HL-A10VSO HYDRAULIC PUMPS
Variable Displacement Axial Piston Pump for Open Circuit

Variable Displacement Axial Piston Pump for Open Circuit

The HL-A10VSO variable displacement pump is designed to bring efficient and high-pressure hydraulic power to your open-loop system. Whether you're handling heavy loads or operating under high pressure, this pump delivers smooth and reliable performance to keep your equipment running at its best.

  • Displacement 18-140 cm³/rev
  • Nominal pressure 280 bar
  • Max. allowable pressure 350 bar
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Technical Data
Size 18 28 45 71 100 140
Geometric displacement Vgmax cm³/rev 18 28 45 71 100 140
Max. rotation speed nomax rpm 3300 3000 2600 2200 2000 1800
Max. rotation speed
(as inlet pressure Pabs increases and Vg < Vgmax) 		nomax rpm 3900 3600 3100 2600 2400 2100
Max. flow at no max qvo max L/min 59.4 84 117 156 200 252
at nE=1500rpm L/min 27 42 68 107 150 210
Max. power Δp=280 bar at no max Po max kW 27.7 39 55 73 93 118
at nE=1500rpm kW 12.6 20 32 50 70 98
Torque at Vg max (Δp=280 bar) Tmax Nm 80.1 125 200 316 445 623
Torque at Vg max (Δp=100 bar) T Nm 28.6 54 72 113 159 223
Moment of inertia for drive shaft J kgm² 0.00093 0,0017 0,0033 0,0083 0,0167 0,0242
Case volume L L 0.4 0,7 1,0 1,6 2,2 3,0
Weight without hydraulic oil m kg 12 15 21 33 45 60
Features
  • axial piston variable displacement pump Flow rate adjusts in proportion to drive speed and displacement, ensuring precise hydraulic control.
  • ISO/SAE standard mounting flange Designed for seamless installation in your existing system.
  • SAE flange connections Compatible with both metric and UNC-threaded bolts for secure assembly.
  • dual housing drain ports Enhances installation flexibility and improves cooling.
  • superior suction performance Keeps hydraulic fluid flowing efficiently, preventing cavitation.
  • low-noise operation Minimizes vibration and noise levels, making your work environment more comfortable.
  • long service life Built with high-quality materials to withstand demanding conditions.
  • axial and radial load capability Engineered to handle heavy loads and ensure long-term durability.
  • high power-to-weight ratio Compact and lightweight without compromising performance.
  • fast response time Quickly adapts to system demands, providing smooth and efficient operation.
  • through-drive capability Enables integration into multi-circuit systems, expanding functionality.
  • Control Mode DR, DRG, DFR, DFR1, DFLR
Applications
Mining and Quarrying Equipment
Mining and Quarrying Equipment
Marine and Offshore Equipment
Marine and Offshore Equipment
Metallurgical and Steelmaking Equipment
Metallurgical and Steelmaking Equipment
Construction Machinery
Construction Machinery
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