... and shipment of the order products all the way. 1. Crawler crane undercarriage parts:Track shoe, Pin, Sprocket, Idler, ... 2. Excavator and Bulldozer undercarriage parts:Track chain, Track shoe, Sprocket& Segment, Idler, Track roller, Carrier roller 3. Ground ... BucketQ460+WH60A+WELDOX960Consolidated plate on the base, enhance the thickness of side plate, and install protective board, the tooth plate ...