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.
Below are the replacement aftermarket tension idlers for the Caterpillar 301.4C mini excavator as well as several other models. This idler now ships without the mounting arms that slide into the track frame so that you can use your existing mounting brackets for a perfect fit.
This idler also fits the following models:
The tension idler installs on the opposite end of the undercarriage from the sprocket and this is the part that expands out as you pump the grease in the tensioner to tighten the rubber track. Idlers guide the track in and out of the track rollers, support the machine's weight, and provide a way to control track slack and tension.
This idler assembly (379-2885) is guaranteed to fit:
Free shipping from one of our seven warehouses.*
* Restrictions apply. See details at checkout.