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Replacement DX85R-3 170301-00197G Excavator Swing Motor Original New For Crawler Excavator Parts

Swing motor assembly
August 05, 2025
Category Connection: Excavator Swing Motor
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High-pressure oil from the hydraulic pump enters the motor, rotating the rotor (e.g., axial piston or gerotor assembly). A planetary gear reducer then converts high-speed/low-torque output into low-speed/high-torque force, driving the slewing ring’s gear teeth. Cushion valves absorb shock during start/stop, ensuring motion stability.
Tags:
#swing drive hydraulic motor #hydraulic swing motor #excavator slew motor
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