... bucket and so on . Our main spare parts are track roller,top roller,sprocket,track link ,bolt & nut, bucket ,teeth ,adaptor,muffler etc .Type ... : Carrier roller R200Other type is in the following :1) Komatsu: ... , EX200-1-2-3, EX300-1-3-5, EX400, UH08, UH07 3) Caterpillar: E110B, E200B (E320), E240 (MS180), E300B, E330, ...