HMB125-T-FM3
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Product Introduction
HMB125-T-FM3 hydraulic motor is one of the hatch cover hydraulic motors used in bulk carriers, standard product, short delivery cycle, Long service life, reliable performance, displacement 2050cm3/r, rated pressure 210bar, rated power 117KW. Hydrostatic balancing technology, with high efficiency, good starting torque and stable operation.
HMB125-T-FM3, with its core advantages of large displacement, high torque, and high speed, is a highly effective alternative to traditional electric motors or low-speed motors in medium- and high-voltage systems. Its flange mounting and compact design are particularly well-suited for space-constrained applications, making it widely used in construction machinery, specialized vehicles, and other fields.
HMB: Staffa fixed displacement radial piston hydraulic motor
125: Frame size / displacement code
T: Mounting flange type
FM3: Bearing and speed class (heavy-duty bearing version)
Fixed displacement design, no hydraulic shift function. Constant torque output proportional to system pressure.
Hydrostatically balanced radial piston structure, excellent breakout torque, smooth low-speed rotation, high mechanical efficiency up to 94.1%.
Robust heavy-duty construction, long service life, multiple shaft, port and seal options available.
Optional built-in brake can be fitted on request.
Marine: deck winches, anchor windlasses, marine cranes
Construction & mining: winch drives, crawler track drives, heavy slewing devices
Industrial: shredders, heavy conveyor drives, rotary equipment

HMB series = fixed displacement (one speed); HMC series = two-speed switchable displacement. Do not mix them up in system design.
Spare parts market supplies original Kawasaki Staffa units and aftermarket replacement HMB125-T-FM3 motors.
Confirm flange type, shaft dimension, brake requirement and seal material during selection.
Technical Parameters
Motor type | Geometric | Average | SPEED | PRESSURE | OUTPUT POWER | |||
Rated. | Max. | Rated. | Max. | Rated. | Max. | |||
B125 | 2050 | 28.00 | 190 | 215 | 210 | 275 | 117 | 140 |