruit orchards and berry farms require targeted fertilizer application at defined growth stages without contaminating foliage or fruit. This\u00a0fertilizer gearbox\u00a0powers spreader discs that deliver fertilizer granules precisely into the tree or vine root zone, supporting optimum fruit set and size development. The compact gearbox dimensions allow integration into inter-row spreader systems used between established trees in commercial orchards.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Pasture Management<\/h3>\r\nIn livestock farming, even fertilizer distribution across permanent pastures directly impacts forage quality and carrying capacity. The L-25J gearbox ensures consistent disc speeds across variable terrain, maintaining spread width uniformity even on sloping pasture ground. Uniform lime and nitrogen application supported by this gearbox promotes balanced sward growth, reducing bare patches and weed ingress that reduce pasture productivity in intensive grazing systems.\r\n<h3>Orchards &amp; Vineyards<\/h3>\r\nPrecision spreading around delicate root systems in orchards and vineyards demands a gearbox that delivers controlled, repeatable disc performance. The L-25J supports targeted application of potassium, boron, and zinc-based fertilizers that fruit crops require during key development windows. The gearbox adapts readily to pendulum or disc spreader systems configured for inter-row use in high-density orchard plantings, where accurate placement prevents nutrient waste and reduces surface runoff risk.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Lawn &amp; Turf Management<\/h3>\r\nSports turf managers and golf course superintendents rely on precise, customizable fertilizer application for healthy, uniform grass sward. The 1:1.9 ratio gearbox delivers stable disc RPM for fine-granule turf fertilizers that require consistent spread width to prevent striping. The compact and lightweight aluminium housing is suited to the smaller spreader platforms commonly deployed on sports pitches, golf fairways, and premium lawn maintenance operations.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Horticulture &amp; Nurseries<\/h3>\r\nGreenhouse and nursery operations use controlled-release and soluble granular fertilizers where precise placement is critical. This agricultural gearbox provides the consistent torque delivery needed to power spreader systems in confined growing environments. Its corrosion-resistant aluminium housing withstands the humid, fertilizer-laden atmosphere of protected cultivation facilities, maintaining reliable operation across long growing season without the housing degradation common in iron-bodied gearboxes.\r\n<h3>Landscaping &amp; Gardening<\/h3>\r\nFor small-scale gardens, flower beds, and amenity landscaping projects, compact spreaders powered by the L-25J gearbox enable controlled fertilizer spreading that enhances plant vitality and establishment. The precise 1:1.9 ratio allows fine adjustment of spread width to match plot boundaries, preventing product waste on hard surfaces and protecting adjacent watercourses. Its lightweight aluminium housing adds minimal weight to compact spreader equipment designed for maneuvering in restricted garden environments.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Soil Amendments &amp; Lime Spreading<\/h3>\r\nFertilizer spreader gearboxes are highly effective for distributing soil amendment materials including agricultural lime, gypsum, and organic compost granules. These materials typically require higher torque at startup due to their bulk density, and the L-25J's 1000 N\u00b7m torque ceiling handles such loads comfortably. Uniform lime application supported by this gearbox corrects soil pH across large field areas efficiently, reducing the number of passes required and minimizing soil compaction from machinery traffic.\r\n\r\n<\/div>\r\n<img class=\"aligncenter wp-image-8092 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-1.webp\" alt=\"Fertilizer Spreader Gearbox Applications\" width=\"1200\" height=\"900\" \/>\r\n<h2>L-25J Fertilizer Spreader Gearbox Parts<\/h2>\r\nGearbox Housing\r\nThe aluminium alloy housing forms the structural foundation of the L-25J. Precision die-cast and machined to tight dimensional tolerances, it maintains accurate bearing seat geometry and gear mesh alignment throughout the product's service life. The aluminium material provides excellent thermal conductivity to dissipate heat during sustained operation, while its natural corrosion resistance makes it ideal for the aggressive chemical environment of fertilizer application.\r\n\r\nInput Shaft\r\nThe hardened and ground input shaft features a 1.3\/8-6 spline profile that connects directly to the tractor PTO driveshaft. The shaft is manufactured from high-grade alloy steel, case-hardened to ensure the spline teeth resist wear even after repeated coupling and uncoupling cycles. Proper input shaft condition is critical for maintaining a vibration-free connection between the PTO driveline and the gearbox internal gear pair.