We carry a full line of replacement undercarriage parts for the Takeuchi TB 045 Mini Excavators. We stock all of your undercarriage and rubber track needs including sprockets, bottom rollers, top carrier rollers, and idlers. The sprocket and idler are interchangeable for both the TB045 and TB145 models. They are backed by the equivalent OEM manufacturer warranty. The parts listed are in stock and usually ship the same day. We also offer the final drive motors for the Takeuchi TB 045.