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free vin decode for gm 2004

4: U.S. BUILT
G: GENERAL MOTORS
T: GMC TRUCK
T: GVWR RANGE - 48,501-58,000 BRAKE SYS - AIR
8: 8000 SERIES MED DUTY (C8/T8)
F: TILT CAB CHASSIS, 86.0 BUMPER TO BACK OF CAB (T6F-T8F)
4: 6 X 4 (3 AXLES - 2 DRIVING)
3: ISUZU 7.8L L6 TURBO DIESEL (LG4)
X: CHECK DIGIT
4: 2004 MODEL YEAR
F: FLINT MI
BuildDate: 20141110