OEM Valve for Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000 (ref. 950 668 40)
A hydraulic valve directs and regulates oil flow and pressure within the hydraulic circuit. Valves most often fail from contamination causing spool sticking and internal leakage; worn seats and springs change the set pressure.
Key facts
- Part: Valve, new replacement for Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000
- Komatsu OEM ref.: 950 668 40 (also written 95066840)
- Interchangeable references: 1 additional Komatsu numbers (listed below), incl. 655 855 40
- Fits: Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000 (mining excavator)
- Condition: New, to OEM specification
- HD Mining Parts SKU: KMP-V-1KLM1K
- 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This part is interchangeable with the following Komatsu reference numbers (including superseded and alternative references) and can be supplied in place of any of them.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:
- 655 855 40 / 65585540
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 950 668 40?
It is the valve for Komatsu PC3000, PC4000, PC5500, PC7000 and PC8000; HD Mining Parts supplies a new replacement under SKU KMP-V-1KLM1K.
Is 655 855 40 interchangeable with 950 668 40?
Yes, 655 855 40 (65585540) is an interchangeable Komatsu reference for this valve and can be replaced by it.
Request Komatsu OEM ref. 950 668 40, or browse all Hydraulic Valves 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.