\r\n\r\nBevel Gears\r\nThe bevel gear pair is the heart of the L-25J's power transmission. Precision-machined from case-hardened alloy steel and lapped to achieve optimized tooth contact patterns, these gears convert the direction of power flow while stepping up the rotational speed at the 1:1.9 ratio. Correct gear mesh and lubrication of the bevel set directly determines spread uniformity, noise level, and the overall operational life of the gearbox assembly.\r\n\r\nOutput Shaft\r\nThe output shaft, with its 22 mm outside diameter, is the connection point between the gearbox and the spreading disc or agitator. Machined from high-tensile steel with a ground bearing journal and keyway, it transmits the boosted speed and torque from the gear pair directly to the spreading mechanism. The shaft is supported by precision bearings at both inboard and outboard positions to handle the combined radial and axial loads from the spinning disc assembly.\r\n\r\nBearings\r\nDeep groove ball bearings or tapered roller bearings are used at each shaft support position within the L-25J. These are selected for their ability to carry the combined radial loads from gear mesh forces and the axial loads from disc weight and centrifugal spreading forces. Pre-greased sealed bearings at the output shaft exit prevent fertilizer ingress, while the input shaft bearing is lubricated by the 80W-90 gear oil bath that circulates within the gearbox housing.\r\n\r\nOil Seals\r\nHigh-quality NBR rubber lip seals are fitted at each shaft exit point to prevent oil leakage from the housing and block ingress of fertilizer dust, moisture, and field contamination. In the aggressive chemical environment of fertilizer spreading, seal quality is paramount: inferior seals deteriorate rapidly when exposed to nitrogen and phosphate compounds, leading to oil loss, bearing starvation, and accelerated internal wear. Replacement seals are a standard <a href=\"https:\/\/korea-transmission.com\/products\/fertilizer-spreader-gearbox\/\"><strong>fertilizer spreader gearbox<\/strong><\/a> part that should be inspected at each service interval.\r\n\r\nLubrication System\r\nThe L-25J uses a splash lubrication system where the lower gear immerses in the 0.35 L oil sump and throws lubricant across gear teeth and bearing contact surfaces during rotation. The specified 80W-90 SAE gear oil provides an adequate viscosity film at normal operating temperatures, protecting all internal surfaces from metal-to-metal contact. The oil fill and drain plugs are accessible from outside the housing for convenient oil changes at the recommended 500-hour intervals without removing the gearbox from the spreader frame.\r\n\r\nHousing Gaskets &amp; Fasteners\r\nThe split-line gasket between housing halves is manufactured from oil-resistant material to maintain an oil-tight seal even under the thermal cycling conditions experienced during seasonal agricultural use. Stainless-grade or zinc-plated housing fasteners resist the surface corrosion caused by fertilizer splash, ensuring secure reassembly after service and preventing the galvanic corrosion between fastener and aluminium housing that can seize bolts after extended outdoor storage.\r\n\r\n<img class=\"aligncenter wp-image-8073 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5.webp\" alt=\"Fertilizer Spreader Gearbox\" width=\"1000\" height=\"1000\" \/>\r\n<h2>Common Troubleshooting<\/h2>\r\n<div>\r\n<h3>Oil Leakage from Shaft Exits<\/h3>\r\nOil seeping around the input or output shaft typically indicates worn or damaged lip seals. This is often caused by extended operation without service, fertilizer chemical degradation of the seal rubber, or shaft scoring. Drain the oil, inspect the shaft surface for scoring marks, replace both seals, refill with fresh 80W-90 oil, and check that the housing fasteners are tightened to the specified torque before returning to service.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Unusual Noise During Operation<\/h3>\r\nGrinding or whining sounds from the gearbox indicate gear wear, bearing damage, or critically low oil level. First check the\u00a0fertilizer spreader gearbox oil level\u00a0via the level plug with the machine on level ground. If oil level is correct, drain and inspect the oil for metal particles. Excessive metallic contamination confirms internal gear or bearing wear requiring a professional gearbox inspection and component replacement before further use.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Uneven Fertilizer Spread Pattern<\/h3>\r\nInconsistent spread width or striping in the field can result from disc speed variation caused by internal gear wear or incorrect PTO speed. Confirm the tractor PTO is operating at the rated 540 r\/min. Check the output shaft for wobble or play that could indicate worn output bearings. Verify disc vane condition and ensure the disc is correctly secured to the output shaft keyway and retaining hardware is tight and undamaged.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Overheating Gearbox Housing<\/h3>\r\nExcessive housing temperature during operation points to inadequate lubrication, incorrect oil viscosity, or overloading beyond the 11 kW \/ 1000 N\u00b7m rated limits. Check and correct the oil level immediately, ensure 80W-90 SAE grade oil is used rather than a thicker or thinner alternative, and verify that the machine application rate and material density are within the spreader's design capacity. Continuing to operate an overheating gearbox will accelerate gear and bearing wear substantially.