Komatsu Excavator Water Pumps

Komatsu Excavator Water Pumps parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	D37EX-23, D37EX-24, D37EXI-23, D37EXI-24, D37PX-23, D37PX-24, D37PXI-23, D37PXI-24 D39EX-23, D39EX-24, D39EXI-23, D39EXI-24, D39PX-23, D39PX-24, D39PXI-23, D39PXI-24, PC78US-10, PC78UU-10, PC88MR-10, PC128USI-10, PC130-11, PC138US-10, PC138US-11	Water Pump		6275-61-1200	$490.00	View Info

Water pumps for Komatsu excavators powered by QSB3.3 and SAA4D95LE engines, covering compact and mid-size crawler excavators across multiple generations of the PC78, PC88, PC128, PC130, and PC138 series machines.

Fits Models At A Glance

PC78 Series: PC78US-10, PC78UU-10
PC88 Series: PC88MR-10
PC128 Series: PC128USI-10
PC130 Series: PC130-11
PC138 Series: PC138US-10, PC138US-11

Key Notes

Engine Compatibility: Fits QSB3.3 and SAA4D95LE engine configurations
Part Number Reference: OEM cross-reference 6275-61-1200
Application: Engine cooling system water circulation on compact and mid-size excavators
Condition: New replacement units available

Why Choose Broken Tractor

✅ Accurate fitment verified against Komatsu OEM data
✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
✅ Knowledgeable staff ready to confirm compatibility

Frequently Asked Questions

Which Komatsu excavator water pump fits my machine?

Broken Tractor carries water pump 6275-61-1200 for Komatsu PC78US-10, PC78UU-10, PC88MR-10, PC128USI-10, PC130-11, PC138US-10 and PC138US-11 excavators. These cover compact and mid-size Komatsu crawler excavators across several generations. If your model is not on that list, confirm fitment before ordering.

What engines does the Komatsu excavator water pump 6275-61-1200 fit?

The 6275-61-1200 water pump fits Komatsu excavators powered by QSB3.3 and SAA4D95LE engines. Check your engine model along with your excavator model to make sure the pump matches your configuration.

Does the same water pump fit both the Komatsu PC138US-10 and PC138US-11?

Yes, the 6275-61-1200 water pump is listed for both the Komatsu PC138US-10 and PC138US-11. It is also listed for the PC130-11 and PC128USI-10, so one part number covers several Komatsu excavator generations.

Is the Komatsu excavator water pump new or rebuilt?

Broken Tractor offers the Komatsu excavator water pump as a new replacement unit. It serves as the water circulation pump for the engine cooling system on compact and mid-size Komatsu excavators.

How do I confirm I am ordering the right water pump for my Komatsu excavator?

The simplest check is to match the OEM part number 6275-61-1200 against the pump on your machine, then confirm your excavator model and engine type. Fitment can vary by model and engine, so if you are unsure, call our parts team at (800) 909-7060 to verify compatibility before you order.