OK request send 3D74E-3B S/N 00101-UP Section 3D74E-3B S/N 00101-UP Komatsu: CYLINDER HEAD 030000 CYLINDER BLOCK 060000 LUBRICATING OIL SYSTEM 090000 FUEL SYSTEM 120000 COOLING SYSTEM 150000 ELECTRICAL SYSTEM 180000 TOOL AND KIT 210000