4900SF, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Detroit DD16, 18 Spd, Beautiful truck with Premium interior and bunk heater! Truck is in excellent condition. It has been DYNO, DOT, serviced, and fully inspected by our certified technician!, 600 Horse Power, AirLiner Suspension, Aluminum Wheels, 264 Wheel Base, 11R24.5, Tandem Axle, Ratio, 68 Low Roof Sleeper