1,Excavator spare part,track link assy PC40-7 2,Brand:XJ 3, ... 40Mn2 4,Warranty:6 months Excavator spare part,track link assy PC40-7 1,Product's Information BrandXJMaterial40Mn2TechnologyForging/ ... track roller assembly, carrier roller assembly, sprocket, idler, link assembly, track shoe, high strength bolt and nut, bucket ... YC35YC85 SWE65 SWE70 Excavator spare part,track link assy PC40-7