Product Description
Precision is the difference between a smooth shift and a broken gear. Our Agri gearbox selector fork groove is a critical component for agricultural transmission systems, where friction and wear are constant threats. At Kangding Machinery, we use wear-resistant alloy steels processed through our proprietary heat treatment lines to ensure a uniform hardness of HRC 40–48. Each Agri gearbox selector fork groove is finished with high surface smoothness (Ra≤1.6μm) to ensure the shifting mechanism moves without lag or jamming, even during frequent gear changes in heavy-load field operations.
We understand that a Agri gearbox selector fork groove must maintain its geometry under immense pressure. That's why we hold tolerances as tight as ±0.02mm on the groove width. By being a primary supplier to Sany Heavy Industry, we've proven our ability to meet the most demanding third-party audits. We don't just sell parts; we sell peace of mind. Our parts ensure that gears engage reliably every time, reducing the risk of transmission failure in harvesters and high-horsepower tractors.

Specifications
|
Material |
45# Steel / 40Cr Alloy Steel |
|
Tolerance |
±0.02mm on groove width |
|
Surface Roughness |
Ra ≤ 1.6μm |
|
Straightness |
≤ 0.03mm/100mm |
|
Operating Temp |
-35°C to 120°C |
Application
Designed for the gearboxes and shifting mechanisms of tractors (30-220 HP), harvesters, and rotary tillers.
Factory Strength & Customization
We operate 17 heat treatment units and 40+ CNC machines in our 25,000sqm workshop. We support OEM/ODM and can adapt the groove width and mounting style to fit your specific gearbox model.
Quality Control & Shipping
Our specialized quality control team monitors every stage. We offer 100% inspection if required. Shipping terms include EXW, FOB, and DDP, with a standard payment term of 30% deposit, 50% before shipping, and 20% balance.
FAQ
Q: How do you ensure surface hardness?
A: We use a fully automated heat treatment line and verify every batch with metallographic microscopes.
Q: Is there a discount for large orders?
A: Yes, we offer tiered pricing for high-volume procurement.
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