OEM Pump for Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000 (ref. 995 636 40)
A main hydraulic pump generates the high-pressure oil flow that powers the machine hydraulic functions. Hydraulic pumps fail mainly from fluid contamination and wear of the pistons, swash plate and valve plate, which shows as falling flow, pressure loss and overheating.
Key facts
- Part: Pump, new replacement for Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000
- Komatsu OEM ref.: 995 636 40 (also written 99563640)
- Interchangeable references: 2 additional Komatsu numbers (listed below), incl. 988 355 40, 918 859 40
- Fits: Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000 (mining excavator)
- Condition: New, to OEM specification
- HD Mining Parts SKU: KMP-P-1N9ZSO
- Supplied by: HD Mining Parts (worldwide export, quote-based)
Interchangeable reference numbers
This part is interchangeable with the following Komatsu reference numbers (including superseded and alternative references) and can be supplied in place of any of them. Each is shown with and without spaces:
- 988 355 40 / 98835540
- 918 859 40 / 91885940
Each part is matched by reference number and technically verified before dispatch, with traceable sourcing and export-ready delivery; availability and lead time on request.
Frequently asked questions
What part is Komatsu OEM number 995 636 40?
It is the pump for Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000; HD Mining Parts supplies a new replacement under SKU KMP-P-1N9ZSO.
Is 988 355 40 interchangeable with 995 636 40?
Yes, 988 355 40 (98835540) is an interchangeable Komatsu reference for this pump and can be replaced by it.
Request Komatsu OEM ref. 995 636 40, or browse all Hydraulic Pumps and Komatsu PC3000 spare parts, Komatsu PC4000 spare parts, Komatsu PC5500 spare parts, Komatsu PC7000 spare parts, Komatsu PC8000 spare parts, or request a quotation.