Travel Motor Assembly 114-1478 137-3531 for E320B E330B Excavator

This hydraulic travel motor assembly, also known as a final drive, is the walking drive core component for excavators and is compatible with the E320B and E330B models. It delivers driving torque for machine movement and integrates a hydraulic motor with a reduction gearbox. Precision machining ensures stable output torque and reliable sealing, making it well suited for equipment overhaul and replacement.

• Slow travel speed or weak driving torque
• Travel jitter and abnormal noise during movement
• Oil leakage from the sealing surface and joints
• No travel on one side, or travel brake failure
• Overheating after long running periods

• Confirm the machine model before ordering
• Check the part number against your old travel assembly
• Keep hydraulic oil clean during installation
• Replace the seal kit together if needed