If we have a description of this manufacturer's warranty, it will be listed below; however, we advise that you contact the manufacturer directly for specific details.
5 Year manufacturers limited warranty on all tools.
http://www.hitachipowertools.com/index/main-navigation/service-and-support/warranty-info.aspx
http://www.hitachipowertools.com/index/main-navigation/service-and-support/contact-us.aspx
(800) 829-4752