T600B, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Caterpillar C-13, Autoshift, Nice unit state inspected and ready to work for you today!! unit had a complete engine overhaul done about 300K miles ago.... runs great and ready to work call (540)773-7097 and ask about it today!, 430 Horse Power, Air Ride Suspension, Wheels, 235 Wheel Base, 22.5lp, Tandem Axle, Ratio, 72 Mid Roof Sleeper