The final drive, also called travel motor or travel device, is a core component of the hydraulic system that drives the excavator movement. It responsible for reducing the rotational speed of the travel motor and transmitting power to the tracks. As the major power source for the excavator’s track system, it directly impacts the excavator’s movement performance and operational efficiency.
Usually it consists of:
- Travel motor.
- Reducer gearbox.
- Planetary gear sets.
- Sun gears.
- Gear rings, carriers and housing.
- Bearings and seals.
Tunway supplies high-quality final drive products, including both assembly and spare parts, covering travel motor, reducer gearbox, various of gears, seal group, and bearings.

| Travel Motor | Final Drive | Reducer Gearbox | Sun Gear |
| Planetary Gear | Carrier | Housing | RV Gear |
| Gear Ring | Pinion Gear | Case | Holder |
| Travel Device | Seal Group | Shaft Prop | Cover |
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800
800
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800
800
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800
800
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twspares2025-08-05 13:35:252025-08-05 13:35:25TM02 GM02 Final Drive for Mini Excavator CX27 ZX18 PC20 CAT 301.5
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800
800
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800
800
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800
800
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800
800
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667
667
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467
700
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467
700
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450
600
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546
600
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600
620
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600
675
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465
600
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519
600
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599
750
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