Travel Gearbox With Motor Assembly For Komatsu Excavator PC120-3 PC100U-3 PC100US-3 PC120S-3 Heavy Duty Hydraulic Drivetrain Replacement Direct Bolt On Swap Plug And Play Rig Upgrade Built Like A Tank
UPC:
Premium Travel Gearbox And Motor For Komatsu Excavators
✔️ Qty 203-60-00301 Direct Bolt Swap Fits PC120 Hydraulic Units
Crews rely on this direct replacement travel gear assembly to step in whenever standard hydrostatic drives start slipping or overheating. You typically weld or bolt this heavy duty drivetrain piece straight onto the carrier frame to restore reliable ground speed and climbing torque on steep terrain.
✅ Built with thick steel casing handles brutal vibration loads✅ Matched internal sprockets deliver steady torque output
✅ Exact factory cutouts enable straightforward drop-in swap
✅ Fully enclosed bushings stop dirt from eating moving parts
💡 What inspection checklist prevents premature failure in commercial track drive reducers?
Keeping your equipment on site requires a pretty handy habit of chasing down small leaks early. Mechanics trust these proven steps to extend the service life of every heavy hydraulic component.
- Check seal faces around the main output shaft for fresh hydraulic drips
- Tighten axle nuts using a calibrated wrench every fifteen service hours
- Drain and rinse the central gear sump when sludge starts clumping up
- Align the track tension links evenly to stop uneven drum friction