free vin decode for gm 1991
| 1: U.S. BUILT | | G: GENERAL MOTORS | | D: GMC INCOMPLETE | | H: GVWR RANGE - 19,501-23,500 BRAKE SYS - AIR | | 6: 6000 SERIES MED DUTY | | H: 104" BBC CONV. MEDIUM BBC = BUMPER TO BACK OF CAB | | 1: 4 X 2 | | J: CAT 6.6L 3116 DIESEL | | 6: CHECK DIGIT | | M: 1991 MODEL YEAR | | J: JANESVILLE WI | | J: JANESVILLE (T&B) WI | | BuildDate: 1990917 |
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