\r\n\r\n<\/div>\r\n<div>\r\n<h3>PTO Vibration at Connection Point<\/h3>\r\nVibration at the PTO-to-gearbox interface suggests a worn or damaged input shaft spline, a mismatched PTO shaft profile, or a worn PTO driveshaft universal joint. Inspect the 1.3\/8-6 input spline for radial play and tooth wear. Confirm PTO driveshaft yoke angles are within the manufacturer's specified limits. Excessive angularity at the PTO shaft causes cyclic torque variation that accelerates internal gear fatigue and reduces gearbox lifespan significantly.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Output Shaft Will Not Turn<\/h3>\r\nA seized or non-rotating output shaft with PTO engaged usually indicates a complete bearing seizure from oil starvation, or a jammed disc resulting from foreign object impact. Disengage PTO immediately and check for external blockages at the disc. If no external obstruction is present, the gearbox requires workshop inspection for bearing or gear seizure. Do not attempt to force-rotate a seized output shaft as this will cause further internal damage.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Cloudy or Milky Oil on Inspection<\/h3>\r\nMilky or emulsified oil appearance when checking the drain plug confirms water contamination inside the gearbox, typically from seal failure or a cracked housing allowing moisture entry after pressure washing. Drain all contaminated oil completely, flush with clean mineral oil, inspect and replace seals and any cracked housing components, and refill with fresh 80W-90 gear oil. Water-contaminated oil loses its lubricating film strength rapidly and causes accelerated gear and bearing pitting.\r\n\r\n<\/div>\r\n<div>\r\n<h3>Housing Cracks or Physical Damage<\/h3>\r\nHairline cracks or impact fractures in the aluminium housing typically result from collision with field obstacles, incorrect mounting without vibration isolation, or overtightened mounting bolts that stress the casting. Minor surface cracks can sometimes be repaired with epoxy metal repair compounds as a temporary field fix, but a cracked housing that breaches the oil chamber requires gearbox replacement. Contact CMN Transmission for replacement housing availability and current pricing for your L-25J unit.\r\n\r\n<\/div>\r\n<img class=\"aligncenter wp-image-8052 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2.webp\" alt=\"Fertilizer Spreader Gearbox\" width=\"1200\" height=\"820\" \/>\r\n<h2>Fertilizer Spreader Gearbox vs Flail Mower Gearbox<\/h2>\r\n<h3>What Is a Fertilizer Spreader Gearbox?<\/h3>\r\nA\u00a0fertilizer spreader gearbox, also called a\u00a0fertilizer distributor gearbox, is an essential component of agricultural machinery specifically designed for tasks such as soil preparation, crop treatment, and fertilizer spreading. Located at the center of the machine, it transmits power from the tractor's PTO to the spinning discs or augers that evenly distribute fertilizer across the fields. These gearboxes are engineered for durability and reliability, ensuring consistent power transmission to meet varying operational demands. They are equipped with a series of gears and shafts that adjust the rotational speed and torque based on spreading requirements, optimizing machine performance.\r\n<h4>Advantages of Fertilizer Spreader Gearboxes<\/h4>\r\n<ul>\r\n \t<li><strong>Precision application:<\/strong>\u00a0Delivers consistent disc speed that translates to repeatable spreading widths and application rates across varying field conditions and material types.<\/li>\r\n \t<li><strong>Corrosion resistance:<\/strong>\u00a0Aluminium housing and sealed internal components resist chemical attack from nitrogen, potash, and phosphate fertilizers over multiple seasons.<\/li>\r\n \t<li><strong>Lightweight design:<\/strong>\u00a0At 4.1 kg, the L-25J adds minimal weight to the spreader frame, reducing the implement's total mass and improving tractor fuel efficiency during field operations.<\/li>\r\n \t<li><strong>Speed-up capability:<\/strong>\u00a0The 1:1.9 ratio converts standard 540 r\/min PTO speed into the higher disc RPM needed for centrifugal spreading without requiring a separate step-up gearbox in the driveline.<\/li>\r\n \t<li><strong>Multi-application compatibility:<\/strong>\u00a0Functions across mowers, rotary tillers, and band saw applications in addition to fertilizer spreading, offering value across multiple machine types on a mixed farm.<\/li>\r\n<\/ul>\r\n<h4>Applications of Fertilizer Spreader Gearboxes<\/h4>\r\n<ul>\r\n \t<li>Centrifugal twin-disc and single-disc fertilizer spreaders for arable and horticultural crops<\/li>\r\n \t<li>Lime and soil amendment spreaders for pH correction programs<\/li>\r\n \t<li>Pendulum spreaders used in vegetable and fruit farm precision application<\/li>\r\n \t<li>Sports turf and golf course fertilizer application equipment<\/li>\r\n \t<li>Pasture topdressing systems in dairy and sheep farming operations<\/li>\r\n<\/ul>\r\n<h3>What Is a Flail Mower Gearbox?