International DT466 6 Cylinder 7.6 L Diesel 220 hp Engine, 2005 US EPA Label, Engine Brake, Allison Automatic Transmission, 10000 lb Front Axle, 19000 lb Rears, 5.56:1 Axle Ratio, 25999.0 lb GVWR, 295/75R22.5, Spring Suspension, 170 in Wheelbase, 104 in Cab to Axle, 140 in Cab to End of Frame