Steel Tracks Inc. undercarriage components are warranted to be free from defects in material and workmanship under normal use and service for a period of 36 months/ 4000 hours, whichever occurs first from date of delivery to the original retail purchaser. Skid Steer Tracks have a 12 month/ 1000 hour warranty.  Our Mini Excavator Tracks carry an 18 month/ 1500 hours warranty. There is no warranty,express or implied, other than that which is offered by the manufacturer of the product. No returned goods allowed without written permission.