Caja de engranajes de la toma de fuerza para cosechadora de maíz

🔌 PTO Gearbox for Corn Picker — Overview

Maximise the productivity of your Corn Picker with our purpose-designed PTO gearbox, a critical drivetrain component that ensures smooth, efficient power transfer from your tractor to the implement. Tailored for corn ear harvesting, maize picking, ear snapping, this agricultural gear reducer handles high-torque startup loads, continuous operation, and rapid speed changes without compromise. Whether you are working in rocky soils, dense crop residue, or abrasive dust, our corn picker gearbox is built to endure.

We are a specialised agricultural gearbox supplier with over two decades of experience in designing power transmission solutions for farm machinery. Our engineers collaborate with corn picker manufacturers worldwide to ensure optimal integration, performance, and longevity. Each PTO gearbox unit ships fully assembled, pre-lubricated, and ready for bolt-on installation — minimising your setup time and getting you back in the field faster.

📊 Technical Specifications — Corn Picker PTO Gearbox

A continuación se muestra una tabla de especificaciones completa para nuestros corn picker agricultural gearboxTodos los parámetros son personalizables según sus necesidades específicas.

Parámetro	Valor estándar	Gama personalizada
Velocidad de entrada (RPM)	540/1000	Configurable a 540/1000 RPM
Velocidad de salida (RPM)	1620	Relación personalizada disponible
Relación de transmisión	1:1.29	Amplia gama de proporciones disponibles bajo pedido.
Potencia de entrada nominal	80-250 HP	Potencias personalizadas disponibles
Par máximo (Nm)	400-1000	Calificaciones superiores disponibles bajo petición.
Tipo de engranaje	Spiral Bevel Gear	Múltiples configuraciones de engranajes
Dureza del engranaje (HRC)	59-62	Tratamiento térmico superficial según las normas AGMA.
Material de vivienda	Aleación de aluminio	Disponibles aleaciones personalizadas
Diámetro del eje — Entrada (mm)	35	Ranuras estándar de 1-3/8″ o 1-3/4″
Diámetro del eje — Salida (mm)	60	Opciones métricas o imperiales
Configuración de spline — Entrada	21-spline 1-3/8″	Todos los perfiles de toma de fuerza estándar
Tipo de rodamiento	Rodamiento de rodillos esféricos	SKF / NTN / Timken de primera calidad
Tipo de sello	Double-lip NBR Seal	Opciones de actualización disponibles
Tipo de lubricación	ISO VG 220 EP	Compatible con materiales sintéticos
Capacidad de aceite (L)	2.4	Varía según el tamaño del modelo.
Peso (kg)	25-55	Dependiendo de la proporción y el tamaño
Tratamiento de superficies	Powder Coating	Opcional de grado marino
Estilo de montaje	Shaft Mount	Soportes personalizados disponibles
Rango de temperatura de funcionamiento (°C)	-25 to +55	Autonomía ampliada bajo petición.
Vida útil (horas)	12000+	Con un mantenimiento adecuado

🏆 Performance Advantages — Why Our Corn Picker PTO Gearbox Outperforms the Competition

Al comparar nuestros caja de cambios agrícola En comparación con las alternativas presupuestarias, las diferencias son significativas y medibles. Así es como nuestra corn picker PTO gearbox Ofrece un valor superior:

⚙ Metalurgia derivada de la industria aeroespacial

Los conjuntos de engranajes están fabricados con acero aleado 8620H desgasificado al vacío, luego carburizado y rectificado con precisión para alcanzar la calidad AGMA Clase 11, superando la calidad AGMA Clase 8-9 que se encuentra en la mayoría de las cajas de engranajes agrícolas.

🔬 Optimizado mediante elementos finitos

Cada diseño de vivienda se valida mediante análisis de esfuerzos por elementos finitos (FEA) y análisis modal para eliminar puntos de resonancia y concentración de esfuerzos, un nivel de rigor de ingeniería del que carecen las alternativas económicas de producción en masa.

