KM3426 Bottom Track Roller for Komatsu D51EX-22 D51PX22

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Part Number: KM3426
Bottom Track Roller
Fits Komatsu: D51EX-22, D51PX22
Sold As - Individual Roller

Fitment Check

Verify your machine model, part number, and undercarriage configuration before ordering.

$339.99 $384.99 Save $45.00

Part Number

KM3426

Product Type Bottom Roller

Fitment

Komatsu: D51EX-22, D51PX22

Application

Undercarriage Position Bottom Track Roller

Equipment Type Crawler Dozer

Function Supports track movement, machine weight, and heavy undercarriage performance

Trust & Assurance

12-Month Warranty

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Proven Quality

Trusted by Contractors

Same machine series may use different undercarriage parts. Please confirm KM3426 matches your existing roller before ordering.

Product Description

This aftermarket replacement bottom track roller is designed for compatible Komatsu crawler dozer models and undercarriage applications.
Bottom track rollers help carry machine weight while supporting and guiding the track during travel, grading, loading, digging, and daily jobsite operation.
Built for Komatsu D51 crawler dozer undercarriages, this roller helps support stable travel, grading work, and consistent track guidance.
Reference part number KM3426 can be used to confirm replacement compatibility with your existing roller assembly.
Fits Komatsu: D51EX-22, D51PX22. Please verify your machine model and part number before ordering.

Key Features

Direct Replacement: Replacement bottom track roller using reference part number KM3426 for compatible Komatsu equipment.

Track Support & Guidance: Helps carry crawler machine weight while supporting track guidance during grading and travel.

Komatsu Crawler Machine Fitment: Designed for listed Komatsu crawler dozer undercarriage applications.

Smooth Roller Operation: Helps maintain smoother crawler track movement during grading and travel.

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.

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