A4VG45

Bosch Rexroth A4VG45 — Variable Displacement Axial Piston Pump 45 cm³

Bosch Rexroth A4VG45 is an axial piston pump with a variable displacement of up to 45 cm³, rated for a nominal pressure of 400 bar and peak loads up to 450 bar. It is widely used in tandem rollers from leading manufacturers — Bomag, Hamm, Dynapac, Ammann, Volvo and Case.

Full model range in the section Bosch Rexroth A4VG series.

Technical specifications

• Type: Variable displacement axial piston pump
• Displacement: up to 45 cm³ (variable)
• Nominal pressure: 400 bar (40 MPa)
• Maximum pressure: 450 bar (45 MPa)
• Maximum speed: 2900 rpm
• Weight: 16–20 kg

Installed in equipment

• Bomag

  • Bomag BW120 AD-3 — Tandem roller
  • Bomag BW120 AD-4 — Tandem roller
  • Bomag BW135 AD — Tandem roller
  • Bomag BW138 AD — Tandem roller
  • Bomag BW141 AD — Tandem roller
  • Bomag BW151 AD-4 — Tandem roller
  • Bomag BW151 AD-5 — Tandem roller
  • Bomag BW161 AD — Tandem roller
  • Bomag BW161 AD-4 — Tandem roller
  • Bomag BW202 AD — Tandem roller
  • Bomag BW202 AD-4 — Tandem roller
  • Bomag BW203 AD — Tandem roller
• Hamm

  • Hamm HD10 — Tandem roller
  • Hamm HD12 — Tandem roller
  • Hamm HD13 — Tandem roller
  • Hamm HD14 — Tandem roller
  • Hamm HD75 — Tandem roller
• Dynapac

  • Dynapac CC900 — Tandem roller
  • Dynapac CC1000 — Tandem roller
  • Dynapac CC1100 — Tandem roller
  • Dynapac CC1200 — Tandem roller
  • Dynapac CC1300 — Tandem roller
• Ammann

  • Ammann ARX26 — Tandem roller
  • Ammann ARX36 — Tandem roller
  • Ammann ARX40 — Tandem roller
  • Ammann AV26 — Tandem roller
  • Ammann AV36 — Tandem roller
• Volvo

  • Volvo DD24 — Tandem roller
  • Volvo DD25 — Tandem roller
  • Volvo DD38 — Tandem roller
• Case

  • Case DV23 — Tandem roller
  • Case DV26 — Tandem roller
  • Case DV36 — Tandem roller

OEM numbers A4VG45

• Bosch Rexroth

  • R902207345
  • R902042392
  • A4VG045DA1DP001/40MRNC2Z61FB1S5AS00-Y
  • A4VG45DA1D2/32R-NSC02F021S
  • A4VG45EP2D1/32R-NSC02F021S
  • A4VG45HD1D2/32R
  • A4VG45HW1D2/32R

Part numbers A4VG45

• Bosch Rexroth

  • R902603726
  • R902066234
  • R902603571
  • R902085005
  • R909830383
  • R909830382
  • R909831284
  • R909831285
  • R910186813
  • R902002419

Spare parts for Bosch Rexroth A4VG45

• Drive Shaft
• Cylinder block Rotor
• Piston shoe
• Swash plate (cam rocker)
• Valve plate
• Valve plate Left
• Valve plate Right
• Retainer Plate
• Roller Bearing
• Cradle Bearing Set
• Shaft Seal
• Seal kit pump
• Regulator assembly
• Servo Piston
• Charge Pump
• Rotor Spring

Repair and service A4VG45

Diagnostics and repair of the A4VG45 pump cover hydraulic parameter verification, condition assessment of the piston group and swash plate, internal leakage measurement and bench testing after overhaul.

• Wear inspection of pistons, cylinder block and valve plate
• Integrity check of shaft seals and face connections under pressure
• Displacement regulator diagnostics and adjustment
• Flow and pressure measurement on a hydraulic test bench after repair
• Selection of genuine Bosch Rexroth seal kits and spare parts for A4VG45

Contact us — we will help you source the Bosch Rexroth A4VG45 pump or compatible spare parts for your equipment.

Spare Parts Diagram Bosch Rexroth A4VG45

Spare Parts Diagram