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Model: 11875
Ball guide 708-3M-13510 Komatsu — holds spherical elements in a defined position relative to the rot..
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Model: 16639
Cylinder block Rotor 708-3M-04311 Komatsu — converts the working fluid flow into mechanical motion o..
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Model: 11879
Drive Shaft 708-3M-12111 Komatsu — transmits torque to the rotor group and drives the piston group o..
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Model: 18991
EPR Valve with Manifold 702-21-57400 Komatsu — converts the electrical signal from the machine contr..
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Model: 16641
Piston shoe 708-3M-13311 Komatsu — performs reciprocating motion within the cylinder of the block, d..
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Model: 11881
Retainer Plate 708-3M-13342 Komatsu — presses the piston shoes against the swashplate surface of the..
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Model: 17647
Retainer Plate 708-3M-13342 Komatsu — presses the piston shoes against the swashplate surface of the..
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Model: 16638
Support 708-3M-04161 Komatsu — bearing bracket (support), which provides fixation and stable attachm..
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excl. VAT 265.90 $
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Model: 12023
Swash plate (Cam rocker) 708-3M-04161 Komatsu — is an inclined disc in axial piston pumps/hydraulic ..
242.52 $
excl. VAT 202.10 $
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Model: 16640
Valve plate Right 708-3M-04311 Komatsu — a hydraulic pump element that distributes the service fluid..
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Model: 11877
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Cylinder block Rotor 708-3M-04311 Komatsu — converts the working fluid flow into mechanical motion o..
527.40 $
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Model: 3196
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EPR Valve with Manifold 702-21-57400 Komatsu — converts the electrical signal from the machine contr..
345.00 $
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Model: 11880
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Piston shoe 708-3M-13311 Komatsu — performs reciprocating motion within the cylinder of the block, d..
41.16 $
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Model: 11876
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Support 708-3M-04161 Komatsu — bearing bracket (support), which provides fixation and stable attachm..
309.00 $
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Model: 12918
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Swash plate (Cam rocker) 708-3M-04161 Komatsu — is an inclined disc in axial piston pumps/hydraulic ..
304.92 $
excl. VAT 254.10 $
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Pump & Motor Parts
Komatsu HPD71 — axial piston hydraulic pump
The Komatsu HPD71 hydraulic pump is a variable displacement duplex axial piston pump developed in-house by Komatsu, belonging to the HPD series. Structurally it consists of two independent pumps in a single housing on a common shaft, with one shared inlet port and two outlet ports. The cylinder block contains 10 pistons distributed between two discharge systems via shaped ports in the valve plate. During working operations both sections are combined into a single circuit through a control valve, providing maximum flow; when the machine is travelling the sections operate independently. The pump is the main hydraulic pump for Komatsu medium-class excavators.
Full model range in the section Komatsu HPD series.
Technical specifications HPD71
- Type: axial piston, swash plate, duplex, variable displacement
- Displacement: 71 cm³ per section (tandem: 71+71 cm³)
- Max. working pressure: 373 bar (rated); 412 bar (maximum)
- Max. speed: 2200 rpm
- Cylinder block: 10 pistons
Installed in equipment
-
Komatsu
- PC150-8 — Crawler excavator
- PC160-8 — Crawler excavator
- PC160LC-7 — Crawler excavator
- PC160LC-7E0 — Crawler excavator
- PC160LC-7K — Crawler excavator
- PC160LC-K-7E0 — Crawler excavator
- PC160LC-8 — Crawler excavator
- PC170-8 — Crawler excavator
- PC170LC-10 — Crawler excavator
- PC170LC-11 — Crawler excavator
- PC180LC-7E0 — Crawler excavator
- PC180LC-7K — Crawler excavator
- PC180NLC-7E0 — Crawler excavator
- PC180NLC-7K — Crawler excavator
- PC190LC-8 — Crawler excavator
- PC190NLC-8 — Crawler excavator
OEM numbers HPD71
-
Komatsu
- 708-3M-00011
- 708-3M-00020
- 708-3M-00021
- 708-3M-00030
- 708-3M-00031
- 708-3M-00032
- 708-3M-00040
- 708-3M-00041
- 708-3M-01012
- 708-3M-01015
- 708-3M-01016
- 708-3M-01030
- 708-3M-01031
- 708-3M-01040
- 708-3M-01041
Spare part numbers HPD71
-
Komatsu
- 708-3M-13510
- 708-3M-04161
- 708-3M-04311
- 708-3M-12111
- 708-3M-13311
- 708-3M-13310
- 708-3M-13342
- 708-2H-23360
- 708-2G-13141
- 708-2G-13131
- 708-3M-13150
- 708-2G-14120
Spare parts for Komatsu HPD71
- 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 HPD71
We perform diagnostics and repair of axial piston hydraulic pump Komatsu HPD71: checking hydraulic parameters, assessing the condition of the piston group and bench testing after restoration.
Contact us — we will select spare parts and repair hydraulic pump HPD71 with warranty.
Technical specifications verified by the Aspect Plus technical catalog.