KM4023 Idler for Komatsu D61EX D61PX-12

★ ★ ★ ★ ★

2 reviews

Part Number: KM4023
Idler
Fits Komatsu: D61EX, D61PX-12
Sold As - Individual Idler

$1,259.99 $1,448.99 Save $189.00

Part Number

KM4023

Fitment

Komatsu: D61EX, D61PX-12

Application

Equipment Type Dozer / Track-Type Tractor

Function Helps support track guidance and alignment during grading, earthmoving, and heavy undercarriage operation.

Trust & Assurance

12-Month Warranty

Free Shipping in the USA

Proven Quality

Trusted by Contractors

Same machine series may use different undercarriage parts. Please confirm KM4023 matches your existing roller before ordering.

Product Description

This aftermarket replacement idler is designed for compatible Komatsu dozer / track-type tractor models and undercarriage applications.
This idler helps maintain proper track tension and alignment, supporting smooth track movement during daily operation.
Built for demanding jobsite conditions, this replacement idler helps support stable machine handling and reliable track performance.
Reference part number KM4023 can be used to confirm replacement compatibility with your existing idler assembly.
Fits Komatsu models including D61EX, D61PX-12. Please verify your machine model and part number before ordering.

Key Features

Direct Replacement Idler: Aftermarket idler using reference part number KM4023 for compatible Komatsu equipment.

Fits Komatsu Models: Designed for Komatsu D61EX and D61PX-12 dozer / track-type tractor models. Please confirm part number KM4023 before ordering.

Supports Track Tension: Helps maintain proper track tension and alignment, reducing uneven track wear and supporting stable undercarriage performance.

Durable Jobsite Performance: Built for demanding jobsite conditions, daily undercarriage service, and reliable replacement performance.

Smooth Track Operation: Designed to support steady track movement, improved machine control, and reliable performance during daily operation.

Warranty

12-Month Warranty.
Every rubber track, roller, sprocket, and idler we sell is backed by a 12-month warranty.
If it doesn’t hold up, we make it right.

Shipping

Free Shipping in the USA

We keep inventory stocked and offer fast nationwide shipping, often same or next business day, from strategically located warehouses.

Free Shipping in the USA

Fast & reliable delivery

12-Month Warranty

We’ve got you covered

Expert Support

Talk with real people

Secure Checkout

Safe & secure payments