HL-A4FM HYDRAULIC MOTORS
Fixed Displacement Axial Piston Motor for Closed Circuit

Fixed Displacement Axial Piston Motor for Closed Circuit

The HL-A4FM fixed displacement motor is built to handle heavy loads and high-torque applications with efficiency and reliability. Whether you're running industrial machinery or construction equipment, this motor ensures steady power output and long-term durability, keeping your operations smooth and productive.

  • Displacement 40-500 cm³/rev
  • Nominal pressure 350 bar
  • Max. allowable pressure 400 bar
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Technical Data
Size 40 71 125 250 500
Displacement Vgmax cm³/r 40 71 125 250 500
Max. rotation speed nmax continuous rpm 4000 3200 2600 2200 1800
Max. flow at n=nmax L/min 160 227 325 550 900
at n=1500rpm 60 107 186 375 750
Torque constant Nm/bar 0.64 1.13 1.99 3.97 7.95
Max. torque (Δp=350 bar) Nm 223 395 696 1391 2783
Weight kg 15 35 62 122 235
Features
  • axial piston motor with swashplate design Provides consistent hydraulic power transmission, making it a dependable choice for demanding systems.
  • proportional speed control Output speed adjusts in direct proportion to flow rate and inversely to displacement, allowing for smooth and precise system performance.
  • high-precision bearings Designed for extended service life, reducing downtime and maintenance costs.
  • compact, lightweight, and low-noise build Optimized to fit into space-sensitive systems while maintaining quiet operation.
  • hydrostatic balanced shoes Improve wear resistance and longevity, keeping the motor running efficiently under continuous heavy loads.
Applications
Construction Machinery
Construction Machinery
Marine and Offshore Equipment
Marine and Offshore Equipment
Mining and Quarrying Equipment
Mining and Quarrying Equipment
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At Hilead, every composite hydraulic press is custom-designed to match your specific needs. Beyond molding SMC, BMC, GMT, LET-D, and other thermoset, thermoplastic, and carbon fiber composites, we also offer complete automated system solutions for advanced composite material applications. Our presses are widely used in industries such as marine, automotive, construction, petrochemicals, energy, building materials, power and electrical equipment, telecommunications, rail transit, aerospace, and aviation.

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