Excavator E120 E120B Travel Gearbox 085-6798 085-6797 0990199 0994141 For Cat Drive Reduction Gearbox

The excavator final drive includes both the hydraulic travel motor and the gearbox.
The travel motor converts hydraulic pressure into rotational force, providing the power needed to move the tracks. The gearbox then reduces the motor’s high-speed rotation into the strong, controlled torque required to drive the excavator forward or backward, even under heavy loads.

Choosing a high-quality travel motor and gearbox is crucial for ensuring smooth travel, maximum efficiency, and long service life. Durable components reduce downtime, handle demanding worksite conditions, and help maintain consistent performance over time—keeping your machine working at its best.

Why choose Glparts for replacement parts?

GLPARTS supplies travel gearboxes built to handle the tough demands of excavation work—day after day. Each unit is precisely manufactured and thoroughly tested for smooth operation, strong torque delivery, and a long working life, even in harsh site conditions.

Our customers rely on us for parts that fit right the first time, fair pricing, and quick delivery. If you have questions or need advice, our team responds fast and knows the equipment inside out. When you choose GLPARTS, you get more than a spare part—you get the confidence your machine will be back to work without delay.

Signs of Travel Motor Failure

1. Abnormal Noise
Grinding, knocking, or whining during operation may indicate internal wear or damaged components.

2. Power Loss and Mobility Issues
Difficulty climbing, turning, or maintaining travel speed suggests reduced hydraulic output from the motor.

3. Hydraulic Fluid Leaks
Seal failure can cause oil loss, lowering efficiency and accelerating component damage.

4. Overheating
Excessive temperature may result from overloading, lubrication failure, or internal friction.

5. Preventive Maintenance
Routine checks for leaks, noise, heat, and performance changes help detect problems before costly failures occur.

When you choose GLPARTS, you get more than a spare part—you get the confidence your machine will be back to work without delay.