The Kawasaki Staffa HMB030/P/21 is a mid-range fixed displacement radial piston hydraulic motor that delivers exceptional torque density and operational efficiency with 442 cc/rev displacement in a relatively compact installation envelope. Built on Kawasaki's proven radial piston architecture with unique hydrostatic balancing, the motor achieves high volumetric and mechanical efficiency across the full operating range, with maximum speeds up to 450 RPM and continuous power output of 42 kW.
Technical Specifications:
- Displacement: 442 cc/rev
- Max. Continuous Pressure: 207 bar
- Max. Intermittent Pressure: 241 bar
- Max. Continuous Speed: 450 RPM
- Max. Continuous Power: 42 kW
- Torque Output: 6.56 Nm/bar
- Shaft: 55mm parallel keyed
- Port Configuration: 21
- Fluid Type: Mineral oil (standard)
- Special Features: Improved cavitation resistance (standard on monobloc models)
- Seals: Standard
- Mounting Orientation: Horizontal/vertically down
- Genuine Kawasaki Staffa HMB030/P/21
Common Applications:
- Plastic injection molding machines
- Tunnel boring machine cutting head drives
- Waste recycling and shredding equipment
- Crusher drive systems for mining and aggregate processing
- Cargo handling equipment on marine vessels
Parts List PDF
