Cummins C8.3 6 Cylinder 8.3 L Diesel 250 hp Engine, 1997 US EPA Label, Manual Transmission, 10000 lb Front Axle, 23000 lb Rears, Aluminum Front Wheels, 11R22.5, Spring Suspension, 175 in Wheelbase, PTO, R/S Body Co 11 ft 11 in Long x 3 ft 10 in High Steel Body, 2-Way Dump, Electric Roll Tarp, 2-Way Tailgate