Komatsu HD785-7 Dump Truck Final Drive Assembly 561-22-78403 561-22-78004 561-22-78005 561-22-78001 Heavy Duty Travel Motor

1. Heavy-duty planetary gear set:

Utilizing a multi-stage surface-hardened planetary gear design, it is specifically designed to withstand the enormous torque required by fully loaded, 100-ton trucks climbing hills, offering exceptional impact resistance.

2. Enhanced heat dissipation:

Optimized housing design and internal lubriTQTQCATion channels to address the high heat generated by continuous long-distance transportation in mining trucks, ensuring stable oil temperature under continuous operation and preventing oil seal failure due to high temperatures.

3. Top-tier sealing technology:

Equipped with heavy-duty double-cone floating oil seals (mechanical face seals), providing zero-leakage protection in harsh mining environments such as coal dust, mud, and water immersion, preventing impurities from entering and damaging the gears.

4. Precision machining:

Manufactured strictly according to OEM tolerances, ensuring perfect alignment with the wheel hub and braking system, effectively reducing vibration and abnormal wear during high-speed operation.

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