<\/h3>\r\nA flail mower gearbox is the essential power transmission component in a flail mower, designed to efficiently convert the tractor's PTO power into the necessary torque for effective vegetation cutting. Constructed from high-quality materials such as cast iron or aluminium alloy, these gearboxes are built to withstand heavy-duty mowing operations involving high rotor inertia and impact loads from stones and debris. The gearbox houses interlocking spur, worm, or bevel gears encased in a robust housing that protects internal components from dirt and plant debris. Regular lubrication ensures smooth operation and extends the gearbox's lifespan under demanding cutting conditions.\r\n<h4>Advantages of Flail Mower Gearboxes<\/h4>\r\n<ul>\r\n \t<li><strong>High torque capacity:<\/strong>\u00a0Designed to handle the shock loads generated when flail blades strike rocks, stumps, and dense vegetation without catastrophic gear failure.<\/li>\r\n \t<li><strong>Speed reduction:<\/strong>\u00a0Steps down from PTO input speed to a lower, higher-torque rotor RPM suited to heavy vegetation cutting without overspeeding the flail blade tips.<\/li>\r\n \t<li><strong>Robust housing:<\/strong>\u00a0Cast iron or heavy-gauge aluminium housings withstand the vibration and impact transmitted back through the driveline from rotor strikes in rough terrain.<\/li>\r\n \t<li><strong>Overload protection compatibility:<\/strong>\u00a0Designed to work with slip clutch or shear bolt protection systems that prevent gearbox damage when rotor blockages occur in heavy grass or crop residue.<\/li>\r\n<\/ul>\r\n<h4>Applications of Flail Mower Gearboxes<\/h4>\r\n<ul>\r\n \t<li>Roadside and verge mowing operations in highway maintenance<\/li>\r\n \t<li>Orchard floor vegetation management and undergrowth control<\/li>\r\n \t<li>Crop residue chopping and mulching after harvest<\/li>\r\n \t<li>Land clearing and scrub reduction on difficult terrain<\/li>\r\n \t<li>Vineyard row management and grass suppression between vine rows<\/li>\r\n<\/ul>\r\n<h3>Comparison Table:<\/h3>\r\n<div>\r\n<table style=\"height: 400px; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\r\n<thead>\r\n<tr>\r\n<th style=\"text-align: center;\">Feature<\/th>\r\n<th style=\"text-align: center;\">Fertilizer Spreader Gearbox<\/th>\r\n<th style=\"text-align: center;\">Flail Mower 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;\">Drive spinning discs \/ augers for fertilizer spreading<\/td>\r\n<td style=\"text-align: center;\">Drive flail rotor for vegetation cutting and mulching<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Typical Gear Ratio<\/td>\r\n<td style=\"text-align: center;\">Speed-up (e.g. 1:1.9 for centrifugal disc drive)<\/td>\r\n<td style=\"text-align: center;\">Speed reduction (e.g. 1.3:1 to 2.9:1 for rotor drive)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Load Character<\/td>\r\n<td style=\"text-align: center;\">Smooth, steady torque; low shock loading<\/td>\r\n<td style=\"text-align: center;\">High shock and impact loading from debris strikes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Housing Material<\/td>\r\n<td style=\"text-align: center;\">Aluminium (lightweight, corrosion resistant)<\/td>\r\n<td style=\"text-align: center;\">Cast iron or aluminium alloy (heavy-duty impact resistance)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Weight<\/td>\r\n<td style=\"text-align: center;\">Lightweight (L-25J: 4.1 kg)<\/td>\r\n<td style=\"text-align: center;\">Heavier (typically 15-50 kg depending on model)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Corrosion Requirements<\/td>\r\n<td style=\"text-align: center;\">Critical: exposure to fertilizer chemicals is continuous<\/td>\r\n<td style=\"text-align: center;\">Moderate: grass and crop debris exposure<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Oil Capacity<\/td>\r\n<td style=\"text-align: center;\">Small (0.35 L for L-25J)<\/td>\r\n<td style=\"text-align: center;\">Larger (1.5 to 5 L depending on size)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Typical Application<\/td>\r\n<td style=\"text-align: center;\">Fertilizer and lime spreading, seed spreading<\/td>\r\n<td style=\"text-align: center;\">Roadside mowing, orchard grass management, mulching<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"text-align: center;\">Overload Protection<\/td>\r\n<td style=\"text-align: center;\">PTO slip clutch recommended upstream<\/td>\r\n<td style=\"text-align: center;\">Slip clutch or shear bolt protection essential<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<img class=\"aligncenter wp-image-8074 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-6.webp\" alt=\"Fertilizer Spreader Gearbox\" width=\"1000\" height=\"1000\" \/>\r\n<h2>Fertilizer Spreader Gearbox and PTO Drive Shaft<\/h2>\r\nFertilizer spreader gearboxes transfer power from the tractor's PTO to the spinner discs or agitators that distribute fertilizer, seed, or granular amendments. The gearbox reduces or steps up PTO rotational speed, adjusts torque, and ensures consistent spreading performance across varying ground speeds and material types. The L-25J's durable, corrosion-resistant aluminium design withstands harsh fertilizer environments for multiple seasons without housing degradation. It converts the 540 r\/min PTO input to the optimized disc speed required for the target spreading width, ensuring nutrient placement is uniform and accurate across every pass of the field.