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Axial Piston Units
Variable Pumps
Rexroth variable displacement pumps are available high and medium duty pressure offerings. Designs for use in open and closed circuits.

Below is extensive information about our specific variable pump product offering. You can also learn more about the complete range of Rexroth mobile hydraulic applications.



Variable displacement pump A1VO
Data Sheet (PDF)
RE 92 650

Model Code A1VO
Variable Displacement Pump, Open Circuit

Key Features:
  • Size: 18, 35
  • Nominal pressure: 3625 psi (250 bar)
  • Peak pressure: 4000 psi (280 bar)
  • Significant fuel savings up to 15% compared with fixed system
  • Optimized efficiency at the same power level with less fuel consumption
  • Compact design due to integrated controller
  • Increased life time compared to similar gear pump sizes
  • High flexibility though interchangeable through drive adapters.
  • High self-suction speeds
Find out more about Variable Displacement Pump A1VO (PDF)
Variable displacement pump AA4VG
Data Sheet (PDF)
RA 92 003

Model Code AA4VG, Series 32
Variable Displacement Pump, Closed Circuit

Key Features:
  • Sizes: 28 to 250
  • Nominal pressure: 5800 psi (400 bar)
  • Peak pressure: 6500 psi (450 bar)
  • For applications in the high pressure range
  • Integrated auxiliary pump for boost and control oil supply
  • Combined boost and high pressure relief valves
  • Possible to mount additional pump via through drive up to same nominal size.
Find out more about Variable Displacement Pump AA4VG, Series 32 (PDF)
Variable displacement pump AA4VG
Data Sheet (PDF)
RA-A 92 004

Model Code AA4VG, Series 40
Variable Displacement Pump, Closed Circuit

Key Features:
  • Sizes: 45 to 280
  • Nominal pressure: 6500 psi (450 bar)
  • Peak pressure: 7250 psi (500 bar)
  • For applications in the high pressure range
  • Integrated auxiliary pump for boost and control oil supply
  • Combined boost and high pressure relief valves
  • Possible to mount additional pump via through drive up to same nominal size.
  • High efficiency and power density
Find out more about Variable Displacement Pump AA4VG, Series 40 (PDF)
Variable displacement pump for concrete mixer drum drive A4VTG
Data Sheet (PDF)
RE 92 013

Model Code A4VTG
Variable Pump, Closed Circuit
Special Design for Concrete Mixer Drum Drive

Key Features:
  • Sizes: 71, 90
  • Nominal pressure: 5800 psi (400 bar)
  • Peak pressure: 6500 psi (450 bar)
  • Integrated auxiliary pump for boost and control oil supply
  • Combined boost and high pressure relief valves
  • Through drive possibility
  • Compact design
Learn more about Variable Displacement Pump A4VTG (PDF)
Variable displacement pump A4VSO
Data Sheet (PDF)
RA 92 050
RA 92 053, HFC Fluid
RA 92 064, LR Control
RA 92 080, HD Control
RE 95 581, Through Drive

Model Code A4VSO
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 40 to 1000
  • Nominal pressure: 5000 psi (350 bar)
  • Peak pressure: 5800 psi (400 bar)
  • For application use requiring large displacements such as cranes, excavators, and winches.
  • Flexible universal through drive enables easy adaptation of the through drive
Get more information on Variable Displacement Pump A4VSO, HFC Hydraulic Fluids, LR3 Control for A4VSO, or HD Control for A4VSO (all PDF)
Variable displacement pump AA11VO
Data Sheet (PDF)
RA-A 92 500

Model Code AA11VO, Series 1
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 40 to 260
  • Nominal pressure 5000 psi (350 bar)
  • Peak pressure 5800 psi (400 bar)
  • A11VLO with charging pump (impeller) for high speeds
  • Universal through-drive
  • Possible to mount additional pumps on through drive up to the same nominal size
  • Large variety of controls
Get more information on the Variable Displacement Pump AA11VO (PDF)
Variable displacement pump A11VO
Data Sheet (PDF)
RE 92 510

Model Code A11VO, Series 40
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 110, 145, 175, 210, 280
  • Nominal pressure 5000 psi (350 bar)
  • Peak pressure 6100 psi (420 bar)
  • Speeds to 1800 rpm or 2300 rpm with VLO version
  • A11VLO with charging pump (impeller) for high speeds
  • Flexibility with interchangeable through drive adapters
  • High power density
Get more information on the Variable Displacement Pump AA11VO/40 (PDF)
Variable displacement pump A0VO/31
Data Sheet (PDF)
RA-A 92 701
RE 92 705, Series 32
RE 92 709, EF Control

Model Code A10V(S)O, Series 31
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 18 to 140
  • Nominal pressure: 4000 psi (280 bar)
  • Peak pressure: 5000 psi (350 bar)
  • Possible to mount additional pumps on through drive up to same nominal size
  • Large variety of controls
Discover more information on the Variable Displacement Pump A10VO/31 (PDF)
Variable displacement pump A10VO/52 & 53
Data Sheet (PDF)
RA-A 92 703
RE 92 709, EF Control

