Product Overview 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. Interchange Part Numbers 114-1478, 137-3531 Compatible