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A rotary cutter gearbox is a mechanical device that transmits power from a tractor's power take-off (PTO) to the blades of a rotary cutter, also known as a brush hog or mower. It increases torque and reduces speed to ensure efficient cutting of heavy vegetation, grass, and rough terrain. Built for durability, it handles high loads and harsh conditions, making it essential in agricultural, landscaping, and maintenance operations.
| Parameter | Specification | Description |
|---|---|---|
| Gear Ratio | 1:1.5 to 1:3 | Adjustable ratios for optimal speed and torque based on application needs. |
| Input Speed | 540 RPM or 1000 RPM | Standard PTO speeds ensure compatibility with most tractors. |
| Output Torque | Up to 2000 Nm | High torque output for cutting thick brush and tough materials. |
| Housing Material | Grade 25 Cast Iron | Provides excellent strength and resistance to environmental damage. |
| Lubrication | SAE 80W-90 Oil | Recommended oil type for smooth gear operation and longevity. |
| Weight | 15-30 kg | Varies by model, designed for easy installation and handling. |
| Operating Temperature | -20°C to 80°C | Suitable for use in diverse climatic conditions. |
Our rotary cutter gearboxes are widely used in multiple industries for efficient vegetation management. Common applications include:
What is the typical lifespan of a rotary cutter gearbox?
With proper maintenance, such as regular lubrication and inspection, a rotary cutter gearbox can last between 5 to 10 years, depending on usage intensity and environmental conditions.
How often should I lubricate the gearbox?
It is recommended to check and lubricate the gearbox every 50 hours of operation or at least once per season. Use SAE 80W-90 oil and ensure seals are intact to prevent contamination.
Can I use this gearbox with any tractor model?
Our gearboxes are designed to be compatible with standard tractors having 540 RPM or 1000 RPM PTO shafts. Always verify the tractor's PTO specifications and match them with the gearbox input requirements for safe operation.
What are the signs of gearbox failure?
Common signs include unusual noises like grinding or knocking, oil leaks, overheating, and decreased cutting performance. Regular inspections can help detect issues early and prevent major repairs.
Is it possible to repair a damaged gearbox, or should it be replaced?
Minor issues such as seal leaks or worn bearings can often be repaired by replacing parts. However, severe damage like cracked housing or broken gears may require full replacement to ensure reliability and safety.
How do I choose the right gear ratio for my application?
Select a gear ratio based on your cutting needs: lower ratios (e.g., 1:1.5) for higher speed in light vegetation, and higher ratios (e.g., 1:3) for increased torque in heavy brush. Consult your equipment manual or a specialist for guidance.
What maintenance steps are essential for optimal performance?
Key maintenance includes checking oil levels regularly, inspecting for leaks, cleaning external surfaces, and ensuring all bolts and connections are tight. Follow the manufacturer's guidelines for specific intervals and procedures.
Are these gearboxes resistant to corrosion?
Yes, the cast iron housing and treated components offer good corrosion resistance. For extended life in humid or salty environments, apply protective coatings and store the equipment in a dry place when not in use.
