6 Cylinder Diesel Engine, Engine Brake, Eaton Fuller FRO-16210C Manual Transmission, 12350 lb Front Axle, 38000 lb Rears, Eaton Drive Axles, 3.7:1 Axle Ratio, 50350.0 lb GVWR, Air Ride Cab, 70 in Mid Roof Sleeper Cab, Bunk Beds, 295/75R22.5, Air Ride Suspension, 212 in Wheelbase, Lowboy Ramps, Dual Fuel Tanks