EP-9.279 Lawn Mower Gearbox

EP-9.279 Lawn Mower Gearbox

Dual-rated at 100 HP and 120 HP with selectable 1:1.5 and 1:1 ratios, the EP-9.279 offers unmatched flexibility for high-power mowing. Large-scale pastoral stations and commercial land management firms choose this gearbox to switch between fast finishing and heavy-torque clearing modes without any hardware changes.

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Descripción


EP-9.279 — Engineered for Australian & Global Farming Conditions

El EP-9.279 from Ever-power Australia Mower Gearbox Co.,Ltd. is a field-proven right-angle gearbox built for rotary mower and brush cutter applications. Its 100 / 120 HP capacity and hardened bevel gears keep your operation running efficiently from dawn to dusk, season after season.

EP-9.279 High-Power Rotary Cutter Gearbox

📈 EP-9.279 Technical Specifications

Parámetro Especificación
Número de modelo EP-9.279
Tipo de caja de cambios High-Power Rotary Cutter Gearbox
Relación(es) de transmisión 1:1.5 / 1:1
Configuración de los dientes 27/18, 22/22
Módulo de engranajes 5.7 / 6
Potencia nominal 100 / 120 HP
Velocidad de entrada 540 rpm
Eje de entrada/salida 1 3/4 Z20
Peso neto 38 Kg
Material de engranajes Acero aleado 20CrMnTi, carburizado y endurecido HRC 58-62
Material de vivienda Hierro fundido dúctil (QT450-10)
Protección de sellado Retenes de aceite multilabios NBR/FKM, con clasificación IP65+
Lubricación Aceite para engranajes SAE 80W-90 o 85W-140 EP
Tratamiento de superficies Imprimación electroforética + recubrimiento en polvo de poliéster, acabado rojo.

⭐ Características clave y ventajas de ingeniería

💪

Heavy-Duty Triple-Lip Seals + Scraper

Three-lip shaft seals with external scraper rings prevent soil and moisture ingress even during tillage in waterlogged or heavily saturated ground.

⚙

Dedicated Thrust Bearing Stage

Purpose-designed thrust bearings absorb the axial forces generated as tiller blades engage the soil, preventing shaft walk and premature seal extrusion.

⚗

Stainless Steel Breather Valve

Labyrinthed breather prevents pressure build-up during temperature swings while blocking water and dust ingress — a common failure point in cheaper gearboxes.

🔒

CNC-Bored Bearing Seats, IT6 Tolerance

All bearing bores finish-bored to ISO IT6 on CNC horizontal boring mills, ensuring perfect bearing fit and eliminating the fretting corrosion caused by loose seats.

⚡

Laser-Etched Traceability Code

Every housing is laser-marked with a unique serial number linking to full material, heat-treatment, and inspection records for complete supply-chain traceability.

🔄

Balanced Gear Set Assembly

Complete gear sets are dynamically balanced as a matched pair to ISO G6.3, reducing transmitted vibration to the mower frame and extending component fatigue life.

Caja de engranajes de segadora para uso agrícola

🔧 Compatibilidad de equipos y referencias cruzadas

🔄 Cross-Reference Compatibility for EP-9.279

The EP-9.279 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:

McCormick • Mitsubishi • Zoomlion • Case IH • Land Pride • Mahindra • Pöttinger • TAFE

Descargo de responsabilidad: Las marcas mencionadas anteriormente se utilizan únicamente para identificar la compatibilidad. Ever-power Australia Mower Gearbox Co., Ltd. no está afiliada, respaldada ni autorizada por ninguno de los fabricantes mencionados. Todas las marcas registradas pertenecen a sus respectivos propietarios.

