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hydraulic axial piston pump / high-efficiency / high-pressure / variable-displacement
A4VG/40 series



  • Type:

    axial piston

  • Other characteristics:

    high-efficiency, high-pressure, variable-displacement, high-power, booster

  • Pressure:

    450 bar (6,527 psi)


High pressure pump for applications in closed circuits up to 500 bar
Size 110 … 280
Nominal pressure 450 bar
Maximum pressure 500 bar
Closed circuit


High power density due to very high pressure level
Integrated boost pump for boost and pilot oil supply
Flow direction changes smoothly when the swashplate is moved through the neutral position
High-pressure relief valves with integrated boost function
With adjustable pressure cut-off as standard
Boost-pressure relief valve
Through drive for mounting of further pumps up to same nominal size
High total efficiency
Large variety of controls
Swashplate design