ENGINE AND FUEL SYSTEM KEY DESCRIPTION 1 - FUEL FILLER CAP 2 - FUEL TANK 3 - FUEL FILTER 4 - COLD WEATHER STARTING AID 5 - TURBOCHARGER OIL INLET LINE 6 - FILTER ADAPTER 7 - TURBOCHARGER 8 - MUFFLER 9 - RADIATOR 10 - SPEED CONTROL LEVER 11 - [04B11] ENGINE 9010 670A, 672A, and 670A, 672A (Automatic Blade Control System) Graders PC1620 in GRADER, MOTOR 672A