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HMB7-4.6-P-HV272
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Product Introduction
HMB7-4.6-P-HV272 hydraulic motor is one of the hatch cover hydraulic motors used in bulk carriers, short delivery cycle, Long service life, reliable performance, displacement 4588 cm3/r, rated pressure 210bar. Hydrostatic balancing technology, with high efficiency, good starting torque and stable operation. Built-in oil drain valve, only 2 main oil ports are needed, and the leakage oil pipe is omitted. The hydraulic motor and the integrated control valve are combined into a single unit.
HMB7-4.6-P-HV272 is a high-speed, fixed-displacement axial piston hydraulic motor designed for applications requiring high speed and power density. With its core strengths of high speed, compactness, and high efficiency, HMB7-4.6-P-HV272 is suitable for space-sensitive industrial and specialty vehicle applications requiring fast response, offering a flexible alternative to electric motors or low-speed motors.
Heavy‑duty large roller bearing shaft, sustain large external shaft radial load, suitable for direct‑drive winch without gearbox
HV272 free‑wheeling cartridge: winch lowering can free‑run, reduce heat generation and wear
High case pressure tolerance, can use internal drain circuit to save external drain piping
Widely used on merchant ship deck machinery; aftermarket replacement parts & repair service available globally
Alternative: HMB7‑4.6‑P‑HVxxx, HV272 is specific valve variant; cannot simply swap with HV341 without checking drawing
Spare parts: seal kits, piston assemblies, HV272 valve cartridge are common service items
Interchange: many marine spare suppliers offer drop‑in replacement for original Bauer HMB7‑4.6‑P‑HV272
Original OEM: Imenco‑Bauer (Norway). Original drawings are controlled OEM documentation.
Aftermarket drop‑in alternatives are available from several marine hydraulic rebuild houses; verify P‑flange dimensions, shaft size, HV272 pilot cavity before ordering.
Rebuild service: Marine workshops commonly overhaul HMB7 series; require full pressure test, free‑wheel function test after repairment.
Technical Parameters
Motor type | Geometric | Average | SPEED | PRESSURE | OUTPUT POWER | |||
Rated. | Max. | Rated. | Max. | Rated. | Max. | |||
HMB7-4.6 | 4588 | 65.65 | 105 | 130 | 210 | 275 | 151 | 180 |
