1,Hitachi excavator track shoe EX120 2,Brand:XJ 3,Material:25MN 4,Warranty:6 months Hitachi excavator track shoe EX120 Main features:1.material: 25MnB2.size:standard3.OEM avaliable4.surface hardness:HRC40-455.Through hardening and tempering processes to guarantee excellent mechanical propertiesProduct range: A complete pitch range products namely 101,135, 140,149,154, 160,171, 175, 190, 203, 216, ...