Heavy-Duty Final Drive Parts & Excavator Travel Gearbox Components

If your excavator is struggling to track straight or you hear a grinding noise coming from the undercarriage, a worn replacement final drive part is likely the cause. As the mechanical muscle of your machine, high-torque planetary gears and sun shafts translate hydraulic power into the massive force needed for travel. BeeSpareParts stocks a massive inventory of gearbox assemblies and individual components designed to withstand the extreme shock loads of rocky terrain and heavy digging.

Drive system failures are often progressive and can be prevented with early intervention. We highly recommend inspecting your Floating Seals regularly to prevent oil leaks that lead to gear failure, or browsing our if your machine has lost all pulling power. Our final drive components are direct-fit alternatives to expensive OEM units, featuring precision-hardened steel to prevent tooth chipping and ensure long-term durability.

Whether you need a planetary gear set for a 20-ton excavator, a travel shaft for a mini-digger, or a complete gearbox rebuild kit, our parts are factory-tested for fitment and ready for fast international shipping. Restore your machine’s mobility—order your heavy-duty final drive solutions today.

Fits for:

• Engine & Model Series: 4BT, 6BT, 4D95, 6D102, S6K, J05E, J08E, 4HK1, 6HK1.

• Equipment Models: ZX, PC, SK, EC, EX series excavators, crawlers, and heavy-duty tracked vehicles.