International 6 Cylinder Diesel Engine, Engine Brake, Automatic Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 56 in Mid Roof Sleeper Cab, Bunk Heater, 11R22.5, Air Ride Suspension, 240 in Wheelbase, 103 in Cab to Axle, 156 in Cab to End of Frame