In 1963 and 1964 the vehicle series identification was the same as 1960 thru 1963 The serial number continued to g consist of a prefix indicating the year then the alphabetical cocle letter the first digit following this specifies the series and the second digit is the wheelbase symbol EXAMPLE M T 6 W Year Model Wheelbase Body Type Assy Plant Unit Number 1964 2 Ton LCF 60 Series 175 Conv Cab Pontiac 1236 Unit Built In 1965 and 1966 except the 70000 and 80000 Series the serial number arrangement was changed The numeral designat V ing the year was moved from the front of the serial number to a position immediately preceding the assembly plant designation EXAMPLE I N 6 9 P 101422 Model Series Wheelbase Body Type Year Assy Plant Unit Number Tilt Cab 2 Ton Series 60 175 Cab 1966 Pontiac 1422 Unit Built w 4 Cycle Diesel A NOTE Body types are indicated by the last two digits of a model number and by the third digit following the model letter in the serial number The code is as follows Model Number A Vehicle Serial Number N Last Two Digits 3rd Digit Follomgg Model Letter Body Type 02 2 Cowl less W S School Bus 03 3 Cab 09 9 Stake Rack 12 12 Cowl with W S A MODEL SERIES c A Truck Wheelbase 1 T 8 2 1 2 T Type Description Inches 11 2 Ton 60 2 Ton 0 on Model Year Year Year 133 62 1965 82 1965 I 63 1965 83 1965 Low Cab Forward 64 I 1965 A LQ 175 66 1965 as 1965 I 197 67 1965 sv 1965 4 CY 1 D S 1 187 68 1965 aa 1965 211 69 1965 1 133 51 196 3 66 61 1963 66 81 1963 66 Conventional Cab 145 52 19613 66 62 1963 66 82 1963 66 C with 157 53 19613 66 63 1963 66 83 1963 66 Gasoline Engine 175 55 19613 66 65 1963 66 85 1963 66 197 68 1963 66 88 1963 66 133 51 19645 66 61 1963 66 Conventional Cab 145 52 1965 66 62 1963 66 with 157 53 19615 66 63 1963 66 2 Cycle Diesel 175 55 19615 66 65 1963 66 A 197 68 1963 66 E Low Cab Forward LCF 133 82 1963 65 I g with 2 Cycle mesei 145 83 1963 65 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVFIOLET 72TM 9 C L i I t i J