TRUCK SERIAL NUMBER UESIGNATION EFFECTIVE AUGUST 1980 WITH START OF 1981 PRODUCTION ALL VEHICLES HAVE IT CHARACTER SERIAL NUMBERS AND WILL BE CONSISTENT IN CHARACTER PLACEMENT AND MEANING A TYPICAL NEW VEHICLE IDENTIFICATION NUMBER V I N FOR MODEL D9K042 IS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 G T M 9 K 1 H 4 D V 5 5 6 1 2 3 MEANING OF CHARACTERS IS AS FOLLOWS 1 US BUILT 2 CANADIAN BUILT J JAPAN BUILT G GENERAL MOTORS B ISUZU T B CHEV INCPL C CHEV D GMC INCPL T GMC M GVWR BRAKE SYSTEM 9 SERIES GVW RANGE K CAB TYPE 1 L CHASSIS TYPE H L ENGINE CODE 4 CHECK DIGIT FOR AUDITING PURPOSES ONLY D MODEL YEAR CODE D 19B3 E 19B4 P 1985 G 1986 H 1987 J 1988 V PLANT CODE PONTIAC 556123 4 SEQUENCE NUMBER 4 GVWR BRAKE SYSTEMS A 9 001 10 000 HYD H 19 501 23 500 AIR R 40 501 48 500 HYD B 10 001 14 000 HYD J 23 501 26 000 HYD S 40 501 48 5OO AIR C 14 001 16 000 HYD K 23 501 26 000 AIR T 48 501 58 000 AIR D 14 001 16 00D AIR L 26 001 33 000 HYD V 58 001 69 500 AIR E 16 001 19 500 HYD M 26 001 33 000 AIR W 69 501 0VER AIR F 16 001 19 50O AIR N 33 001 40 500 HYD X GLYDER KIT G 19 501 23 SOO HYD P 33 001 40 50O AIR 5 SERIES 4 4500 SERIES MED DUTY 7 7000 SERIES MED DUTY 5 5000 SERIES MED DUTY 8 8000 SERIES HVY DUTY 6 6000 SERIES MED DUTY 9 9500 SERIES HVY DUTY 6 TRUCK LINE CAB TYPE C 92 5 BBC CONV STEEL F 116 BBC CONV ALUM 1 92 5 BBC D 97 5 BBC CONV STEEL K 54 BBC ALUM TILT 2 97 5 BBC W O RPO EPG L 86 BBC ALUM TILT 3 108 BBC D 92 5 BBC STEEL CONV N 71 75 BBC STEEL TILT 4 116 BBC W RPO EPG P BUS CHASSIS FLAT BACK COWL OTHER THAN E 108 BBC CONV ALUM T PWD CONTROL CHASSIS ONLY CAB CHASSIS 7 CHASSIS TYPE 0 GLIDER KIT 3 6 X 2 1 4 X 2 4 6 X 4 2 4 X 4 5 6 X 6 8 ENGINE TYPE A GM 5 7L 2BBL V8 GAS M GM 6V 71 DIESEL B GM 6 0 L 4BBL VB GAS N CUMMINS VT 225 DIESEL C CUMMINS NTC FORMULA DIESELS R CATERPILLAR 3406 DIESEL D GM 4 53 DIESEL S GM 7 4L 4BBL V8 GAS E GM 7 0L 4BBL V8 GAS T GM 4 8L 1BBL L6 GAS P GM 8 2N DIESEL V GM 6V 53 DIESEL G GM 8 2T DIESEL W CUMMINS 10 0L DIESEL H GM 8V 71 DIESEL X GLIDER KIT LESS ENGINE J GM 6V 92 DIESEL Y CATERPILLAR 3208 DIESEL K GM BV 92 DIESEL Z GM 6 71 DIESEL L DEUTZ BF6L9I3 DIESEL 2 GM 6 0L V8 LPG 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB 7