\r\n\r\nThe internal gear set, sealed bearings, and oil lubrication system work together to maintain this performance consistently without operator intervention between the specified service intervals. For operators who need a direct-fit replacement for a worn Comer L-25J unit, this gearbox provides a precise OEM-equivalent specification match including identical spline profiles, mounting bolt patterns, and shaft dimensions, enabling a like-for-like swap in the field with standard agricultural hand tools.\r\n\r\nA PTO drive shaft, also called a Power Take-Off shaft, is a mechanical drivetrain component that transfers rotational power from a tractor or engine directly to an attached implement or piece of equipment. Rather than requiring every piece of farm machinery to carry its own engine, the PTO shaft lets a single tractor power a wide range of tools, from rotary tillers and flail mowers to wood chippers, balers, and fertilizer spreaders. PTO shafts are standardized at common operating speeds of 540 r\/min (for lighter agricultural implements) and 1000 r\/min (for higher-power implements), with corresponding standard spline profiles including the 1.3\/8-6 spline used by the L-25J gearbox input shaft.\r\n\r\nPTO shafts incorporate universal joints (U-joints) at each end to accommodate the angular offset between the fixed tractor PTO output and the moving implement hitch point. Telescoping tube sections allow the shaft to extend and retract as the implement raises and lowers on the three-point linkage or as it articulates during headland turns. A safety shield covers the rotating shaft and should always be in place during operation to protect operators from entanglement risk.\r\n\r\nThe PTO shaft connects the tractor power source directly to the L-25J gearbox input shaft via the standard 1.3\/8-6 spline coupling. The tractor engages the PTO at the rated 540 r\/min, and this rotational speed travels down the <a href=\"https:\/\/korea-transmission.com\/pto-shafts\/\"><strong>PTO drive shaft<\/strong><\/a> through its universal joints to the gearbox input. Inside the gearbox, the bevel gear pair converts this input at the 1:1.9 ratio, delivering a higher output speed and proportionally reduced torque to the spreading disc.\r\n\r\nThe quality and condition of the PTO shaft directly affects gearbox health: worn universal joints create cyclic speed fluctuation that causes vibration and gear tooth fatigue inside the gearbox. Excessive PTO shaft angle beyond the rated universal joint limits causes similar speed variation. For this reason, CMN Transmission recommends inspecting PTO shaft universal joints for play and wear at each season start, and confirming that the PTO shaft is the correct length and series rating for the spreader model before installation.\r\n\r\nCMN Transmission supplies a complete range of PTO shafts, universal joints, yokes, and torque limiters compatible with the L-25J gearbox and the broader range of agricultural implements in our product portfolio. Contact our technical team to confirm the correct PTO shaft specification for your tractor model and spreader configuration.\r\n<table style=\"border-collapse: collapse; width: 100%;\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\"><img class=\"aligncenter wp-image-8001 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25A-Fertilizer-Spreader-Gearbox-1.9-1.webp\" alt=\"L-25A Fertilizer Spreader Gearbox 1.9-1\" width=\"800\" height=\"800\" \/><\/td>\r\n<td style=\"width: 50%;\"><img class=\"aligncenter wp-image-343 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft.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\/2025\/04\/PTO-Shaft.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft-480x480.webp 480w\" alt=\"PTO Shaft\" width=\"1000\" height=\"1000\" \/><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2>Why Choose CMN Transmission's Fertilizer Spreader Gearboxes?<\/h2>\r\nKorea CMN Transmission Co., Ltd. was established in 2000 and is located in Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, Korea. With 100+ factory employees dedicated to the research, development, manufacturing, sales, and service of agricultural gearboxes, CMN Transmission has grown into a reliable global supplier over more than two decades of continuous operation. Exporting to 60+ destinations worldwide, CMN Transmission brings deep engineering expertise and consistent manufacturing quality to every product in our catalog.\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, grain storage gearboxes, grain transportation gearboxes, corn header gearboxes, cutting bar gearboxes, and poultry feeding gearboxes, along with custom agricultural gearboxes covering nearly one thousand specifications. These products are widely used in grain harvesting equipment, forage machinery, mowers, balers, rakes, rotary tillers, fertilizer spreaders, sprayers, feed mixers, silage machines, and combine harvesters across global markets.