Model Code A10VO, Series 52 & 53
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 10 to 100
  • Nominal pressure: 3600 psi (250 bar)
  • Peak pressure: 4600 psi (315 bar)
  • Short recovery times and favorable power/weight ratio
  • Possible to mount additional pumps on through drive up to same nominal size
Get additional information on the Variable Displacement Pump A10VO (PDF)
Variable displacement pump A10VNO
Data Sheet (PDF)
RA-A 92 735

Model Code A10VNO
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 28 to 85
  • Nominal pressure: 3000 psi (210 bar)
  • Peak pressure: 3625 psi (250 bar)
  • Short recovery times and favorable power/weight ratio
  • Compact installation size
  • Economical version as an alternative to fixed pumps
Download additional information on the A10VNO Variable Displacement Pump (PDF)
Variable displacement pump AA10VG
Data Sheet (PDF)
RA-A 92 750

Model Code AA10VG
Variable Displacement Pump, Closed Circuit

Key Features:
  • Sizes: 18 to 63
  • Nominal pressure: 4350 psi (300 bar)
  • Peak pressure: 5000 psi (350 bar)
  • For applications in the medium pressure range
  • Integrated auxiliary pump for boost and control oil supply
  • Combined boost and high-pressure relief valves
  • Boost pressure relief valve
  • Possible to mount additional pumps on through drive up to same nominal size
  • Large variety of controls
Get more information about Variable Displacement PumpAA10VG (PDF)
Variable displacment pump A20VG/A22VG
Data Sheet (PDF)
RA-A 93 220

Model Code A20VG / A22VG
Variable Displacement Double Pump, Closed Circuit

Key Features:
  • A20VG: Size 45
  • A22VG: Size 45
  • A20VG Nominal pressure: 4350 psi (300 bar)
  • A22VG Nominal pressure: 5000 psi (350 bar)
  • A20VG Peak pressure: 5000 psi (350 bar)
  • A20VG Peak pressure: 6100 psi (420 bar)
  • Only one case drain for both circuits is required
  • Integrated auxiliary pump for boost and control oil supply (optional)
  • Combined boost and high pressure relief valves
Learn more about the A20VG & A22VG Double Pump (PDF)
Axial Piston Variable Double Pump, A24VG
Data Sheet (PDF)
RE 93 240

Model Code A24VG
Variable Displacement Double Pump, Closed Circuit

Key Features:
  • Series 10
  • Sizes: 045-045 / 065-045 / 065-065
  • Nominal pressure: 6525 psi (450 bar)
  • Peak pressure: 7250 psi (500 bar)
  • For vehicles with two closed circuits such as skid steer loaders or tracked vehicles.
  • Combined boost and high-pressure relief valves
  • Boost pressure relief valve
  • Through drive possibility
Learn more about the A24VG Double Pump (PDF)
Variable displacement pump A7VO
Data Sheet (PDF)
RE 92 202, (55cc)
RE 92 203, (250cc)

Model Code A7VO
Variable Displacement Pump, Open Circuit

Key Features:
  • Sizes: 28 to 1000
  • Nominal pressure: 5000 psi (350 bar)
  • Peak pressure: 5800 psi (400 bar)
  • Proven rotary group technology
  • Large variety of controls
  • Hyperbolic power control
  • Long-life bearings available for longer bearing life (sizes 250 - 1000)
  • Visual or electrical swivel angle indicator on request (sizes 250...1000)
Find out more about the Variable Displacement Pump, Sizes 55...160 or the Variable Displacement Pump, Sizes 250...500 (both PDF)
Variable displacement pump A18VO
Data Sheet (PDF)
RE 92 270
RE 92 280

Model Code A18VO / A18VLO
Variable Displacement Pump, Open Circuit
Special Design for Commercial Vehicles

Key Features:
  • A18VO Sizes: 80 to 107
  • A18VLO Size: 80
  • Nominal pressure: 5000 psi (350 bar)
  • Peak pressure: 5800 psi (400 bar)
  • For commercial vehicle applications, such as large truck loading cranes and superstructures
  • Higher pressure for improved system efficiency
  • High pressure level provides high power density for greater carrying capacity
  • Flange and shaft designed for direct mounting on the power take-off of commercial vehicles
  • Self-priming
  • Low-noise characteristics
  • Increased service life through the use of long-life bearings (A18VLO)
More information on Variable Displacement Pump A18VO or A18VLO (PDF)
Variable displacement double pump A8VO
Data Sheet (PDF)
RE 93 010

Model Code A8VO
Variable Displacement Double Pump, Open Circuit

Key Features:
  • Sizes: 55 to 200
  • Nominal pressure: 5000 psi (350 bar)
  • Peak pressure: 5800 psi (400 bar)
  • for applications with multi-circuit operation in the open circuit, such as excavators, cranes, drilling equipment etc.
  • Integrated auxiliary pump with pressure relief valve, optionally with additional pressure reducing valve
  • Power take-off for mounting gear pumps and axial piston pumps
  • Power override control
  • Hydraulic stroke limitation
  • Load sensing control
Find out more about Variable Displacement Double Pump A8VO (PDF)
Literature
Axial Piston Pump
A4VG, Series 40 -
RE 98 220
(PDF - 568 KB)
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