1.Excavator carrier roller for KOMATSU PC series 2.Warranty:6 months ... : Komatsubulldozer seriesD31,D53,D60, D65, D80, D85, D155, D355,D475 excavator seriesPC60, PC70, PC90, PC130, PC200, PC210, PC220, PC240, PC270, PC300 ... like excavator and bulldozer are widely used for the wellknown brandmachines, such as international brand HITACHI, KOMATSU, KOBELCOHYUNDAL, VOLVO, DAEWOO, SUMITOMO, KATO ...