Upgrade your Kubota KX 161-2 series rubber tracks to the premium aftermarket rubber tracks from Rubbertrax and increase lifespan and performance from your undercarriage. The Kubota KX 161-2 mini excavator has more than one serial number breakdown. We stock most of the parts for each serial number but give us a call and we can look up your Kubota KX 161-2 parts for you if you need assistance. The rubber track is dedicated to this undercarriage system and is not interchangeable with any other track. We supply the complete line of KX 161-2 series undercarriage parts including the drive sprockets (RD308-14430 and 68678-14430), the front idlers (RD201-21330 and RD208-21300), the top carrier roller (RD208-21904).