Komatsu GD750 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 GD750 pumps can vary by pump type, machine configuration, and serial number. This guide is designed to help customers researching pump applications for the Komatsu GD750 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

GD750A-1

Hydraulic Pumps

Below are example hydraulic pumps references associated with the Komatsu GD750 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 1436 249 H2 — Hose, Suction - To Hydraulic Pump
  • 1436 250 H1 — Hose - Hydraulic Pump Lube Line
  • 1436 251 H1 — Hose - Steering/Brake Pump Lube Line
  • 1436 252 H1 — Hose, Suction - To Steering/Brake Pump
  • 1436 975 H1 — Hose - Hydraulic Pump To Test Port: Main Press

Water Pumps

Below are example water pumps references associated with the Komatsu GD750 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 1239 655 H2 — Seal, Water Pump
  • 1246 579 H1 — Impeller, Water Pump
  • 1246 580 H1 — Gear, Water Pump
  • 1294 220 H1 — Shaft, Water Pump
  • 1294 221 H1 — Body, Water Pump

Oil Pumps

Below are example oil pumps references associated with the Komatsu GD750 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 1296 292 H92 — Pump, Lubricating Oil

Fuel & Injection Pumps

Below are example fuel & injection pumps references associated with the Komatsu GD750 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 1246 310 H2 — Brace, Fuel Pump
  • 1312 771 H91 — Pump, Fuel (W/Cal)
  • 6216-94-3210 — Gasket, Fuel Pump

Charge Pumps

Below are example charge pumps references associated with the Komatsu GD750 family. Some may be stocked products and others may be quote-based references depending on current catalog coverage.

  • 1437 757 H1 — Pump, Charge

Additional Pump References

These additional pump references can help narrow the search for Komatsu GD750 pump applications.

  • 1212 589 H1 — Pump
  • 1243 218 H1 — Sleeve, Pump Drive
  • 1435 558 H92 — Pump, Steering & Brake
  • 1435 559 H92 — Pump, Hydraulic
  • 1435 602 H91 — Pump, Differential Lock/Unlock

Identification Notes

For Komatsu GD750 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 GD750 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.