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Model: 18789
Holder of Disk Spring R902043502 Bosch Rexroth — holds the disc spring in a defined position inside ..
7.44 $
excl. VAT 6.20 $
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Model: 14284
Piston R909069123 Bosch Rexroth — performs reciprocating motion within the cylinder of the block, dr..
30.00 $
excl. VAT 25.00 $
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Model: 9594
Retainer Plate R902072551 Bosch Rexroth — presses the piston shoes against the swashplate surface of..
34.80 $
excl. VAT 29.00 $
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Model: 14286
Snap Ring (half) R909001026 Bosch Rexroth — secures parts against axial displacement on the shaft or..
8.88 $
excl. VAT 7.40 $
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Model: 14285
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Center Pin R909060083 Bosch Rexroth — forms the tilt axis of the swashplate in an axial piston pump,..
38.64 $
excl. VAT 32.20 $
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Model: 12740
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Cylinder block Rotor R909404098 Bosch Rexroth — converts the working fluid flow into mechanical moti..
236.76 $
excl. VAT 197.30 $
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Model: 5135
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Holder of Disk Spring R902043502 Bosch Rexroth — holds the disc spring in a defined position inside ..
8.28 $
excl. VAT 6.90 $
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Pump & Motor Parts
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Model: 7200
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Retainer Plate R902072551 Bosch Rexroth — presses the piston shoes against the swashplate surface of..
32.64 $
excl. VAT 27.20 $
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Pump & Motor Parts
Bosch Rexroth A8V55SRIR — axial piston pump 55 cm³
Bosch Rexroth A8V55SRIR is a variable displacement axial piston pump with a bent-axis design, engineered for operation under maximum load conditions in heavy construction machinery.
Bosch Rexroth A8V55SRIR is the successor to Uchida Hydraulics pumps used in construction equipment. Following the integration of Uchida Hydraulics into the Bosch Rexroth group, the A8V series gained broader application across global machinery.
The A8V55SRIR pump is used in crawler excavators. Installed in equipment from leading manufacturers: Hitachi, Daewoo, Doosan.
Full model range in the section A8V series
Technical specifications
- Type: bent-axis axial piston
- Displacement (variable): up to 55 cm³
- Nominal pressure: up to 35 MPa / 350 bar
- Peak pressure: up to 40 MPa / 400 bar
- Maximum rotational speed: 2000 rpm
- Flow rate (at maximum speed): up to 110 l/min
- Weight: 80–90 kg
Spare parts for Bosch Rexroth A8V55SRIR
- 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 A8V55SRIR
We accept axial piston pump Bosch Rexroth A8V55SRIR for repair: full diagnostics of hydraulic parameters, assessment of wear of pistons and cylinder block, seal inspection and bench testing after restoration.
Contact us — we will repair axial piston pump A8V55SRIR and select genuine spare parts.
Spare Parts Diagram Bosch Rexroth A8V55SRIR
Spare Parts Diagram
Technical specifications verified by the Aspect Plus technical catalog.