Komatsu PC8000 Pumps Guide

WQC Parts supplies WQ Certified aftermarket Komatsu parts and Komatsu replacement parts for heavy equipment applications. Use this guide to move from machine, model, pump type, or part-number research toward the correct replacement option. Built Better. Lasts Longer.

Komatsu PC8000 pumps can vary by pump type, machine configuration, and serial number. This guide is designed to help customers researching pump applications for the Komatsu PC8000 family move from general machine intent toward the correct part number.

Use this page to review example pump references by type, then continue through the pump hub system or use the site search once you have a likely part number. The Komatsu parts book for the exact machine serial number remains the final authority for fitment.

Common Model References in This Family

PC8000-1, PC8000-1E, PC8000-6, PC8000-6 12067, PC8000-6E

Hydraulic Pumps

Below are example hydraulic pumps references associated with the Komatsu PC8000 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 635 849 40 — Hydraulic Pump
  • 635 850 40 — Hydraulic Pump
  • 696 138 73 — Seal Kit, Front Pump
  • 757 138 73 — Repair Kit, Front Pump
  • 766 953 73 — Lube Pump Assy.

Water Pumps

Below are example water pumps references associated with the Komatsu PC8000 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 766 142 73 — Water Pump
  • 770 500 73 — Water Pump
  • 797 690 73 — Water Pump

Oil Pumps

Below are example oil pumps references associated with the Komatsu PC8000 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 944 676 40 — Harness - Engine Oil Pump 1
  • 944 677 40 — Harness - Engine Oil Pump 2

Fuel & Injection Pumps

Below are example fuel & injection pumps references associated with the Komatsu PC8000 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 795 099 73 — Parts To Fuel Ciculating Pump
  • 795 100 73 — Fuel Ciculating Pump

Gear Pumps

Below are example gear pumps references associated with the Komatsu PC8000 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 372 329 40 — Pump Unit, Assy.
  • 792 743 73 — Carrier, Pump
  • 792 745 73 — Gear Pump
  • 896 516 40 — Gear Pump
  • 918 859 40 — Gear Pump Unit

Additional Pump References

These additional pump references can help narrow the search for Komatsu PC8000 pump applications.

  • 196 482 40 — Diaphragm Pump
  • 567 426 40 — Hydr.-Pump, Assy.
  • 895 295 40 — Pump Distributor Gear Assy.
  • 896 445 40 — Variable Displacement Pump
  • 896 679 40 — Lube Pump Station

Identification Notes

For Komatsu PC8000 machines, pump selection should be confirmed using the machine model, serial number, and the parts-book diagram for the specific system application. Do not rely on model alone where serial-range changes or alternate pump arrangements may apply.

Where to Go Next

Need Help Confirming a Pump?

If you are researching a Komatsu PC8000 pump and are not fully sure which part applies, gather the machine model, serial number, and any visible pump number before reaching out. That information can be used to guide you toward the correct pump and quote options.

For final confirmation, always verify against your Komatsu parts book for the exact machine serial number.