1967 thru 1972 TRUCK MODEL IDENTIFICATION fg 1967 Trucks are identified by model designations consisting of two letters followed by five numbers EXAMPLE S 6 I 12 I I 03 Chassis Engine GVW C A Body and Designation Designation Range Dimension Brake Type The above designation will appear on a Service Parts Identification lPlate However the vehicle serial number excludes the Body and Brake Type Designation and includes the Year Assembly Plant and Unit Number EXAMPLE C S 6 2 7 P 100074 Chassis Type J Engine Type GVW Class Model Type Year e Assembly Plant Unit Built begins at 100 001 j CHASSIS DESIGNATION ENGINE DESIGNATION I Symbol Vehicle Symbol Type of Engine C Conventional Cab D 4 Cyl Detroit Diesel M Tandem E 8 Cyl Gas P Forward Control D D G V6 GMT Diesel T Tilt Cab S 6 Cyl Gas S School Bus Chassis T 3 Cyl Detroit Diesel GVW RANGE CAB TO AXLE DIMENSION CA Symbol Description Symbol Dimension Inches 4 10000 lb 20000 lb 10 60 65 5 15000 lb 23000 lb 12 72 77 6 15000 lb 26000 lb 14 84 89 17 102 107 18 108 113 20 120 125 23 138 143 V 25 150 155 MODEL TYPE BODY AND BRAKE TYPE Symbol En l Description 2 Chassis Cowl School Bus V 02 Cowl Less w s exc Full Air Brakes 3 Chassis Cab 03 Cab exc Full Air Brakes X I V 9 Stake O9 Cab and Stake Rack j 112 Cowl with w s 213 Cab with Full Air Brakes 42 Chassis only exc Full Air Brakes Y I52 Cowl Less w s with Full Air Brakes GM PARTS DIVISION GENERAL MOTORS CORPORAT ON CHEVFIOLET 72TM g 11 J A I I Q A