... 4 OEM service availab Sprocket For SK210LC-6We can offer good quality of Excavator track chain,also do for HITACHI,KATO,KOBELCO,CATERPILLAR ... to customer's size.Replacement parts of front idler for Caterpillar,Komatsu,Hitachi,Kobelco,Mitsubishi,Sumitomo,Daewoo,Hyundai, and ... are for referrence purpose only.we do not imply that these items are products of the OEM excavator Sprocket For SK210LC- ...