Machine description: Caterpillar 6 Cylinder 7.2 L Diesel 330 hp Engine, 2001 US EPA Label, CARB Compliant, Manual Transmission, 12000 lb Front Axle, 22000 lb Rears, 34000 lb GVWR, 11R22.5, Spring Suspension, PTO, 150 ft L... more info about the 2002 GMC C7.