Genuine replacement hydraulic swing motor for the AM16 mini excavator. Controls the 360° turret rotation (slew) movement. Direct fit, no modifications needed.
Specifications
Type: Fixed-displacement radial piston motor
Displacement: 51 cc/rev (8 cc/rev pilot)
Max Operating Pressure: 16 MPa (160 bar)
Flow Rating: 25–30 L/min at rated pressure
Max RPM: 600 rpm (continuous duty)
Torque Output: 81 Nm at rated pressure
Port Connections: SAE flange (ISO 4401-05)
Rotation: Bi-directional (CW/CCW)
Compatibility
Fits: AM16 1.6T mini excavator with Laidong KM385 engine
System Pressure: 16 MPa hydraulic system
Note: Not compatible with AM10 or AM12 models (different displacement and pressure ratings).
Performance
Rated for continuous slew operation (6–8 hours per day minimum duty cycle)
Smooth low-speed control thanks to dual displacement design
Fail-safe brake hold (pilot-operated, spring-return)
Installation Notes
Flush existing oil from case before installation
Check for contaminants in hydraulic fluid (use ISO VG 46 or equivalent)
Prime motor with fluid before first operation to prevent cavitation damage
Test slew rotation through full 360° range; listen for smooth engagement
