Planetary Gearboxes and Transmission Units
JSH Series Hydraulic Slewing Drives and Rotary Drive Units
JSH hydraulic slewing drives combine hydraulic motor, planetary gearbox, brake and pinion output for cranes, drilling rigs and rotary systems.
- Selection focus
- Slewing torque, positioning accuracy and holding brake matching
- Typical applications
- Cranes, excavators, turntables, rotary mechanisms

Technical selection reference
Series reference
- Hydraulic slewing drive
- Planetary reduction and brake options
- Output pinion configuration
Engineering review: Confirm slewing torque, holding condition, gear interface and installation space.