International MaxxForce DT 6 Cylinder 7.6 L Diesel Engine, 2008 US EPA Label, Allison Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, 11R22.5, Spring Suspension, 154 in Wheelbase, Fortress 10 ft Long x 2 ft 8 in High Steel Body, Pintle Hitch