Detroit Series 60 6 Cylinder 14.0 L Diesel 470 hp Engine, 2005 US EPA Label, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, 40000 lb Rears, 3.58:1 Axle Ratio, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 385/65R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Assist Front Suspension, Airliner Air Ride Suspension, 266 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks