... 1)series undercarriage 2)different sharp used for different earth condition 3)competitive price 4 ... bits, blades, sprocket teeth, ripper shanks and protectors for both domestic and overseas bulldozers, excavators, graders and loaders ... D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K 4) Daewoo: DH220, DH280, R200, R210. 5) Kato: HD250, HD400 ... , SH300, SH400 8) Mitsubishi: MS110, MS180 EX1200 Excavator Track roller