free vin decode for gm 1991

1: U.S. BUILT

G: GENERAL MOTORS

D: GMC INCOMPLETE

P: GVWR RANGE - 33,001-40,500 BRAKE SYS - AIR

7: 7000 SERIES MED DUTY

H: 104" BBC CONV. MEDIUM BBC = BUMPER TO BACK OF CAB

4: 6 X 4

M: GM 7.0L V8 TBI

3: CHECK DIGIT

M: 1991 MODEL YEAR

J: JANESVILLE WI

J: JANESVILLE (T&B) WI

BuildDate: 1990806