704-71-44002 PUMP ASSY
The bulldozer pump assembly is the core component of the hydraulic system and power transmission, consisting of key components such as the pump body, drive shaft, plunger/gear, etc. Its main function is to convert the mechanical energy of the engine into hydraulic energy or mechanical kinetic energy, providing power for walking, steering, and operating devices (such as shovels and bulldozers). According to the differences in driving objects and structures, common types include walking pump assemblies, fan pump assemblies, diesel pump assemblies, etc., which are widely compatible with mainstream models such as Komatsu, Shantui, and Caterpillar.
Application of pump assembly
Earthwork engineering
The walking pump assembly drives the bulldozer to complete tasks such as site leveling and roadbed construction, and cooperates with the hydraulic system to dynamically adjust the walking speed and traction force..
Mining operations
The assembly of fan pump, diesel pump, etc. ensures the stability of engine heat dissipation and fuel supply for large bulldozers (such as Komatsu D275) under high load.
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