Free Shipping to commercial address. *Restrictions apply


Caterpillar 301.5 301.6 301.8 Idler

226-4049 Cat Idler 144-6799
Caterpillar 301.5 301.6 301.8 Idler
Buy replacement Caterpillar® 301.5, and 301.6 tension idlers online at Rubbertrax to save time and money. We will ship to your door and save you a trip to the expensive dealership. This 226-4049 idler ships for free when you check out online.
SKU: 226-4049
Weight: 43 lbs
Make: Cat
Shipping: Fast and Free!
Price: $249.00

Rubber tracks and wear parts are sold individually unless specified in the details. We offer free shipping across the USA when you order online and ship to a commercial address. *Some restrictions apply.

226-4049 Idler Assembly

The 144-6799 and 226-4049 are interchangeable part numbers for the 301.5 through the 301.8 Caterpillar® mini excavator series. This idler assembly is fully assembled with bushing and seals and arrives ready to be installed using your existing mounting brackets. The idler ships without mounting arms in most cases so you just need to push the roll pins out of your existing idler arm brackets and reuse your original mounting brackets for installation. This is the aftermarket tension idler designed for the following Caterpillar® mini excavator models:

  • Caterpillar® 301.5 (Must Verify, High Serials)
  • Caterpillar® 301.6 (Must Verify, High Serials)
  • Caterpillar® 301.6C (Must Verify, High Serials)
  • Caterpillar® 301.8 (Must Verify, High Serials)
  • Caterpillar® 301.8C (Must Verify, High Serials)

This is the larger roller wheel that pushes out as you grease the tensioner to tighten the rubber track.

The idler is installed on the opposite side of the undercarriage from the sprocket.

OEM Part Numbers

  • Caterpillar® Dealer Part Number: 226-4049

Optional Part Availability

This idler is for the higher serial numbers. Please verify the specs as the lower serials require part number 144-6799.

Related Cat 301.5 301.6 301.8 Undercarriage