ENGINE AND FUEL SYSTEM KEY DESCRIPTION KEY DESCRIPTION 1 - VENTILATOR TUBE 21 - ALTERNATOR 2 - AIR FILTER RESTRICTION INDICATOR 22 - CRANKSHAFT PULLEY 3 - AIR INTAKE TUBE [03H03] ENGINE 9010 444C and 444CH Loader PC1788 in LOADER, FOUR-WHEEL DRIVE 444CH