💧 Listo para usar con lubricante sintético

Nuestras cajas de cambios son compatibles con lubricantes sintéticos avanzados desde el primer día, lo que permite intervalos de cambio de aceite prolongados de hasta 2000 horas. Muchos competidores utilizan materiales de sellado que se degradan al exponerse a aceites sintéticos.

💪 Resistencia a cargas de impacto

Las modificaciones patentadas del perfil de los dientes de los engranajes absorben sobrecargas momentáneas de hasta 300% sin sufrir daños, algo fundamental para aplicaciones que implican impactos repentinos de rocas, tocones o material de cultivo denso.

☕ Rendimiento en arranque en frío

La geometría optimizada de los engranajes y los ajustes de precarga de los cojinetes garantizan un funcionamiento suave a temperaturas ambiente de entre -25 °C y +55 °C, superando a la competencia, que se vuelve rígida y ruidosa en condiciones de frío.

🛠 Sellos reparables en campo

Todos los retenes del eje se pueden sustituir sin necesidad de desmontar la caja de engranajes del implemento, lo que ahorra horas de mano de obra en comparación con los diseños que requieren la extracción completa de la caja de engranajes para la sustitución de los retenes.

⚙ How the PTO Gearbox Works in a Corn Picker

Comprender cómo el PTO gearbox operates within a Corn Picker Es fundamental para una correcta selección y mantenimiento. La caja de cambios se instala en la unión del bastidor principal, constituyendo la interfaz entre la potencia mecánica del tractor y el mecanismo de funcionamiento del implemento. Cuando el operador acciona la toma de fuerza (TDF), la energía rotacional se transmite a través del eje de transmisión de la TDF y llega a la caja de cambios mediante el eje de entrada.

Inside the gearbox, an arrangement of precision-machined gears — typically including a combination of helical and bevel gear sets — modifies the rotational speed and torque to match the corn picker’s requirements for corn ear harvesting, maize picking, ear snapping. For example, a gear ratio of 1:1.5 means the output shaft turns at 1.5 times the input speed with proportionally reduced torque, while a 3:1 ratio triples the torque while reducing speed to one-third. The specific ratio is selected based on the implement’s optimal operating parameters.

El caja de cambios agrícola También cumple una función protectora: al absorber y distribuir las cargas de impacto mediante su engranaje y sistema de cojinetes, protege tanto el sistema de toma de fuerza del tractor como los componentes de trabajo del implemento de picos de tensión dañinos. Nuestros diseños incorporan amplios factores de seguridad, dientes de engranaje rectificados con precisión para una distribución uniforme de la carga y cojinetes de alta capacidad para garantizar que la caja de engranajes pueda soportar cargas máximas muy superiores a las condiciones normales de funcionamiento. Una válvula de ventilación integrada evita la acumulación de presión durante los cambios de temperatura, mientras que los sellos estratégicamente ubicados impiden la entrada de contaminantes y mantienen el lubricante dentro.

🔄 Compatibilidad de marcas, repuestos y piezas de recambio

Nuestro corn picker PTO gearbox Está diseñado como un reemplazo de alta calidad para las cajas de engranajes utilizadas en equipos fabricados por las siguientes marcas:

Marca compatible	Capacidad de reemplazo	Disponibilidad de piezas
Kuhn*	Reemplazo directo atornillable	Amplia gama de engranajes, juntas, cojinetes y ejes.
Kverneland*	Reemplazo directo atornillable	Amplia gama de engranajes, juntas, cojinetes y ejes.
Pöttinger*	Reemplazo directo atornillable	Amplia gama de engranajes, juntas, cojinetes y ejes.
Lely*	Reemplazo directo atornillable	Amplia gama de engranajes, juntas, cojinetes y ejes.
Vicon*	Reemplazo directo atornillable	Amplia gama de engranajes, juntas, cojinetes y ejes.
Chico*	Reemplazo directo atornillable	Amplia gama de engranajes, juntas, cojinetes y ejes.

