266-8794 Top Carrier Roller for Caterpillar 303.5C 303.5E 304E 304E2CR + More

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  • Part Number: 266-8794
  • Top Roller / Carrier Roller
  • Fits Caterpillar: 303 CCR, 303ECR, 303.5C, 303.5 CCR, 303.5D, 303.5E, 303.5ECR, 303.5E2CR, 304E, 304ECR, 304DCR, 303.5CCR, 303.5DCR, 304E2CR, 303CCR
  • Sold As - Individual Roller
$77.24 $109.99 Save $32.75
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Part Number

266-8794
Reference Part No. 2668794
Product Type Top Roller

Fitment

Caterpillar: 303 CCR, 303ECR, 303.5C, 303.5 CCR, 303.5D, 303.5E, 303.5ECR, 303.5E2CR, 304E, 304ECR, 304DCR, 303.5CCR, 303.5DCR, 304E2CR, 303CCR

Application

Equipment Type Mini Excavator
Function Supports the upper track path and helps guide smooth track return between the sprocket and idler.

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 266-8794 or 2668794 matches your existing roller before ordering.

Product Description

  • This aftermarket replacement top carrier roller is designed for compatible Caterpillar 303, 303.5, and 304 mini excavator models.
  • Top carrier rollers support the upper track return path and help guide the track smoothly through the undercarriage.
  • Built for Caterpillar 303/304 mini excavator applications, this carrier roller helps maintain upper track guidance during travel and daily operation.
  • Part numbers 266-8794 and 2668794 can be used to confirm replacement compatibility with your existing top carrier roller assembly.
  • Fits Caterpillar models including 303 CCR, 303ECR, 303.5C, 303.5 CCR, 303.5D, 303.5E, 303.5ECR, 303.5E2CR, 304E, 304ECR, 304DCR, 303.5CCR, 303.5DCR, 304E2CR, and 303CCR. Please verify your machine model and part number before ordering.

Key Features

Direct Replacement: Replacement top carrier roller using part numbers 266-8794 and 2668794 for compatible Caterpillar equipment.

Upper Track Support: Supports the upper track path and helps guide smooth track return between the sprocket and idler.

Caterpillar 303/304 Fitment: Designed for listed Caterpillar 303, 303.5, and 304 mini excavator carrier roller applications.

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

Part Number & Fitment Check: Part numbers 266-8794 and 2668794 can be used to confirm compatibility. Verify your machine model and existing top carrier roller before ordering.

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

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12-Month Warranty

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