\r\n\r\nCMN Transmission's broader product portfolio also includes PTO shafts, universal joints, yokes, tubes, torque limiters, covers, adapters, couplings, bearings, blades, chains, and sprockets, enabling us to supply complete driveline solutions rather than individual components alone. With annual production exceeding 500,000 units, CMN Transmission consistently delivers reliable performance and long-term durability for global OEM manufacturers and aftermarket distributors.\r\n\r\nAll products are manufactured under CE and ISO 9001 certified quality management systems, ensuring consistent dimensional accuracy, material specification compliance, and performance reliability across every batch. Our 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 beyond, with extensive experience providing technical solutions for agricultural machinery partners across every major farming region in the world.\r\n\r\nFor fertilizer spreader gearbox suppliers and OEM procurement teams, CMN Transmission supports custom production based on customer drawings and specifications. Whether you need a direct Comer replacement like the L-25J, a modified ratio configuration, a custom housing mounting pattern, or a branded private-label product for your distribution network, our engineering team has the capability to support your requirement from prototype through volume production. When you choose CMN Transmission, you gain access to a proven manufacturer with two decades of agricultural gearbox expertise, a global logistics network, and a technical support team that understands the operational demands your equipment faces in the field every day.\r\n\r\n<img class=\"aligncenter wp-image-8178 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-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_Fertilizer-Spreader-Gearbox-Manufacturers.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers-980x711.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers-480x348.webp 480w\" alt=\"Fertilizer Spreader Gearbox Manufacturers\" width=\"1200\" height=\"870\" \/>\r\n<h2>Frequently Asked Questions<\/h2>\r\n<strong>Q: Is the CMN L-25J a direct replacement for the Comer L-25J fertilizer spreader gearbox?<\/strong>\r\nA: Yes. The CMN L-25J is engineered as a direct-fit Comer L-25J replacement, matching the same 1:1.9 gear ratio, 1.3\/8-6 input spline profile, 22 mm output shaft diameter, and mounting bolt pattern. This enables a like-for-like installation on all spreader models originally equipped with the Comer L-25J without modification. Always verify the mounting dimensions and shaft specifications against your specific machine before ordering if the spreader has been modified from its original configuration.\r\n\r\n<strong>Q: What oil should I use in the L-25J fertilizer spreader gearbox, and how do I check the oil level?<\/strong>\r\nA: Use SAE 80W-90 gear oil as specified. To check the fertilizer spreader gearbox oil level, place the spreader on level ground, remove the oil level plug (located on the side of the housing), and verify that oil is present at the plug opening. The gearbox should be at ambient temperature during the check. Maximum oil capacity is 0.35 L. Top up with 80W-90 if the level is below the plug. Avoid overfilling, as excess oil can pressurize the housing and accelerate seal failure.\r\n\r\n<strong>Q: What is the correct fertilizer spreader gearbox ratio for centrifugal disc spreading?<\/strong>\r\nA: The L-25J operates at a fertilizer spreader gearbox ratio of 1:1.9, meaning the output shaft rotates at 1.9 times the input speed. At the standard 540 r\/min PTO input, this produces approximately 1,026 r\/min at the output shaft. This speed range is optimal for centrifugal disc spreaders handling granular NPK fertilizers and lime at typical field spreading widths. Contact CMN Transmission if your spreader application requires a different ratio such as 1:1.35 or 1:1.0, as alternative configurations are available.\r\n\r\n<strong>Q: Can this gearbox be used with a 1000 r\/min PTO instead of 540 r\/min?<\/strong>\r\nA: The L-25J is rated for a maximum input rotation speed of 540 r\/min. Operating the gearbox at 1000 r\/min PTO speed will exceed the rated limits and significantly shorten bearing and gear life, and may cause seal failure from elevated internal pressure. If your tractor only has a 1000 r\/min PTO output, contact CMN Transmission for advice on a compatible gearbox specification or the use of a PTO speed reduction adapter to bring the input speed within the rated range.\r\n\r\n<strong>Q: How long will the L-25J fertilizer spreader gearbox last under normal operating conditions?<\/strong>\r\nA: With correct oil fill at installation, first oil change at 50-70 hours, and subsequent 500-hour or annual oil changes, users report 1,500 to 3,000+ operating hours of service life from the L-25J under normal agricultural spreading conditions. Lifespan is heavily influenced by oil maintenance discipline, avoidance of PTO overspeed, correct overload protection in the driveline, and post-season cleaning to remove fertilizer deposits that can attack seals and housing surfaces during storage.