OEM Pump for Komatsu PC3000, PC4000 and PC5500 (ref. 940 048 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 and PC5500
- Komatsu OEM ref.: 940 048 40 (also written 94004840)
- Interchangeable references: none listed (single reference)
- Fits: Komatsu PC3000, PC4000 and PC5500 (mining excavator)
- Condition: New, to OEM specification
- HD Mining Parts SKU: KMP-P-1JYULK
- Supplied by: HD Mining Parts (worldwide export, quote-based)
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 940 048 40?
It is the pump for Komatsu PC3000, PC4000 and PC5500; HD Mining Parts supplies a new replacement under SKU KMP-P-1JYULK.
How is this pump supplied?
New, to OEM specification, with compatibility confirmed by part number before shipping.
Request Komatsu OEM ref. 940 048 40, or browse all Hydraulic Pumps and Komatsu PC3000 spare parts, Komatsu PC4000 spare parts, Komatsu PC5500 spare parts, or request a quotation.