Swashplate hydraulic pumps have a rotating cylinder containing pistons. A spring pushes the pistons against a stationary swash plate, which sits at an angle to the cylinder. The pistons suck in fluid during half a revolution and push fluid out during the other half. The greater the slant the further the pump pistons move and the more fluid they transfer.

Model A4FO Swashplate Pump
Fixed displacement, open loop operation
Key features:
- Sizes 16 to 500
- Axial piston swashplate design
- Open circuit
- Frame size 1 (size 71)
- Frame size 3 (sizes 16 to 40 and 125 to 500)
- Mounting of further pumps up to the same size possible to through-drive
- Operation with HF fluids possible with reduced technical data (sizes 71 to 500)
Bosch Rexroth A4FO Swashplate Pump

Model AA4VG Swashplate Pump
Variable displacement, closed circuit operation
Key features:
- Sizes 28 to 250
- Series 3
- Nominal pressure 5,800 psi (400 bar)
- Peak pressure 6,500 psi (450 bar)
- This swashplate design pump is used for hydrostatic closed circuit transmissions
Bosch Rexroth AA4VG Swashplate Pump

Model (A)A4VSO Swashplate Pump
Variable displacement, open circuit for HFC fluids (water-glycol)
Key features:
- Sizes 40 to 1000
- Axial piston swashplate design
- Open circuit
- Frame size 1 and 3
- Long bearing life
- Comprehensive controller and actuator product range (see below)
- Mounting of further pumps up to the same size possible to through-drive
- Operation with HFC fluids optionally possible if performance data identical to those in mineral oil mode (sizes 180 to 355)
Bosch Rexroth Variable Displacement AA4VSO Swashplate Pump
Bosch Rexroth Variable Displacement AA4VSO (HFC Fluid) Swashplate Pump
Bosch Rexroth Universal Through Drive for A10VSO series 32, sizes 45 to 180; A4VSO series 30, sizes 125 to 355; and A15VSO series 10, sizes 175 to 280

Model A4VSG Swashplate Pump
Variable displacement, closed loop operation
Key features:
- Sizes 40 to 1000
- Axial piston swashplate design
- Closed circuit
- Frame size 1 and 3
- Valve block for safeguarding the closed circuit
- Auxiliary pumps for the boost and pilot oil circuit or a further axial piston pump of up to the same size can be mounted to the through-drive
Bosch Rexroth Variable Displacement A4VSG Swashplate Pump

Model A4CSG Axial Piston Swashplate Unit
Variable displacement, axial piston, closed loop
Key features:
- Sizes 250 to 750
- Axial piston swashplate design
- Closed circuit
- Frame size 3
- Integrated boost pump and valve technology
- Compact build
- Through-drive and pump combination possible even with integrated auxiliary pump
Bosch Rexroth Variable Displacement A4CSG Axial Piston Swashplate Unit

Model AA11VO Swashplate Pump
Variable displacement, open circuit
Key features:
- Sizes 40 to 260
- Series 1
- Nominal pressure 5,100 psi (350 bar)
- Peak pressure 5,800 psi (400 bar)
- This swashplate design pump is designed for hydrostatic drives in open circuit hydraulic systems
Bosch Rexroth Variable Displacement AA11VO Swashplate Pump

Model A10VSO Axial Piston Swashplate Pump (Series 31 and 52)
Variable displacement, open circuit
Key features:
- Sizes 10 to 140
- Axial piston swashplate design
- Open circuit
- Frame size 31 (sizes 18 to 140)
- Frame size 52 (size 10)
- Comprehensive controller and actuator product range (see below)
- Through-drive option for mounting further pumps up to the same size (not with size 10)
Bosch Rexroth Variable Displacement A10VO/52 (Size 28 to 60) Axial Piston Swashplate Pump
Bosch Rexroth (A)A10VSO/31 (Size 18 to 140) Axial Piston Swashplate Pump

Model A10VSO Axial Piston Swashplate Pump (Series 32)
Variable displacement, open circuit
Key features:
- Sizes 45 to 180
- Axial piston swashplate design
- Open circuit
- Frame size 32
- Low noise development
- High efficiency
- High reliability
- Universal through-drive
Bosch Rexroth Variable Displacement A10VSO Axial Piston Swashplate Pump
Bosch Rexroth Universal Through Drive A10VSO

