Travel Assembly Part No. 21N-27-00140 21N-27-00191
Suitable for Komatsu Excavator Models PC1250-7, PC1250-8, PC1250-11
Procurement Guidelines for Travel Motor
- Verify OEM part number and confirm assembly compatibility with PC1250-8, including travel motor, reducer, and brake assembly
- New or remanufactured assemblies must include bench test reports for pressure, output torque, and internal leakage
- For remanufactured units, confirm replacement of pistons, valve plate, planetary gears, bearings, and all oil seals
- Inspect housing for cracks and verify intact oil seals upon arrival. Protect ports to prevent contamination
- Secure assembly during transportation to avoid impact damage to output shaft and precision gear components
- Clean hydraulic pipelines before installation, replace hydraulic filters, and properly bleed air from system
- Test travel speed, climbing torque, and brake performance; check for oil leakage and crawler deviation after installation