\r\n\r\n<strong>Q: Do I need a slip clutch or overload protection device with this gearbox?<\/strong>\r\nA: CMN Transmission strongly recommends using a PTO shaft fitted with an appropriate slip clutch or shear bolt overload protection device between the tractor PTO output and the gearbox input. The L-25J's 1000 N\u00b7m torque rating provides working capacity, not overload protection. If the spreading disc strikes an obstacle or a material jam occurs, unprotected shock torque can damage internal gears and bearings in a single event. Overload protection preserves the gearbox investment and is standard practice on all professionally configured spreader drivelines.\r\n\r\n<strong>Q: Can CMN Transmission supply fertilizer spreader gearboxes in bulk for OEM manufacturers or distributors?<\/strong>\r\nA: Yes. CMN Transmission is an established OEM and aftermarket fertilizer spreader gearbox manufacturer with annual production exceeding 500,000 units across all product lines. Bulk orders with custom branding, modified specifications, or specific packaging requirements can be accommodated through our OEM program. Distributor pricing tiers and minimum order quantities are available on request. CMN Transmission's CE and ISO 9001 certified production management ensures consistent quality across high-volume orders.\r\n\r\n<strong>Q: How do I correctly fill the L-25J gearbox with oil for the first time?<\/strong>\r\nA: Install the gearbox on the spreader frame in its operating position. Remove the oil fill plug on the top of the housing. Pour SAE 80W-90 gear oil slowly into the fill port until oil reaches the level plug opening on the side of the housing, indicating the correct 0.35 L fill level. Refit both the fill and level plugs securely. Run the gearbox at low speed for a few minutes, then shut down and recheck for leaks at both plugs and shaft seal exits before proceeding to field operation.\r\n\r\n<strong>Q: What are the main agricultural gearbox types available from CMN Transmission?<\/strong>\r\nA: CMN Transmission manufactures a comprehensive range of agricultural gearboxes including fertilizer spreader gearboxes, flail mower gearboxes, rotary tiller gearboxes, rotary cutter gearboxes, post hole digger gearboxes, round and square baler gearboxes, disc mower gearboxes, feed mixer gearboxes, silage machine gearboxes, combine harvester gearboxes, and irrigation gearboxes, covering nearly one thousand specifications. Custom agricultural gearboxes based on customer drawings or OEM samples are also available. Contact CMN Transmission's technical team to discuss your specific gearbox requirements.\r\n\r\n<strong>Q: What mounting configurations are available for the L-25J from Comer, and does the CMN replacement match them?<\/strong>\r\nA: According to the Comer L-25J technical catalog (Code 124.8, section 3.02), the original gearbox is available in multiple shaft and mounting configurations including 1\" 3\/8 Z6 input splines and various Z output combinations. The CMN L-25J is supplied in the standard configuration matching the most common market variant. If your spreader uses a non-standard Comer variant, contact CMN Transmission with the Comer code number from your original gearbox label and we will confirm compatibility or identify the correct replacement specification from our range.\r\n\r\n<img class=\"aligncenter wp-image-8037 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3.webp\" alt=\"L-25J Fertilizer Spreader Gearbox 1-3\" width=\"800\" height=\"800\" \/>\r\n<h2>Customer Reviews<\/h2>\r\n<strong>Alejandro Rodriguez | Crop Farming | Argentina<\/strong>\r\n\"We manage about 1,200 ha of wheat and corn in the Pampas region and use several centrifugal spreaders for our fertilizer program. We replaced three worn gearboxes with the CMN L-25J mid-season and honestly could not believe how easy it was. Arrived in Buenos Aires in good condition, the spline was identical to our existing driveshafts, and we had them all running within an hour. After doing the first oil change at 60 hours as instructed, everything was clean inside, no metal particles, no wear at all. Very impressed with the quality at this price point.\"\r\n\r\n<strong>James Harrison | Grain Farming | United Kingdom<\/strong>\r\n\"Been running Comer gearboxes for years but the cost of OEM replacements has gotten ridiculous. Tried the CMN L-25J as a replacement on one of our Amazone ZA-M spreaders and I genuinely cannot tell the difference in the field. Spread pattern is spot on, no vibration, fits perfectly. Ordered three more for the season after that. The customer service team answered my technical questions about the mounting dimensions quickly too, which made the decision easy. Would definitely recommend to other contractors looking to reduce parts costs.\"\r\n\r\n<strong>Klaus M\u00fcller | Crop Farming | Germany<\/strong>\r\n\"Ordered two L-25J units to replace worn gearboxes on our Rauch spreaders before the autumn application window. Shipping to Bavaria was faster than expected, about 12 days, and the packaging was solid with no transit damage. Spline fit was correct, oil seals looked high quality, and after filling with 80W-90 as specified they ran smoothly from day one. We put about 200 hours on them through the season spreading compound NPK and lime with no issues. Will be our go-to replacement source from now on. Sehr gut.