... Brand:XJ 3,Material:40Mn2 4,Warranty:6 months Excavator spare part,track link assy PC40-7 1,Product's Information ... manufacturing, exporting various of undercarriage parts and components of engineering machinery such as track roller assembly, carrier roller assembly, sprocket, ... R130R200 R210 R290 R220 R320 YC35YC85 SWE65 SWE70 Excavator spare part,track link assy PC40-7