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Model: 15588
Servo Piston 3055313 Hitachi — a control element that, under hydraulic pressure, moves regulating co..
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Model: 15587
Spring of Rotor 4248499 Hitachi — generates an axial preload force on the cylinder block of the axia..
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Model: 15589
Tilting Pin 4260211 Hitachi — pivot element that connects the servo piston to the control mechanism,..
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Model: 15549
Valve plate 9120557 Hitachi — an element of the hydraulic pump that distributes the flow of the work..
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Model: 15228
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Roller Bearing 4175666 Hitachi — absorbs radial and axial shaft loads through cylindrical or tapered..
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Model: 15555
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Shaft Seal 4333170 Hitachi — a sealing element of the shaft that prevents leakage of hydraulic fluid..
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Hitachi HPV091DW — axial piston variable displacement hydraulic pump 91 cm³
Hitachi HPV091DW is a single axial piston variable displacement pump, the main pump of early-generation EX series excavators. The HPV091 series covers several configurations: single DS/ES and tandem DW/EW; some internal parts are interchangeable across all variants. Main pump of Hitachi 12-tonne class EX series -2/-3 generation excavators. The pump is installed in Hitachi crawler excavators.
Full model range in the section Hitachi HPV series.
Technical specifications HPV091DW
- Displacement: 91 cm³
- Weight: 115 kg
Installed in equipment
-
Hitachi
- EX200-2 — Crawler excavator
- EX200-2M — Crawler excavator
- EX200-3E — Crawler excavator
- EX200K-2 — Crawler excavator
- EX200LCK-2M — Crawler excavator
- EX220-2 — Crawler excavator
OEM numbers HPV091DW
-
Hitachi
- 9101528
- 9135950
- 9144119
- 9144118
- 9135749
Spare part numbers HPV091DW
-
Hitachi
- 1016126
- 3051201
- 958740
- 3046466
- 4118495
- 1015000
- 1015178
- 4175666
- 4233164
- 4199307
- 4178173
- 4260561
- 4116290
- 8043698
- 4233180
- 4233181
- 4184779
- 4198956
- 4248499
- 2027277
- 1016064
- 1019697
- 1020223
- 9120557
- 4248599
- 1016127
- 4272674
- 3055313
- 4260211
- 4179838
- 4260500
- 4260493
- 992444
- 3051812
- 4260309
- 971823
- M340820
- 4514388
- 4099290
- 8050131
- 8057232
- M341245
- M341290
Spare parts for Hitachi HPV091DW
- 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 HPV091DW
Diagnostics and repair of pump Hitachi HPV091DW: monitoring operating pressure and leaks, inspection of the piston group and valve plate, and bench testing after repair.
Contact us — we will repair pump HPV091DW and select genuine spare parts.
Spare Parts Diagram Hitachi HPV091DW
Spare Parts Diagram
Technical specifications verified by the Aspect Plus technical catalog.