JCB Final Drive Gear with Bearing (2nd Stage Reduction) 20T - 05/903836
High-quality second-stage reduction planetary gear, equipped with an integrated bearing, dedicated to JCB final drives. A key component of the planetary gear system that transfers loads during the final phase of RPM reduction. The product is characterized by high manufacturing precision and a hardened tooth surface, which guarantees smooth operation of the travel system and exceptional wear resistance in demanding conditions.
Technical Specification:
- Reduction Stage: Second (2nd stage).
- Number of Teeth: 20T.
- Equipment: Integrated needle/roller bearing with high load capacity.
- Material: Hardened steel with increased impact resistance.
Compatibility:
| Machine Type | Models and Series |
|---|
| JS Crawler Excavators |
JS 115, JS 130, JS 145, JS 160, JS 180 (including versions from 1995 onwards) |
| JZ Crawler Excavators |
JZ 140 |
Workshop Technical Advice: Second-stage planetary gears operate under significantly higher torque than first-stage gears. When replacing a single 20T gear, it is essential to check the condition of the other planetary gears in this set – uneven tooth wear can lead to vibrations and premature damage to the final drive ring gear. Before installation, ensure that the planetary gear pins show no signs of seizure. Always use fresh gear oil and check the tightness of the drain plugs to avoid running the gearbox dry.
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