... ,T3,T4.Machine type:Excavator, Loader,Bulldozer,etc.Brands:Caterpillar, Komatsu, ESCO,JCB,Hyundai,Daewoo,Hitach,etcHeat treatment:Quenching and tempering treatmentHardness:Teeth ... price USD1.25/kg is used on smaller mini-excavator and some backhoe/loader applications.Here is the list of the detail for ...