OK request send BULLDOZERS D31AM-20 S/N 42001-UP UNDER CARRIAGE Section UNDER CARRIAGE D31AM-20 S/N 42001-UP Komatsu: FRONT IDLER(#42001-42713) 300010 FRONT IDLER(#42714-) 300020 RECOIL SPRING 300030 TRACK ROLLER(#42001-42590) 300040 TRACK ROLLER(#42591-42964) 300050 CARRIER ROLLER 300060 TRACK SHOE (MASTER PIN TYPE) (SINGLE GROUSER WITH HOLE) (400MM WIDE) (FOR TRIMMING DOZER)(#42001-42766) 300070 TRACK SHOE (MASTER PIN TYPE) (SINGLE GROUSER WITH HOLE) (400MM WIDE) (FOR TRIMMING DOZER)(#42767-) 300080 TRACK SHOE (LUBRICATE TYPE) (SINGLE GROUSER) (400MM WIDE) 300090 TRACK SHOE (LUBRICATE TYPE) (SINGLE GROUSER WITH HOLE) (400MM WIDE) (FOR TRIMMING DOZER) 300100 TRACK SHOE (LUBRICATE TYPE) (SEMI-DOUBLE GROUSER) (400MM WIDE)(#42001-42181) 300110 TRACK FRAME 300120 TRACK FRAME (TRACK ROLLER)(#42965-) 300130 TRACK FRAME COVER 300140 TRACK GUARD (FOR MONO BLOCK TYPE)(#42001-42964) 300150 Truck sale: