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 drive sprocket for Komatsu models PC78MR-6 through PC88MR-10 mini excavators as specified below. This is a fourteen bolt-hole sprocket, also known as Komatsu part number: 21W-27-41110.
This sprocket (21W-27-41110) is known to fit:
Use the appropriate torque requirement during installation set by Komatsu to avoid damage to the drive sprocket or travel motor. Sprockets and rubber tracks should always be changed together at the same time to maximize the lifespan of your undercarriage parts.
Please include the serial number for your mini excavator when purchasing so we can double-check to make sure you have selected the correct sprocket. 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.