Komatsu PC600 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 PC600 pumps can vary by pump type, machine configuration, and serial number. This guide is designed to help customers researching pump applications for the Komatsu PC600 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

PC600-6, PC600-6A, PC600-6A-KJ, PC600-6K, PC600-6KJ, PC600-7, PC600-7-M1, PC600-7K, and more

Hydraulic Pumps

Below are example hydraulic pumps references associated with the Komatsu PC600 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 21M-98-11110 — Grease Pump Ass'Y,(See Fig.Y1680-01A0)
  • 708-2L-00710 — Pump Ass'Y,Hpv95
  • 708-2L-00721 — Pump Ass'Y
  • 708-2L-00731 — Pump Ass'Y
  • 708-2L-01622 — Pump Sub Ass'Y

Water Pumps

Below are example water pumps references associated with the Komatsu PC600 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • CU3064392 — Pump Ass'Y
  • This part cannot be supplied as an individual part. It is supplied as an assembly. — Pump
  • 6212-61-1303 — Water Pump Ass'Y
  • 6212-62-1400 — Water Pump Ass'Y
  • 6217-K6-9900 — Gasket Kit,Water Pump

Oil Pumps

Below are example oil pumps references associated with the Komatsu PC600 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 6217-51-1510 — Gear,Pump Drive
  • 6218-51-2002 — Oil Pump Ass'Y
  • The part specified in the line above can be used instead of this part6218-51-2001 — Oil Pump Ass'Y
  • This shows a discontinued part. The part specified in the above line is supplied instead.6218-51-2000 — Oil Pump Ass'Y

Fuel & Injection Pumps

Below are example fuel & injection pumps references associated with the Komatsu PC600 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • CU3095556 — Fuel Pump Ass'Y
  • 6217-71-1120 — Fuel Pump Ass'Y
  • 6217-71-1130 — Fuel Pump Ass'Y
  • 6217-71-1121 — Fuel Pump Ass'Y
  • 6217-71-1131 — Fuel Pump Ass'Y

Gear Pumps

Below are example gear pumps references associated with the Komatsu PC600 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 705-22-20090 — Pump Ass'Y,Steering (Sar(2)28)
  • 705-22-35090 — Pump Ass'Y,Sar(2)56
  • 705-52-21140 — Pump Ass'Y
  • 708-1U-00200 — Gear Pump Ass'Y
  • 708-1U-00201 — Gear Pump Ass'Y

Additional Pump References

These additional pump references can help narrow the search for Komatsu PC600 pump applications.

  • 07950-10450 — Pump
  • 6217-71-3230 — Gear,Pump Drive
  • 7834-22-9000 — Controller,Pump
  • ND092130-0360 — Priming Pump
  • The part specified in the line above can be used instead of this part7834-22-9001 — Controller,Pump

Identification Notes

For Komatsu PC600 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 PC600 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.