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Belparts excavator PC18MR-3 hydraulic main pump 22j-60-25900 22j-60-35900 mini excavator
| PRODUCT DESCRIPTION | ||
| Model: PC18MR-3 | Part number: 22j-60-25900 22j-60-35900 | |
| Brand: komatsu | Place of Origin:Other Country | |
| Condition: Original & Oem | Warranty: 12 months | |
| MOQ: 1 pcs | Production Capacity: 1000pcs /Month | |
| Standard or Nonstandard: Standard | Payment Term: L/C,T/T,Tradeassurance | |
| Delivery Time: 3-5 days (depend on order) | Means of Transport: By Sea, Air or DHL/EMS | |
| Guarantee: We will check and send detailed pictures to buyers for confirmation | ||
The swing motor is the core hydraulic actuator enabling 360° rotation of the excavator’s upper structure (cab + boom). Driven by hydraulic oil, its internal gears or pistons generate high torque to rotate the slewing ring smoothly, ensuring precise positioning and efficient operation.
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.
