KOMATSU 425-20-23111 OE Part

Name: KOMATSU 425-20-23111 OE Part
Brand: PTC Drivelines
SKU: KOMATSU 425-20-23111

Komatsu Replacement Part

KOMATSU 425-20-23111

OEM Test Certified Self-Lubricated 24h Quote Response ISO 9001:2015

A worn front driveshaft is one of the more common reasons a Komatsu WA500-3 starts vibrating or clunking near the front axle, especially once the machine has racked up serious hours in a quarry or earthmoving site. The PTC 2028 Driveshaft (OEM: KOMATSU 425-20-23111) replaces this section like-for-like, built to the same dimensions as the original so it goes straight in without any cutting, re-drilling, or custom fitting.

This shaft is the last piece in the front driveline run, taking torque from the front-intermediate section and delivering it into the front axle input. Because it sits right at the axle end, it takes the brunt of shock loading whenever the machine hits uneven ground or the loader bucket is under heavy load — which is exactly why this section tends to wear faster than shafts further up the driveline. The forged yokes and balanced tube construction are built to absorb that punishment over the long term rather than just meeting a spec sheet.

Every PTC 2028 is made from high-grade steel tubing and balanced as a finished assembly, not balanced in pieces and hoped for the best. We check each unit against OEM drawings before it leaves the factory, and an inspection report is available if you need one for your records.

Technical Specifications

Technical Specifications
Dimensions match OEM. Ask us for the certified drawing if you need it for your records.

Parameter	Specification
OEM Part Number	KOMATSU 425-20-23111
PTC Part Number	PTC 2028
Product Type	Driveshaft Assembly
Position / Location	Front
Compatible Model	Komatsu WA500-3 Wheel Loader
Shaft Material	High-Grade Steel Tubing
Yoke Type	Forged Steel End Yokes
Dynamic Balancing	Applied to Complete Shaft Assembly
Surface Finish	Machined to OEM Tolerance
Application	Komatsu WA500-3 — Front Driveshaft
Operating Environment	Construction, Quarry and General Earthmoving
Weight (Approx.)	Contact PTC for exact weight and dimensional drawing

Frequently Asked Questions

Can I replace just this section, or do I need to change the whole driveline at once?

You can replace the PTC 2028 on its own — it's a standalone section and doesn't require replacing the engine-side or front-intermediate shafts unless they're also worn. Most operators replace sections individually as they fail rather than swapping the entire driveline at once.

What tools or lead time should I expect for installation?

Installation is a standard mechanical job for anyone familiar with Komatsu driveline work — no special tooling beyond what you'd normally use for yoke and flange bolts. Turnaround mostly depends on your own workshop scheduling rather than anything unusual about the part itself.

Why does the front section wear faster than the rest of the driveline?

It sits closest to the axle, so it absorbs more direct shock load from uneven terrain and bucket loading than sections further back toward the engine. That's normal wear behavior for this position, not a sign of a defective part.

Will a worn front driveshaft damage other components if I don't replace it in time?

Yes, it can. Sustained vibration or play at this joint puts extra stress on the front axle input, and in some cases can accelerate wear on the intermediate shaft as well. Replacing it early is generally cheaper than waiting for it to cause downstream damage.

Do you supply this with new fasteners, or do I reuse my existing bolts?

The PTC 2028 ships as the driveshaft assembly itself; fasteners are typically reused unless they're worn or damaged. If you'd like new bolts included, let us know when ordering and we can quote it as part of the package.