9301480 Travel Motor Final Drive Assembly for Hitachi Excavator

This mining grade heavy-duty walking reducer assembly (walking gearbox) has core original part numbers and cross index numbers including: 9301480, 9301479, 9270013, 4610103, and 4688059. This assembly is specially designed for Hitachi's ultra large excavators, perfectly matching core mining models such as EX1200-6 and ZX1800K-3 in the hundred ton class. The product is designed with multi-stage planetary gear transmission based on first principles, capable of bearing extreme heavy load impacts and ensuring absolute certainty of output torque. The physical dimensions of the packaging are approximately 1150mm × 1150mm × 1280mm, with an overall net weight of approximately 1480kg. The original factory standard position is precisely aligned.

"Extreme obstacle clearance and heavy-duty fastening: When using heavy-duty lifting equipment for docking, the base surface of the frame must be absolutely flat and free of any high protruding foreign objects. All high-strength installation bolts must be coated with anti seize compound and tightened symmetrically and in stages using a high torque hydraulic wrench in strict accordance with the original factory's specified torque.

Oil level review and oil drain pipe inspection: After installation, the oil port must be horizontally aligned to ensure that the gear oil is filled to the standard observation line. When connecting with the matching motor, it is necessary to check the smoothness of the motor oil discharge pipeline to prevent excessive back pressure from puncturing the floating oil seal.

Transition of no-load test: When the track is supported or in an unloaded state, control the single-sided walking mechanism to alternate micro motion forward and backward for 15-20 minutes, closely monitor the meshing sound of the planetary gears, and confirm that the thermodynamic state is normal before entering the mining operation face."