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Model: 12268
Ball guide 708-3S-13370 Komatsu — holds spherical elements in a defined position relative to the rot..
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Model: 12027
Cylinder block press Pin 708-1S-13380 Komatsu — prevents the cylinder block from rotating relative t..
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Model: 11362
Cylinder block Rotor 708-3S-13130 Komatsu — converts the working fluid flow into mechanical motion o..
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Model: 12974
Cylinder block Rotor 708-3S-13130 Komatsu — converts the working fluid flow into mechanical motion o..
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Model: 15572
Cylinder block Rotor Komatsu LPD28 — converts the working fluid flow into mechanical motion of the p..
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Model: 11365
Drive Shaft 708-3S-12121 Komatsu — transmits torque to the rotor group and drives the piston group o..
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Model: 12031
Gear pump 708-3S-04541 Komatsu — an element of the hydraulic system designed to supply and pump the ..
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Model: 11364
Piston shoe 708-3S-13320 Komatsu — performs reciprocating motion within the cylinder of the block, d..
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Model: 11604
Retainer Plate 708-3S-13410 Komatsu — presses the piston shoes against the swashplate surface of the..
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Model: 12269
Retainer Plate 708-3S-13410 Komatsu — presses the piston shoes against the swashplate surface of the..
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Model: 12028
Servo Piston 708-3S-14250 Komatsu — a control element that, under hydraulic pressure, moves regulati..
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Model: 13913
Spring of Rotor 708-3S-13430 Komatsu — generates an axial preload force on the cylinder block of the..
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Model: 12025
Swash plate (Cam rocker) 708-3S-13440 Komatsu — is an inclined disc in axial piston pumps/hydraulic ..
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Model: 12029
Swash plate Ball 708-1T-33432 Komatsu — provides a spherical pivoting connection between the swashpl..
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Model: 12030
Swash plate Ball 708-3S-13450 Komatsu — provides a spherical pivoting connection between the swashpl..
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Komatsu LPD28 — axial piston hydraulic pump
The Komatsu LPD28 hydraulic pump is a variable displacement axial piston pump developed in-house by Komatsu, belonging to the LPD series. Designed for mini excavators, it supplies oil to the working functions and travel drive simultaneously. It is typically installed in a tandem configuration — two pumps on a common shaft driven by the engine.
Full model range in the section Komatsu LPD/LPV series.
Technical specifications LPD28
- Type: variable displacement axial piston pump
- Design: tandem configuration (two pumps on a common shaft)
- Application: hydraulic system main pump
Installed in equipment
-
Komatsu
- PC28MR — Mini excavator
- PC28UU-3 — Mini excavator
- PC30MR — Mini excavator
- PC30MR-5 — Mini excavator
- PC35MR — Mini excavator
- PC35MR-1 — Mini excavator
- PC35MR-2 — Mini excavator
- PC35MR-3 — Mini excavator
- PC35MR-5 — Mini excavator
- PC38UU-3 — Mini excavator
- PC40MR — Mini excavator
- PC40MR-1 — Mini excavator
- PC40MR-2 — Mini excavator
- PC40MR-3 — Mini excavator
- PC40MRX-1 — Mini excavator
- PC45MR-1 — Mini excavator
- PC45MR-3 — Mini excavator
- PC45MR-5 — Mini excavator
- PC45MRX-1 — Mini excavator
- PC45R-8 — Mini excavator
- PC50MR — Mini excavator
- PC50MR-2 — Mini excavator
- PC50UU-2 — Mini excavator
- PC55MR — Mini excavator
- PC55MR-3 — Mini excavator
- PC55MR-5 — Mini excavator
- PC58UU-3 — Mini excavator
- D31EX-22 — Dozer
- D31PX-22 — Dozer
- D37EX-22 — Dozer
- D37EX-24 — Dozer
- D37EXI-24 — Dozer
- D37PX-22 — Dozer
- D37PX-24 — Dozer
- D37PXI-24 — Dozer
- D39EX-22 — Dozer
- D39EX-24 — Dozer
- D39EXI-24 — Dozer
- D39PX-22 — Dozer
- D39PX-24 — Dozer
- D51EX-22 — Dozer
- D51EXI-22 — Dozer
- D51PX-22 — Dozer
- D51PXI-22 — Dozer
OEM numbers LPD28
-
Komatsu
- 708-3S-00110
- 708-3S-00111
- 708-3S-00313
- 708-3S-00320
- 708-3S-00323
- 708-3S-00331
- 708-3S-00332
- 708-3S-00411
- 708-3S-00421
- 708-3S-00422
- 708-3S-00451
- 708-3S-00452
- 708-3S-00460
- 708-3S-00461
- 708-3S-00462
- 708-3S-00511
- 708-3S-00512
- 708-3S-00513
- 708-3S-00514
- 708-3S-00521
- 708-3S-00522
- 708-3S-00610
- 708-3S-00611
- 708-3S-00630
- 708-3S-00710
- 708-3S-00720
- 708-3S-00721
- 708-3S-00750
- 708-3S-00840
- 708-3S-00841
- 708-3S-00870
- 708-3S-00871
- 708-3S-00872
- 708-3S-00882
- 708-3S-00920
- 708-3S-00921
- 708-3S-00941
- 708-3S-00951
- 708-3S-00990
- 708-3S-01110
- 708-3S-01312
- 708-3S-01320
- 708-3S-01321
- 708-3S-01411
- 708-3S-01422
- 708-3S-01423
- 708-3S-01511
- 708-3S-01512
- 708-3S-01513
- 708-3S-01521
- 708-3S-01522
- 708-3S-01523
- 708-3S-01710
- 708-3S-01720
- 708-3S-01750
- 708-3S-01820
- 708-3S-01821
- 708-3S-01860
- 708-3S-01870
- 708-3S-01990
- 708-3S-11150
- 708-1T-00520
- 708-1T-00540
- 708-1T-00551
- 708-1T-00552
- 708-1T-00670
- 708-1T-01530
- 708-1T-01540
- 708-1T-01541
- 708-1T-01542
- 708-1T-01551
- 708-1T-01552
- 708-1T-01670
Spare part numbers LPD28
-
Komatsu
- 708-3S-13370
- 708-3S-13690
- 708-1S-13370
- 708-3S-13440
- 708-3S-13441
- 708-3S-13411
- 708-3S-13480
- 708-3S-13550
- 708-3S-13130
- 708-3S-13530
- 708-3S-13140
- 708-3S-13120
- 708-3S-13610
- 708-3S-12121
- 708-1T-12171
- 708-1T-12450
- 708-3S-13520
- 708-3S-13320
- 708-3S-13311
- 708-3S-13410
- 708-3S-13670
- 708-3S-13230
- 708-3S-13490
- 708-3S-13560
- 708-3S-13220
- 708-3S-13620
- 708-3S-13160
- 708-3S-13710
- 708-3S-13430
- 708-3S-13150
- 708-1S-13380
- 708-3S-14250
- 708-3S-14290
- 708-1T-33432
- 708-1T-33470
- 708-3S-13460
- 708-3S-04541
Spare parts for Komatsu LPD28
- 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 LPD28
Diagnostics and repair of axial piston hydraulic pump Komatsu LPD28: monitoring operating pressure and leaks, inspection of the piston group and valve plate, and bench testing after repair.
Contact us — we will repair hydraulic pump LPD28 and select genuine spare parts.
Spare Parts Diagram Komatsu LPD28
Spare Parts Diagram
Technical specifications verified by the Aspect Plus technical catalog.