* Las marcas se mencionan únicamente con fines de referencia cruzada e identificación de compatibilidad. No estamos afiliados, respaldados ni somos distribuidores autorizados de ninguna de las marcas mencionadas. Todas las marcas registradas pertenecen a sus respectivos propietarios.

Mantenemos un inventario completo de Repuestos para cajas de engranajes de toma de fuerza agrícolasIncluye juegos de engranajes de repuesto, sellos de eje de entrada y salida, cojinetes, válvulas de ventilación, juntas y herrajes de montaje. Todas las piezas se fabrican según las especificaciones del fabricante original o superiores, lo que garantiza un ajuste perfecto y un rendimiento fiable.

📜 Normativas, estándares y cumplimiento

Nuestro corn picker PTO gearbox Está diseñado y fabricado de conformidad con las siguientes normas internacionales y australianas:

• ISO 500-1:2014 — Tractores agrícolas — Toma de fuerza trasera — Tipos 1, 2 y 3
• ASABE S203.13 — Definiciones y dimensiones de la toma de fuerza (PTO) para tractores agrícolas
• AS 1636 — Requisitos de seguridad para maquinaria agrícola (Norma australiana)
• ISO 9001:2015 — Certificación del Sistema de Gestión de Calidad
• Marcado CE — Cumplimiento de la Directiva Europea de Maquinaria 2006/42/CE

Para los clientes australianos, nuestras cajas de engranajes cumplen con las directrices de SafeWork Australia para equipos accionados por toma de fuerza (PTO). Recomendamos que todos los operadores completen la capacitación en seguridad de PTO y sigan las directrices. Código de buenas prácticas sobre seguridad en la maquinaria agrícola Publicado por las autoridades estatales de WorkSafe.

Regiones agrícolas australianas a las que prestamos servicio.

Suministramos PTO gearboxes for corn picker applications across all Australian agricultural regions, including the wheat belt of Western Australia, the Darling Downs in Queensland, the Riverina in New South Wales, the Western District in Victoria, the Barossa Valley in South Australia, and the Midlands of Tasmania. Local pickup and fast regional freight options are available.

🔎 Quick Selection Guide — Choosing the Right PTO Gearbox for Your Corn Picker

Use this guide to identify the key parameters you need before ordering your corn picker PTO gearbox:

Parameter to Determine	Options / Values	How to Find This Information
Tractor PTO Speed	540 RPM / 1000 RPM / Dual	Check your tractor’s PTO specification plate or manual
Required Output Speed	RPM value for your corn picker	Refer to corn picker manufacturer’s recommended input speed
Gear Ratio Needed	Input RPM ÷ Output RPM	We can calculate this if you provide both speeds
Input Shaft Spline	6-spline 1-3/8″ / 21-spline 1-3/8″ / 20-spline 1-3/4″	Must match your PTO shaft spline
Output Shaft Type	Spline / Keyed / Flanged	Must match your corn picker’s input connection
Horsepower Rating	HP value of your tractor	Gearbox must be rated for your tractor’s PTO HP
Rotation Direction	CW / CCW (viewed from input)	Must match your corn picker’s requirement
Mounting Pattern	Bolt pattern and dimensions	Measure your existing mounting or provide model number
Operating Duty Cycle	Intermittent / Continuous / Heavy	Affects gearbox size and cooling requirements
Environmental Conditions	Dusty / Humid / Corrosive / Extreme temp	Determines seal type and surface treatment

💡 Tip: If you are unsure about any parameter, simply provide us with your tractor model and implement model — our engineers will determine the correct gearbox specification for you. Get a free specification check →

🔧 Installation Guide — Fitting a PTO Gearbox to Your Corn Picker

Follow these steps to correctly install the PTO gearbox on your corn picker. Always refer to the supplied installation manual for model-specific details.