Variable Displacement, open circuit
Key features:
- Sizes 10 to 140
- Axial piston swashplate design
- Open circuit
- Frame size 31 (sizes 18 to 140)
- Frame size 52 (size 10)
- Comprehensive controller and actuator product range (see below)
- Through-drive option for mounting further pumps up to the same size (not with size 10)
Bosch Rexroth Closed-Loop Pressure and Flow Control System SYDFE1 Axial Piston Swashplate Pump
Bosch Rexroth Pressure and Flow Control System
Bosch Rexroth Pump Pre-Load Valve for the SYDFE Control System
Bosch Rexroth 3/3-Way Proportional Directional Valves VT-DFP
Bosch Rexroth External Control Electronics for the SYDFE1 Control
Bosch Rexroth Rotary Angle Sensor VT-SWA-1

Electro-Hydraulic Controls for Model AA4VS Swashplate Pump
Key features:
- Sizes 40 to 1,000
Bosch Rexroth Control Devices DR, DP, FR and DFR
Bosch Rexroth Power Control LR2, LR3, LR2N and LR3N
Bosch Rexroth Control Devices MA and EM
Bosch Rexroth Hydraulic Control, Pilot Pressure Dependent HD

Electro-Hydraulic Controls for Model (A)A4VSO (Sizes 40…1,000), Model A4VSH (Sizes 40…250), Model (A)A4VSG (Sizes 40…1000) and Model (A)A4CSG (Sizes 250…750) Swashplate pumps
Control systems HM, HS, HS4 and EO for variable displacement pumps
Bosch Rexroth Electro-Hydraulic Controls Systems HM, HS, HS4 and EO

Electro-Hydraulic Controls for Model (A)A4CSG, Series 3X and Model (A)A4VSG, Series 1X and 3X Swashplate Pumps
Electrohydraulic control with proportional solenoid
Bosch Rexroth Electro-Hydraulic Controls for Model (A)A4CSG, Series 3X and Model (A)A4VSG, Series 1X and 3X

Electro-Hydraulic Controls for Model A10VO
Key features:
- Sizes 10 to 85
- Electroproportional swivel angle control
Bosch Rexroth Electro-Hydraulic Pressure Control for A10V(S)O Axial Piston Pump
Bosch Rexroth Electro-Hydraulic Pressure Control for A10VO Axial Piston Pump

Electro-Hydraulic Controls for Model A10VO
Key features:
- Sizes 10 to 85
- Electroproportional swivel angle control
Bosch Rexroth Electro-Hydraulic Pressure Control for A10V(S)O Axial Piston Pump
Bosch Rexroth Electro-Hydraulic Pressure Control for A10VO Axial Piston Pump

Model SYHDFEE, SYHDFEC
Pressure and flow control system
Key features:
- Sizes 125 to 355
- Series 1X
- Nominal pressure 5,100 psi (350 bar)
- An SYHDFE.-1X control system serves the electro-hydraulic control of swivel angle, pressure and power of an axial piston unit.
Bosch Rexroth SYHDFEE & SYHDFEC Pressure and Flow Control System

Model A4VBO Axial Piston Variable Pump
Open Circuit
Key features:
- Sizes 71, 125, 450
- Series 10, 30
- Nominal pressure 450 bar
- Maximum pressure 500 bar
Download the Bosch Rexroth A4VBO Axial Piston Variable Pump Data Sheet

Model A10VSNO Axial Piston Variable Pump
Open Circuit
Key features:
- Size 63
- Series 32
- Nominal pressure 210 bar
- Maximum pressure 250 bar
DBosch Rexroth A10VSNO Axial Piston Variable Pump

Model A15VSO Axial Piston Variable Pump
Open Circuit
Key features:
- Sizes 110 to 280
- Series 10
- Nominal pressure 5,100 psi (350 bar)
- Maximum pressure 6,100 psi (420 bar)
Bosch Rexroth A15VSO Axial Piston Variable Pump