📚 Guía de selección de cajas de cambios

The correct gearbox specification depends on your tractor, implement, and field conditions. Evaluate these factors for the EP-9.279:

📌 Standard Catalog vs Custom Specification
The EP-9.279 is available as a standard catalog item shipping in 3-5 days. If your application requires a non-standard ratio, shaft type, or mounting configuration, our engineering team offers custom designs with 4-6 week lead times. Minimum order quantities may apply.
📌 Compatibilidad con el tipo de eje de salida
The EP-9.279 features 1 3/4 Z20 output. Verify your blade hub or implement rotor accepts this shaft type before ordering. We offer multiple output configurations — spline, taper, keyway, and flange — to match virtually any existing installation.
📌 Consideraciones sobre el peso y el montaje
At 38 Kg, the EP-9.279 is designed for large-frame tractor implements and heavy-duty mowers. Confirm your implement frame and three-point hitch can support this weight plus the weight of the blade assembly. Mounting bolt pattern and orientation should match your existing layout.
📌 Adaptación de la relación de engranajes a la velocidad de la punta de la cuchilla
For the EP-9.279 with ratio(s) 1:1.5 / 1:1, calculate your required blade tip speed: typically 4,500-5,500 m/min for standard rotary cutters, 3,000-4,000 m/min for heavy brush cutting, and 5,500-6,500 m/min for fine finish mowing. Output RPM = PTO RPM ÷ ratio. Multiply by blade diameter to get tip speed.
📌 Dimensionamiento de la potencia nominal en relación a la potencia de la toma de fuerza del tractor (HP)
The EP-9.279 is rated at 100 / 120 HP. Always select a gearbox rated at or above your tractor’s maximum PTO horsepower. For shock-load applications (mulching, brush clearing), add a 25-30% safety margin: a 60 HP tractor should use a 75+ HP rated gearbox.

🌾 Escenarios de aplicación típicos

🌾 Stubble incorporation and green manure tillage

🚘 Municipal park and recreational reserve mowing

🌱 Silage paddock management and pasture renovation

⛰ Construction site vegetation clearing and preparation

🌳 Roadside and highway verge vegetation management

Planta de fabricación de Ever-power Australia Mower Gearbox Co., Ltd.

🛠 Guía de instalación y configuración

  1. Coloque la caja de cambios sobre los espárragos de montaje o los orificios para los pernos, verificando que el eje de entrada esté orientado hacia la toma de fuerza del tractor y que el eje de salida esté alineado con el cubo de la cuchilla o el rotor.
  2. Asegúrese de que el eje de la toma de fuerza tenga una superposición de estrías de al menos 50% en todas las posiciones de funcionamiento. Una superposición insuficiente provoca un desgaste rápido de las estrías y una posible separación del eje.
  3. Anote la fecha de instalación, la lectura del contador de horas del tractor y el número de serie de la caja de cambios en su registro de mantenimiento para el seguimiento de la garantía y los intervalos de servicio.
  4. Si va a reemplazar una unidad existente, drene completamente el aceite viejo, retire los sujetadores de montaje y baje con cuidado la caja de engranajes vieja. Fotografie la posición y anote las arandelas de ajuste utilizadas.
  5. Primero, apriete todos los tornillos de montaje a mano y, a continuación, aplique el par de apriete especificado siguiendo un patrón en cruz (o estrella) para asegurar una sujeción uniforme. Par de apriete típico: 80-120 Nm, según el tamaño del tornillo.
  6. With the implement raised and blades clear of the ground, engage the PTO at low idle speed. Listen for any unusual noise and observe for vibration or oil leaks.
  7. Verify that the mower implement safety chain or restraint is properly connected to prevent the gearbox from contacting the ground if the three-point hitch fails.

❓ Preguntas frecuentes

❓ How does your pricing compare to genuine OEM parts?

Our gearboxes use equivalent or superior materials at typically 30-50% less than OEM pricing. Independent testing confirms comparable or better performance and service life. The savings are significant for fleet operators.

❓ What gear oil specification does this gearbox require?

Use SAE 80W-90 or SAE 85W-140 GL-5 extreme-pressure gear oil under normal conditions. For sub-zero climates below -20 °C, a synthetic 75W-90 ensures proper cold-start flow. Always check the sight glass or dipstick before each shift.

❓ Which tractor brands are compatible?

