HMSJ 80/100/125/160/200/250/315/400/475 Hydraulic Motor With Built-in Brake | Radial Piston Travel Motor Manufacturer For Heavy Construction Machinery
HMSJ series hydraulic motor is a low-speed high-torque radial piston hydraulic motor with built-in parking brake. Adopting multi-stroke inner curve piston structure, floating valve plate and molybdenum-coated wear-resistant technology, it features stable operation, high efficiency and low internal leakage. With rated pressure of 25MPa and peak pressure of 31.5MPa, it runs smoothly at ultra-low speed of 1rpm without vibration or crawling. The integrated mechanical brake adopts spring-applied and hydraulic-release structure, locking automatically after shutdown to prevent slipping. No extra reducer or brake device is required. Compact structure and excellent sealing make it suitable for heavy-duty and harsh working conditions such as mining, mixer trucks, road machinery and marine equipment. Interchangeable with imported motors, customizable specifications and reliable warranty.
| (ml/r)Displacement | 80 | 100 | 125 | 160 | 200 | 250 | 315 | 400 | 475 | |
| (LPM) Flow | Continuous | 65 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Intermittent | 80 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | |
| (RPM) speed | Continuous | 800 | 748 | 600 | 470 | 375 | 300 | 240 | 185 | 155 |
| Intermittent | 988 | 900 | 720 | 560 | 450 | 360 | 280 | 225 | 185 | |
| (Mps) pressure | Continuous | 20.5 | 20.5 | 20.5 | 21 | 21 | 20 | 20 | 16 | 14 |
| Intermittent | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 | 17.5 | 15 | |
| (N*m) Torque | Continuous | 225 | 290 | 365 | 485 | 586 | 708 | 880 | 880 | 910 |
| Intermittent | 250 | 320 | 400 | 540 | 645 | 806 | 960 | 960 | 960 | |
Core Advantages
- Integrated parking brake with spring-applied & hydraulic release design, self-locking after shutdown to avoid slipping with higher safety
Multi-stroke inner curve piston structure, stable output at 1rpm without torque pulsation or crawling vibration
Outstanding high pressure resistance: rated 25MPa, peak 31.5MPa, powerful torque output for heavy loads
Molybdenum-coated pistons and floating valve plate reduce wear and internal leakage, greatly extending service life
All-in-one brake motor design removes external reducer, simplifies hydraulic system and lightens equipment weight
Various output shafts, universal flanges and oil ports, interchangeable mounting dimensions for direct replacement of imported motors
Thickened high-strength housing with multi-layer sealing, dust and salt spray resistant for harsh mining & marine conditions
Custom displacement, flange, shaft type and anti-corrosion coating available, 12-month full warranty
Applications
Concrete mixer truck, mining dumper, road paver, mining winch equipment, marine deck machinery, heavy-duty travel and swing equipment

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