KOBELCO SK200-8 210-8 250-8 Excavator Final Drive Assembly Parts GM38VB

In excavators (such as the Kobelco SK200-8), the travel assembly or travel motor primarily serves the following functions:

1. Converting hydraulic system output to drive track movement.

When the operator pushes the excavator, the hydraulic pump sends hydraulic oil to the motor. The motor rotates, driving the reduction gear, which then outputs the power to the drive gears, ultimately moving the wheels/track chains.

This enables the excavator to move forward, backward, turn, and stop.

2. Handling the drive requirements of high loads and low speeds with high torque.

Crawler excavators require strong traction and torsional resistance in earthmoving, mining, crushing, and slope applications. The travel assembly must ensure sufficient torque and reliable durability.

The final reduction gear set converts the motor's high-speed rotation to a lower speed, higher torque output suitable for track drive.

3. Collaborating with the chassis structure to ensure stability and mobility.

During track movement and turning, the travel assembly must withstand the combined stresses from the machine body, engineering loads, and ground reaction forces. It is a key component of the tracked chassis system. If this component fails, it will cause slow movement, deviation, slippage, or even complete inability to move, severely affecting the machine's operational capabilities.