Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly
Apr 25, 2025
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# 9136850 hydraulic main pump
# 9122780 hydraulic main pump
# ZX300 hydraulic main pump
Hitachi excavator pump ZX300 ZX300-3 hydraulic main pump 9122780 9136850 pump assembly The hydraulic pump converts mechanical energy into hydraulic energy to power the excavator's hydraulic system. When the engine drives the pump shaft to rotate, the internal pistons or gear sets create oil suction and compression processes, forming a high-pressure oil flow. Belparts hydraulic pumps feature variable displacement design that automatically adjusts output flow according to load
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