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.
This is an aftermarket replacement tension idler for Komatsu models PC78MR-6 through PC88MR-10 mini excavators as specified below. This is a fully assembled idler assembly, also known as Komatsu part number: 21W-30-00014.
This idler assembly (21W-30-00014) is known to fit:
If your idler is fully tensioned to maintain track fitment, the idler wheel is likely worn out and requires replacement.
Please include the serial number for your mini excavator when purchasing so we can double-check to make sure you have selected the correct parts. Rubbertrax also offers rubber tracks and additional undercarriage parts for the Komatsu mini excavators.
Free shipping from one of our seven warehouses.*
* Restrictions apply. See details at checkout.