High Output Travel Gearbox With Drive Motor 22B-60-11351 For Komatsu Excavator PC138USLC-2 PC138US-2 PC138US-8 Undercarriage Assembly Built Like A Tank For Tough Dirt Work And Serious Ripping Hustle

Single Komatsu Travel Gearbox Drive Motor Direct Install Kit
✔️ 22B-60-11351 drive motor bolts straight to PC138 compact crawlers

This heavy duty travel gearbox assembly provides direct power transfer for stubborn ground conditions and frequent track shifts. Operators use this exact component to replace worn out drive motors on compact and midsize crawler rigs without swapping out the full chassis frame.

✅ OEM cross reference number 22B-60-11351 for precise mounting clearance
✅ Sealed metal housing blocks grit and mud from washing away internal grease
✅ Straight bolt-in fitment skips weld cuts and saves setup time fast

Checking these components keeps your rig handy on tough sites and stops unexpected breakdowns from halting your daily grind.
- Wipe and test the main output seals every hundred cycles to stop sludge from eating into bronze bushings
- Refill synthetic grease whenever muddy ruts suck extra torque through the final drive reduction gears
- Watch for side-to-side wobble during pivots and tighten bearing preload immediately to save the spline shaft

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