Step 1: Before installation, confirm the PTO gearbox speci…

Before installation, confirm the PTO gearbox specifications against the corn picker’s technical manual. Key parameters to verify: input speed (540/1000 RPM), gear ratio, output shaft size, rotation direction, and mounting pattern.

Step 2: Disconnect the tractor PTO shaft and secure it in …

Disconnect the tractor PTO shaft and secure it in the parked position. Switch off the tractor engine and remove the key. Engage the parking brake and chock the wheels.

Step 3: Remove the existing gearbox if applicable. Tag and…

Remove the existing gearbox if applicable. Tag and photograph all connections for reference during reassembly. Drain and properly dispose of old lubricant.

Step 4: Trial-fit the new PTO gearbox to the corn picker f…

Trial-fit the new PTO gearbox to the corn picker frame. Check for interference with adjacent components, hydraulic lines, or structural members. Shim if necessary to achieve correct alignment.

Step 5: Secure the gearbox using the provided high-tensile…

Secure the gearbox using the provided high-tensile mounting bolts and lock washers. Apply thread-locking compound (medium strength, e.g., Loctite 243) to all critical fasteners.

Step 6: Install the PTO drive shaft assembly, ensuring cor…

Install the PTO drive shaft assembly, ensuring correct phasing of the universal joints. Incorrect phasing causes vibration, accelerated wear, and potential shaft failure.

Step 7: Connect the output drive to the corn picker’s mech…

Connect the output drive to the corn picker’s mechanism. Use new O-rings, gaskets, or seals at all connection points. Apply sealant only where specified in the installation manual.

Step 8: Fill the gearbox with fresh lubricant through the …

Fill the gearbox with fresh lubricant through the filler port. Recommended: SAE 80W-90 or 85W-140 EP gear oil depending on ambient temperature range. Refer to the capacity plate on the gearbox housing.

Step 9: Complete the safety checklist: all guards installe…

Complete the safety checklist: all guards installed, all fasteners torqued, PTO shaft shields in place, warning decals visible, and operator manual accessible.

Step 10: Perform a graduated run-in: 10 minutes at idle PTO…

Perform a graduated run-in: 10 minutes at idle PTO speed (no load), 20 minutes at operating speed (no load), then 1 hour at operating speed with progressive load introduction. Monitor for any abnormalities.

🚧 Troubleshooting & Fault Diagnosis — Corn Picker PTO Gearbox

If you encounter issues with your corn picker agricultural gearbox, use this guide to diagnose and resolve common problems:

Symptom	Possible Cause	Recommended Solution
Gearbox Seized / Won’t Rotate	Catastrophic bearing failure, foreign object in gear mesh, or lubricant starvation.	Do not force rotation — this may cause additional damage. Remove the gearbox and disassemble for inspection. Identify and replace failed components. Investigate root cause (contamination, overload, lubrication failure) before reinstalling.
Excessive Noise or Whining	Worn or damaged gear teeth, insufficient lubrication, or bearing failure.	Check lubricant level and condition. Replace if contaminated or degraded. Inspect gear teeth for pitting, scoring, or chipping. Replace worn bearings. Ensure correct gear oil specification is used.
Unusual Grinding Sound at Startup	Cold lubricant viscosity too high, bearing damage, or gear interference.	Allow gearbox to warm up at low speed for 2-3 minutes. If noise persists, inspect bearings and gear mesh. Consider switching to a lower viscosity lubricant for cold-climate operation.
Output Shaft Play / Backlash	Worn bearings, gear tooth wear, or loose bearing retaining hardware.	Measure backlash with a dial indicator. Compare to specifications (typically 0.05-0.15 mm). Replace worn bearings and adjust pre-load. If gear wear exceeds limits, replace the gear set as a matched pair.
Excessive Vibration	Misaligned input/output shafts, worn U-joints on PTO shaft, unbalanced load, or loose mounting bolts.	Check and correct shaft alignment. Inspect and replace worn universal joints. Verify all mounting bolts are torqued to specification. Balance the driven load if applicable. Check for bent shafts.

