Wholesale DAEWOO DH220 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale CATERPILLAR E312 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale CATERPILLAR E320Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale HITACHI EX200-5 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale KOMATSU PC100-5 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale KOMATSU PC200-5 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale KOBELCO SK350-8 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

Wholesale HITACHI ZAX330 Sprocket for Excavator undercarriage parts/ Crawler Track Parts

The sprocket is composed of collar、idler shell、shaft、seal、o-ring、bushing bronze、lock pin plug，the idler is applicable to special model of crawler type excavators and bulldozers from 0.8T to 100T.it is widely applied in bulldozers and excavators of Caterpillar,Komatsu,Hitachi,Kobelco,Kubota,Yanmar and Hyundai etc,have different manufacturing technology,like casting,welding and forging,use precision processing technology and special heat treatment technique to reach best wear-resistance and have maximum extent loading capacity as well as anti-cracking. The function of an idler is to guide the track links into running smoothly and to prevent dislocation,idlers also carry some weight and therefore increasing groud pressure.there is also an arm in the center which supports the track link and guides the two sides.the smaller the distance between the idler and track roller,the better the orientation. Our products are according to the standard of OEM to manufacture.