... ,25CrMnB -Excellent quality,reasonable price -OEM is avalable Excavator&bulldozer track shoeMain features:1.material: good material to ensure quality and ... excavators and bulldozerApplicable model: we export track shoe,sprocket,carrier roller,idler and track link,track roller for many kinds of well-konwn ... R210 R290 R220 R320 YC35YC85 SWE65 SWE70 Kato Excavator grouser track shoe HD820