A4VSO40 A4VSG40

Bosch Rexroth A4VSO40 A4VSG40 — axial piston pump 40 cm³

Bosch Rexroth A4VSO40 / A4VSG40 are variable displacement axial piston pumps used as travel drive systems in road machinery, mining equipment, industrial machines and drilling rigs. A4VSO40 is designed for open circuits, A4VSG40 — for hydrostatic transmissions in closed circuits. The pumps are installed on equipment from the following brands: Atlas Copco, Sandvik, Epiroc, Liebherr, Soilmec, Bauer, Casagrande.

Full model range in the section A4VSO series

Technical specifications

• Maximum displacement: 40 cm³
• Nominal working pressure: up to 35 MPa / 350 bar
• Peak pressure: up to 40 MPa / 400 bar
• Maximum rotational speed: 3000 rpm
• A4VSO40: open circuit — hydraulic systems of machinery
• A4VSG40: closed circuit — hydrostatic transmissions
• Weight A4VSO40: 35–40 kg
• Weight A4VSG40: 65–71 kg

Installed in equipment

• Atlas Copco

  • SmartROC T25 — Drilling rig
  • SmartROC T30 — Drilling rig
  • FlexiROC T20 — Drilling rig
• Sandvik

  • DP1500i — Drilling rig
  • DX780 — Drilling rig
  • DX800 — Drilling rig
• Epiroc

  • SmartROC D60 — Drilling rig
  • FlexiROC D50 — Drilling rig
• Liebherr

  • LRB 125 — Drilling rig
  • LRB 155 — Drilling rig
• Soilmec

  • SR-30 — Drilling rig
  • SR-40 — Drilling rig
• Bauer

  • BG 28 — Drilling rig
  • BG 30 — Drilling rig
• Casagrande

  • B175XP — Drilling rig
  • B200XP — Drilling rig

OEM numbers A4VSO40 A4VSG40

• Bosch Rexroth A4VSO40

  • R902576116 A4VSO40HS5EV/10R+SYDZ 0001-1X
  • R902419177 A4VSO40DRG/10R+A4VSO40DRG/10R
  • R902419028 A4VSO40HS3/10R+A4VSO40HS3/10R
  • R902448826 A4VSO40DR/10R+A10VSO28DFLR/31R
  • R902464646 A4VSO40DRG/10R+A4VSO40DRG/10R
  • R902477713 A4VSO40DR/10R+A10VSO28DR/31R
  • R902478967 A4VSO40DR/10R+A10VSO45DR/31R
  • R902474489 A4VSO40MA/10R+A10VSO28DR/31R
  • R902487014 A4VSO40DR/10L+A4VSO40DR/10L
  • R902488906 A4VSO40DR/10R+A10VSO28DFLR/31R
  • R902481910 A4VSO40DR/10R+A10VSO45DR/31R
  • R902497990 A4VSO40DR/10R+A4VSO40DR/10R
  • R902494911 A4VSO40DRG/10R+A10VSO45DRG/31R
  • R902493820 A4VSO40DRG/10R+A4FO28/32R+PGF2
  • R902494486 A4VSO40DFE1/10R+A10VSO45DFE1/31R
  • R902517365 A4VSO40HS4/10R+A4VSO40HS4/10R
  • R902512432 A4VSO40HS4V/10R+SYDZ
  • R902520924 A4VSO40LR2/10R+A4VSO40LR2/10R
  • R902536210 A4VSO40EO2/10R+A10VSO28DR/31R
  • R902547011 A4VSO40DFE1Z/10R+A4VSO40DFE1Z/10R
  • R902544275 A4VSO40DRG/10R+A10VSO10DR/52R
  • R902544156 A4VSO40LR2D/10R+A10VSO45DR/31R
  • R902551502 A4VSO40DRG/10R+A10VSO28DRG/31R
  • R902553750 A4VSO40HS4/10R+A10VSO28DR/31R+A10VSO10DR
  • R902551576 A4VSO40HS4/10R+A4VSO40HS4/10R
  • R902565601 A4VSO40DR/10R+A10VSO28DFLR/31R
  • R902566842 A4VSO40DR/10R+A10VSO28DFLR/31R
  • R902562223 A4VSO40LR2G/10R+A10VSO28DRG/31R
  • R902565581 A4VSO40LR2G/10R+A4VSO40LR2G/10R -S2458
  • R902561921 A4VSO40MA/10R+A4VSG40MA/10R
  • R902571682 A4VSO40LR2D/10R+A10VSO28DR/31R
  • R902426750 A4VSO40+A4VSO40+A10VSO28
  • R902446668 A4VSO40DR/10R+A4VSO40DR/10R
• Bosch Rexroth A4VSG40

  • R902411468 A4VSG40HD1T/11R+A4VSG40HD1T/11R
  • R902474715 A4VSG40HD1T/11R+A4VSG40HD1T/11R
  • R902544146 A4VSG40HD1T/11R+A4VSG40HD1T/11R
  • R902462178 A4VSG40HD1T/11R+A4VSG40HD1T/11R

Spare parts for Bosch Rexroth A4VSO40 A4VSG40

• Cylinder block Rotor
• Drive Shaft
• Separation Bush
• Ball guide
• Disk Spring
• Snap Ring
• Slider
• Coupling of drive shaft
• Cylinder block press pin
• Charge Pump
• Roller Bearing
• Cradle Bearing Set
• Retainer Plate
• Swash plate (cam rocker)
• Piston shoe
• Rotor Spring
• Seal kit pump
• Shaft Seal
• Wire
• Valve plate
• Ball guide washer
• Pressure Override Valve
• Control Valve Regulator
• Regulator assembly
• Servo Piston

Repair and service A4VSO40 A4VSG40

Diagnostics and repair Bosch Rexroth A4VSO40 / A4VSG40 axial piston pump: monitoring operating pressure and leaks, inspection of the piston group and valve plate, and bench testing after repair.

Contact us — we will repair axial piston pump A4VSO40 A4VSG40 and select genuine spare parts.