Runs the Same Pump Family as the PC350-8 Excavator

Komatsu D85EX Bulldozer Hydraulic Pump (HPV145)

Name: Komatsu D85EX Bulldozer Hydraulic Pump (HPV145)
Brand: Komatsu
Availability: InStock

The D85EX-15/18 bulldozer runs a Komatsu HPV145 pump — the same base pump family used on the PC350-8 excavator, reflecting Komatsu's weight-class-driven engineering approach across its HPV series. At 23-26 tonnes, the D85EX is a genuine step up from the D65EX, matching the larger displacement and higher flow demands of this heavier equipment class.

HPV145 — Shared with PC350-8 350 bar / 145 cc/rev 3-Month Warranty

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The D85EX sits a genuine step above the D65EX in Komatsu's dozer range, and its HPV145 pump reflects that — the same base architecture used on the PC350-8 excavator, scaled to this 23-26 tonne machine class. For mining and heavy construction operators running mixed Komatsu fleets, this cross-model commonality is worth knowing when planning parts sourcing across excavators and dozers of comparable weight class.

D85EX / D85PX Pump — Specification Reference

Spec	Value
Pump Model	HPV145
Applicable Models	D85EX-15/18
Max Operating Pressure	350 bar
Displacement	145 cc/rev
Machine Weight Class	23-26 tonnes
Shared With	Komatsu PC350-8 excavator

Confirm your exact generation and pump nameplate before ordering — WhatsApp a photo for a precise match.

What Our Quality Process Covers

Piston & Cylinder Block Assembly

Measured against Komatsu's original HPV145 tolerance specification.

Blade Control & Track Propulsion Response

Tested for reliable, tandem-circuit performance under heavy dozing load.

Shaft Seal & All O-rings

Replaced as standard on every unit.

Bench Pressure & Flow Test

Verified at 350 bar rated pressure, output documented on the written test report.

Why Mining & Heavy Construction Fleets Choose PumpGrid

Minimise Costly Fleet Downtime

A grounded D85EX in an active mining or quarry operation costs real production time.

Mixed-Fleet Sourcing Support

Running both D85EX dozers and PC350-8 excavators? We can help consolidate your pump sourcing.

Documented Test Results

Written test report with actual pressure and flow readings.

3-Month Warranty

Replacement, not repair, if a workmanship defect appears within warranty.

We Supply Across India

Raipur Nagpur Bhubaneswar Ranchi

FAQs — Komatsu D85EX Pump

Can I use the same pump for my D85EX and PC350-8?

Both share the HPV145 base architecture, but always confirm exact part numbers match before assuming interchangeability — WhatsApp both machines' nameplates and we'll confirm.

Is the D85EX pump different from the smaller D65EX's HPV95?

Yes — different displacement (145 cc/rev vs 95 cc/rev) matched to the D85EX's larger 23-26 tonne weight class versus the D65EX's 18-20 tonnes. See our D65EX page for that pump's details.

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