Hydraulic System

Komatsu PC400-8 Piston Pump, Inner Parts (3/11) (#75001-75048) Parts

Komatsu PC400-8 piston pump, inner parts (3/11) (#75001-75048) parts for machine serial 75001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.

Catalog configuration: Hydraulic System / Piston Pump / Piston Pump, Inner Parts (3/11) (#75001-75048).

PC400-8Machine serial 75001-UP23 part occurrences

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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.

Assembly parts

Showing all 23 part occurrences

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LinePart numberDescriptionQtyOrder qtyPurchase options
0Pump AssemblySN: 75001-750481Request quote
1Pump SubassemblySN: 75001-750481Request quote
1ShaftSN: 75001-75048, SCC: C21Request quote
2BearingSN: 75001-75048, SCC: C21View product ↗
3Washer KitSN: 75001-75048, SCC: C21Request quote
4Ring, SnapSN: 75001-75048, SCC: C21Request quote
5Seal, OilSN: 75001-750481View product ↗
6SpacerSN: 75001-750481Request quote
7Ring, SnapSN: 75001-750481Request quote
12Cylinder Block AssemblySN: 75001-75048, SCC: C21View product ↗
10PinSN: 75001-75048, SCC: C21View product ↗
11Ring, SnapSN: 75001-75048, SCC: C21Request quote
12SeatSN: 75001-75048, SCC: C21Request quote
13SpringSN: 75001-75048, SCC: C21Request quote
14SeatSN: 75001-75048, SCC: C21Request quote
15Guide, RetainerSN: 75001-75048, SCC: C21View product ↗
16PinSN: 75001-75048, SCC: C23Request quote
17Retainer, ShoeSN: 75001-75048, SCC: C21View product ↗
18Piston SubassemblySN: 75001-75048, SCC: C29View product ↗
24Cradle SubassemblySN: 75001-75048, SCC: C21Request quote
21Pin, DowelSN: 75001-75048, SCC: C21View product ↗
22O-ringSN: 75001-75048, SCC: C21Request quote
23Bolt, Hexagon Socket HeadSN: 75001-75048, SCC: C26Request quote

Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.

Assembly notes

Washer, T=3.0mm

Washer, T=3.1mm

Washer, T=3.2mm

Block, Cylinder

Plate

Cradle

Cam, Rocker

Catalog sitemap

Using Komatsu PC400-8 Piston Pump, Inner Parts (3/11) (#75001-75048) Parts

Use the Komatsu PC400-8 Piston Pump, Inner Parts (3/11) (#75001-75048) Parts listing to identify aftermarket replacement parts within the hydraulic system section. This excavator application is listed for machine serial 75001-UP; the diagram and parts table retain the selected configuration and its source notes.

The parts table contains 23 listed part occurrences, including pump assembly (reference 708-2H-00027), pump subassembly (reference 708-2H-01027) and shaft (reference 708-2H-32110). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.

For hydraulic replacement parts, compare the listed circuit, cylinder, valve or hose application wherever identified in the selected assembly. Retain connection and configuration notes when requesting a quote rather than relying on appearance alone.

Catalog quantities describe the illustrated assembly. Adjust the order quantity to what you need, select the relevant rows, and use Add selected to cart for verified store matches or Add selected to quote for quote items. The diagram alone does not establish current stock or part interchangeability.

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