\"\r\n\r\n<strong>Marco Vitale | Horticulture &amp; Nurseries | Italy<\/strong>\r\n\"I use these gearboxes on compact spreaders for our vegetable and greenhouse operations. The aluminium housing is perfect for our indoor climate where standard iron gearboxes rust fast. The 22mm output shaft fitted our disc hub directly without any modification. I was initially skeptical about a Korean replacement for the Comer original but the quality is genuinely comparable. Weight is just 4.1 kg which matters when you are moving equipment around a busy nursery. Placed a second order after six months of trouble-free use.\"\r\n\r\n<strong>David Patterson | Pasture Management | Australia<\/strong>\r\n\"Needed a gearbox urgently mid-season for topdressing pastures before the autumn break and the CMN team organized express shipping to Victoria that got it here in time. Fitted straight onto our old spreader frame, 1.3\/8 spline matched perfectly to our driveshaft. Been spreading lime and superphosphate for about 300 hours since fitting. The aluminium housing handles our wet conditions far better than the old iron unit did and the seals show no signs of fertilizer leakage. Will be recommending CMN to other farmers in our district.\"\r\n\r\n<strong>Pierre Laurent | Vineyard Maintenance | France<\/strong>\r\n\"We use these on our inter-row spreaders in the vineyards for potassium and micronutrient application. The price is significantly better than sourcing through local dealers and the quality has been excellent. Two units running now for a full season without any problems, which is impressive given we work on slopes where vibration from uneven ground is hard on equipment. The technical datasheet they provided showed all the dimensions clearly which made it easy to confirm fit before ordering. Fast response to email questions too.\"\r\n\r\n<strong>Robert Thompson | Agricultural Machinery | Canada<\/strong>\r\n\"We stock the CMN L-25J gearboxes as a service part for customer spreaders and the sell-through has been very strong. Price point is about 35% lower than OEM Comer and quality has been consistent across every unit we have sold. No warranty returns in two seasons which says everything you need to know. Packaging is good for retail display. CMN's technical support documents are detailed enough that our parts staff can answer customer fitment questions without needing to escalate. Shipping from Korea to Ontario has consistently been 10 to 14 days.\"\r\n\r\n<strong>Ravi Sharma | Sugar Cane Farming | India<\/strong>\r\n\"Difficult to source quality gearbox parts in our region so we ordered directly from CMN. The L-25J arrived well packed and the spline matched our PTO driveshaft without any adapter needed. We use it on a disc spreader for urea and potash application across about 80 hectares per season. Runs hot here but the aluminium housing handles heat well. Oil level easy to check and change. Communication with CMN was good throughout. Would order again and have already passed the contact details to two neighboring farmers who need the same part.\"\r\n\r\n<strong>Carlos Martinez | Golf Course Management | Spain<\/strong>\r\n\"We use a PTO-driven spreader for fertilizer applications across the course fairways and rough areas. Our old Comer gearbox was becoming unreliable and the OEM replacement price was difficult to justify. The CMN L-25J arrived quickly, installed without any issues, and the disc speed on our spreader is identical to what we had before with the original unit. After one full season of use across about 40 hectares of turf we have had zero problems. The gearbox exterior cleans up easily after each use which matters for presentation on a golf property. Very satisfied.\"","_et_gb_content_width":""},"product_brand":[],"product_cat":[309],"product_tag":[316,315,311,317,318,319,310],"class_list":{"0":"post-8175","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-fertilizer-spreader-gearbox","7":"product_tag-fertiliser-spreader-gearbox","8":"product_tag-fertilizer-distributor-gearbox","9":"product_tag-fertilizer-spreader-gearbox","10":"product_tag-fertilizer-spreader-gearbox-for-sale","11":"product_tag-fertilizer-spreader-gearbox-manufacturers","12":"product_tag-fertilizer-spreader-gearbox-suppliers","13":"product_tag-gearbox-for-fertilizer-spreader","15":"first","16":"instock","17":"shipping-taxable","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product\/8175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/comments?post=8175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/media\/8036"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/media?parent=8175"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product_brand?post=8175"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product_cat?post=8175"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product_tag?post=8175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}