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.
The RD809-21300 is the original part number for the Kubota KX080-3 tension idler. The idler also fits the KX080-4 series and we guarantee fit for both models. This is the aftermarket idler for the following Kubota mini excavators:
Replacing your tension idler is crucial to proper track functionality. A worn idler can cause a rubber track to de-track and cause major damage to the track and the undercarriage. Keep your track properly tensioned and replace your idler if you have any issues tensioning the tracks. If your idler is showing significant signs of wear or making noise then you should consider bringing it in for maintenance before a failure in the field. This idler is very heavy and a failure in the field would be a costly experience. Check your idler frequently for proper tensioning and function.
This idler assembly (Kubota: RD809-21300) is known to fit:
We stock the full undercarriage for the Kubota KX080-3 and KX080-4:
Free shipping from one of our seven warehouses.*
* Restrictions apply. See details at checkout.