... 2.Material:ZG40Mn 3.Type:Sprocket Rim 4.Holes:22 Bulldozer Segments Group,Sprocker Rim D50Our spockets for excavators and bulldozer ... treatment process provides hardness in high wear areas.Excavator Sprocket Rim Strict quality management to produce effective and stable products,and ... -3,DH360,DH400,DH450 Various sizes and teeth (sprocket rim)1.High precision tooth profile to be served high dfficiency ...