Mack E6 6 Cylinder 672 cid Diesel 300 hp Engine, 1000 Engine hrs, Eaton Fuller Transmission, Air Ride Cab, 36 in Sleeper Cab, 285/75/24.5 Front Tires, 11R24.5 Rear Tires, Reyco Spring Suspension, 165 in Wheelbase, Dual Fuel Tanks