Conventional with sleeper. 70 in Ultracab; MX Paccar Engine 485 hp; 13 Spd OD; Engine Brake; Air Ride Suspension; 3.36 Ratio; 22.5 Tires; Aluminum/Steel Wheels; 230 in Wheelbase; Tandem Axle; NICE TRUCK WITH WEBASTO BUNK COOLING SYSTEM, CALL GEORGE BUSBY FOR INTERNET PRICING.