Our gearboxes use standard PTO connections (1 3/8″ 6-spline or 1 3/4″ 20-spline) compatible with virtually every brand — John Deere, Kubota, Massey Ferguson, New Holland, Case IH, Kioti, Mahindra, and more.

❓ How noisy is this gearbox during operation?

Our spiral bevel designs produce 72-78 dB(A) at 1 metre under rated load — significantly quieter than straight-bevel alternatives (typically 82-88 dB). Operators notice a meaningful reduction in gear whine.

❓ What is the difference between ratio options?

Ratio determines the speed/torque trade-off at the output. 1:1 maintains PTO speed (high blade RPM); 1:1.93 nearly halves output speed while doubling torque. Choose based on your target blade tip speed and vegetation density.

⭐ Opiniones de clientes e informes de campo

★★★★★

📍 South Australia, Australia

Running in extreme cold (-25 °C) winters and hot summers. Synthetic oil in this gearbox handles both extremes without issue.

★★★★★

📍 Faisalabad, Pakistan

We replaced three OEM gearboxes with this model across our fleet. Gear quality and seal performance are noticeably superior. Reordering for next season.

★★★★★

📍 Poltava, Ukraine

Third year of heavy use on our paddock clearing. Still going strong with just regular oil changes. The best aftermarket gearbox I have found.

★★★★☆

📍 Córdoba, Argentina

Good gearbox with a solid, hefty feel. Delivery to Argentina was fast. Only needed a small spacer washer to fit our older mower model.

★★★★☆

📍 Bordeaux, France

Handles our tropical conditions well — humidity and monsoon rain. This gearbox just keeps working without fuss.

Gama de cajas de cambios agrícolas

⚖ EP-9.279 vs. Low-Cost Alternatives

Característica EP-9.279 (Ever-power) Alternativa genérica/de bajo costo
Comprobación del nivel de aceite ✔ Mirilla transparente + varilla medidora de nivel estándar ✘ Sin mirilla, es necesario quitar el tapón de llenado.
Soporte posventa ✔ Equipo técnico especializado, soporte para videollamadas ✘ Solo por correo electrónico, tiempo de respuesta de 1 a 2 semanas.
Soporte de ingeniería ✔ Ingeniería de aplicaciones y referencias cruzadas gratuitas ✘ No se proporciona soporte técnico
Retenes de aceite ✔ Doble labio NBR/FKM, clasificación IP65 ✘ Labio único NBR, sin polvo
Tolerancia dimensional ✔ ISO IT6-IT7, mecanizado CNC en su totalidad ✘ ISO IT9-IT10, acabado parcialmente a mano
Documentación ✔ Planos completos, referencias cruzadas, guía de instalación ✘ Solo hoja de especificaciones básica de una página
Protección de sujetadores ✔ Pernos de grado 10.9 con recubrimiento de escamas de zinc ✘ Acero liso de grado 8.8, se corroe y se atasca.

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🏆 Certificaciones y estándares de calidad

Quality assurance is embedded in every step of EP-9.279 production, certified to ISO 9001:2015 standards. All forged gear blanks are ultrasonically inspected per ASTM A388 to ensure zero internal defects. Finished gears are checked on Gleason analyzers for profile, lead, pitch, and runout accuracy. Each assembled unit is run-tested at rated speed before release.

🏭 ¿Por qué elegir Ever-power Australia Mower Gearbox Co.,Ltd.?

Ever-power Australia Mower Gearbox Co.,Ltd. was founded with a simple mission: give farmers worldwide access to durable, fairly priced power transmission components. Today, our vertically integrated operation — from raw steel procurement to finished-product testing — processes over 4800 tonnes of alloy steel annually. Our ISO 9001:2015-certified factory employs 295 skilled technicians and engineers, each contributing to our industry-leading 98.5% on-time delivery rate and less than 0.3% field return rate.

eje de transmisión de la toma de fuerza

📞 Get Your EP-9.279 Quote Today

Whether you need a single EP-9.279 replacement or a container load for your production line, we deliver. Reach out to our sales team for volume pricing and priority lead times.

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