OMFB Type HDS Series Bent-Axis Piston Motor | HDS40, HDS47, HDS55, HDS64 | ISO 7653

OMFB Type HDS Series High-Pressure Bent-Axis Piston Motors (ISO Standard)

Product Overview: The HDS Series bent-axis piston motor is the premier choice for mobile hydraulics and truck-mounted power systems. Utilizing advanced 40° bent-axis technology, these high-performance motors are engineered to deliver an exceptional power-to-weight ratio under the most demanding conditions. This range highlights premium specifications: HDS40, HDS47, HDS55, HDS64, and the specialized HDS40D-R. Fully compliant with ISO 7653 mounting standards and featuring a 32X36 splined shaft, the HDS series is capable of withstanding instantaneous peak pressures up to 400 Bar. With its compact spherical piston architecture, these motors maintain superior starting torque and mechanical efficiency across extreme temperature ranges.

Key Technical Advantages:

• Extreme Pressure Durability: Rated operating pressures reach 35 MPa (350 Bar) with peaks up to 40 MPa (400 Bar), perfectly matching the heavy-duty cycles of tipper trucks and cranes.

• Patented 40° Bent-Axis Design: Compared to traditional swash-plate motors, the bent-axis design provides higher self-priming capabilities and a broader speed range, significantly enhancing dynamic system response.

• Standardized ISO Interface: Strictly adheres to ISO 7653 (4-bolt flange) and DIN 5462 (32X36 spline) standards, ensuring seamless compatibility with mainstream Power Take-Offs (PTO) and hydraulic valves.

• Flexible Porting Options: Supports BSP (G) or UNF threaded connections, facilitating easy integration into global piping standards.

• Superior Longevity: Features a corrosion-resistant housing and high-precision internal components with excellent wear resistance, extending the motor’s service life in rugged outdoor environments.

• Target Applications: Truck-mounted cranes, aerial work platforms, refuse compactors, road sweepers, forestry machinery, and specialized truck-mounted Hydraulic Power Units (HPU).

Detailed Models & Parameters:

• Core Series: OMFB Type HDS Series (Fixed Displacement Bent-Axis).

• Model Keywords: HDS40, HDS47, HDS55, HDS64, HDS40D-R.

• Mounting Standard: ISO 7653 (4-Bolt Flange).

• Shaft Specs: DIN 5462 (32X36 Spline).

• Displacement Ratings (cm³/rev): Complete spectrum including 40, 47, 55, and 64.

• Interface Specs: Available with BSP / UNF threaded ports.

• Pressure Ratings: Rated continuous pressure at 350 Bar (35 MPa); Peak pressure up to 400 Bar (40 MPa).