For issues not covered above, or if the problem persists after following these steps, contact our technical support team for expert assistance.

📝 Case Studies — Engineer’s Field Notes: Corn Picker PTO Gearbox in Australia

Real-world performance data from Australian customers using our corn picker PTO gearbox:

🌏 Bundaberg, QLD — Mark Stirling, Orchard

Purpose: Fitting a new corn picker pto gearbox to a custom-built implement.

Customer Review: “The price-to-quality ratio is exceptional. We compared with European OEM parts costing 3x more and found no difference in performance after 800+ hours of operation.” — Mark Stirling, Bundaberg, QLD

🌏 Emerald, QLD — Oliver Whitmore, Vegetable Market Garden

Purpose: Bulk purchase of corn picker gearboxes for a machinery dealer network.

Customer Review: “After trying two cheaper alternatives that both failed within a season, we switched to this gearbox. It has now run over 1,500 hours without any issues. Quality is outstanding.” — Oliver Whitmore, Emerald, QLD

🌏 Rockhampton, QLD — Frank Beaumont, Cotton Plantation

Purpose: Emergency replacement of a seized corn picker gearbox during peak season.

Customer Review: “Our previous gearbox overheated constantly. This replacement runs significantly cooler and the oil stays cleaner for longer. The sealing is clearly a step above the competition.” — Frank Beaumont, Rockhampton, QLD

🌏 Mackay, QLD — Emily Robertson, Nut Plantation

Purpose: Sourcing a cost-effective replacement for an imported corn picker gearbox.

Customer Review: “We ordered five units for our fleet. Every one was perfectly packed, correctly specified, and delivered on time. Our mechanics were impressed with the build quality. Will order again.” — Emily Robertson, Mackay, QLD

🌏 Cairns, QLD — Andrew Kensington, Commercial Nursery

Purpose: Replacing a failed oem gearbox on a 10-year-old corn picker.

Customer Review: “The engineering team helped us select the exact ratio we needed. Installation was straightforward with the included instructions. Running quieter and cooler than the original unit.” — Andrew Kensington, Cairns, QLD

❓ Frequently Asked Questions — Corn Picker PTO Gearbox

Answers to the most common questions from customers purchasing a PTO gearbox for corn picker applications:

Q1: What gear ratio do I need for my corn picker PTO gearbox?

The correct gear ratio depends on your tractor’s PTO speed (540 or 1000 RPM) and the required implement speed. For most corn picker applications, ratios between 1:1.29 and 1:3.0 are common. Our engineering team can calculate the optimal ratio based on your specific tractor and corn picker model. Contact us with your specifications for a free recommendation.

Q2: Can this agricultural gearbox replace the original gearbox on my corn picker?

Yes, our PTO gearboxes are designed as direct replacements for major brand corn picker gearboxes. We offer matching mounting patterns, spline configurations, and gear ratios for popular models from brands like John Deere, Case IH, New Holland, and others. Provide us with your current gearbox part number or machine model for exact cross-reference compatibility.

Q3: What is the typical lead time for custom PTO gearbox orders?

Standard gearbox models ship within 5-7 business days from our warehouse. Custom-built gearboxes with non-standard ratios, shaft configurations, or special materials typically require 15-25 business days. We maintain extensive stock of common agricultural gearbox models for fast turnaround on urgent orders.

Q4: How often should I change the oil in my corn picker PTO gearbox?

We recommend the first oil change at 50 hours (break-in period) to flush out metal particles from initial gear seating. Subsequent oil changes should occur every 500 hours or annually, whichever comes first. In severe-duty conditions (high temperature, dusty environments, continuous operation), reduce the interval to 250 hours. Always use the specified gear oil grade.

Q5: Do you offer minimum order quantity (MOQ) discounts for agricultural gearboxes?

