KM3425 Bottom Track Roller for Komatsu D51EX-22 D51PX22

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  • Part Number: KM3425
  • 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.

$269.99 $302.99 Save $33.00
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Part Number

KM3425
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
Free Shipping in the USA
Proven Quality
Trusted by Contractors

Same machine series may use different undercarriage parts. Please confirm KM3425 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 KM3425 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 KM3425 for compatible Komatsu equipment.

Track Support & Guidance: Helps guide the track while the machine travels, turns, and works under crawler load.

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

Smooth Roller Operation: Supports smooth roller movement to help reduce vibration, noise, and track wear.

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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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

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12-Month Warranty

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