Undercarriage parts:The track rollers, track links, Link shoes, idlers, sprockets, segments, track tension springs, tension cylinders, link pins, bucket pins, shoe bolts and nuts. teeth, shank, buckets, For follow types:.1) Caterpillar:D2, D3C, D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K, E110B, E200B (E320), E240 (MS180), E300B, E330, 2) Komatsu: D20, D30,D31 D50, D60, D75, D80, (D85),D155,D325. PC40, PC60-5-6-7, PC100, PC120, PC130, PC240, PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC4001-3-5, 3) Daewoo: DH220, DH280, R200, R2104) Kato: HD250, HD400 (HD450), HD500, HD550, HD700 (HD770), HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH18805) Hitachi: EX40, EX60, EX150, EX100M, EX100, EX120, EX150, EX200-1-2-3, EX300-1-3-5, EX400, UH08, UH076) Kobelco: SK07N2, SK07-7SK200, SK220, SK300, SK3207) Sumitomo: SH120, SH200, SH280, SH300, SH4008) Mitsubishi MS110, MS120, MS1809) Samsung: SE55, SE210