Yes, we offer tiered pricing for bulk orders. MOQ starts at just 1 unit for standard models, but volume discounts begin at 5 units (5-8% off), 20 units (10-15% off), and 50+ units (negotiable project pricing). OEM customers and distributors receive additional programme benefits. Request a quote for your specific volume.

Q6: What warranty coverage do you provide on PTO gearboxes?

All our agricultural PTO gearboxes carry a standard 18-month warranty from date of delivery, covering defects in materials and workmanship. Extended warranty options (24 or 36 months) are available for registered units. The warranty includes free replacement parts and technical support. Normal wear items (seals, lubricant) and damage from misuse or improper installation are excluded.

Q7: Can the gearbox handle the shock loads typical of corn picker operation?

Absolutely. Our corn picker PTO gearbox is designed with generous safety factors (typically 2.0-2.5x rated load) to absorb the shock loads and transient peaks common in corn picker applications. The hardened gear teeth, oversized bearings, and robust housing all contribute to excellent shock load resilience. For extreme applications, we offer reinforced models with even higher ratings.

Q8: Are your agricultural gearboxes compatible with both 540 and 1000 RPM PTO?

We offer models for both 540 RPM and 1000 RPM PTO systems, as well as dual-speed models that accept either input. When ordering, specify your tractor’s PTO speed so we can supply the correct gear ratio for your target output speed. Adapters for converting between 6-spline (540 RPM) and 21-spline (1000 RPM) shafts are also available.

Q9: Do you ship to rural and remote areas in Australia?

Yes, we ship nationwide across Australia including remote and regional areas. We use established freight networks experienced in heavy agricultural equipment delivery. Standard delivery to major cities is 3-5 business days; regional areas 5-10 business days. Express freight options are available for urgent requirements.

Q10: Can you supply a complete PTO shaft and gearbox assembly for my corn picker?

Yes, we manufacture both PTO gearboxes and PTO shafts, so we can supply a complete, matched drivetrain assembly. This ensures optimal compatibility, correct shaft length, proper U-joint phasing, and simplified ordering. Bundled packages offer cost savings of 8-12% compared to purchasing components separately.

🔩 Related Product — PTO Drive Shafts for Corn Picker

For a complete drivetrain solution, pair your corn picker PTO gearbox with our high-quality PTO drive shafts. Manufactured with precision-ground splines, heavy-duty universal joints, and integrated safety shields, our PTO shafts are designed for reliable, safe power transmission between your tractor and implement.

Our PTO shaft range includes standard duty, heavy duty, and wide-angle options in all common lengths and spline configurations. Bundle your PTO gearbox and PTO shaft order for 8-12% savings.

View Our Full PTO Shaft Range →

🚨 Ready to Order? Let Us Power Your Corn Picker

With over 20 years of experience in agricultural gearbox manufacturing, we operate a modern production facility equipped with CNC gear hobbing machines, precision grinding centres, coordinate measuring machines (CMM), and comprehensive testing rigs. Our annual production capacity exceeds 50,000 gearbox units, serving customers across Australia, North America, Europe, and Southeast Asia.

Our product range extends beyond PTO gearboxes to include PTO drive shafts, agricultural gear reducers, angle drives, post hole digger gearboxes, fertiliser spreader gearboxes, rotary cutter gearboxes, and a full catalogue of drivetrain components for farm machinery. Learn more about our company →

★ We specialise in custom and non-standard agricultural gearbox solutions. We do not only offer standard, off-the-shelf PTO gearboxes — our engineering team works directly with you to develop bespoke gearbox designs tailored to your unique specifications. Whether you need a modified gear ratio, special shaft configuration, custom housing dimensions, or a complete OEM gearbox designed from scratch, we welcome your drawings, samples, and specifications.

📧 Request a Quote Now
🏠 Browse All Products

Custom OEM agricultural gearboxes — Send us your drawings and samples for a free quotation.