Cummins ISC 6 Cylinder 8.3 L Diesel 225 hp Engine, US EPA Label, Air Conditioner, Cruise Control, Eaton Fuller FS5406 6-Speed Manual Transmission, 9000 lb Front Axle, 19000 lb Rears, Meritor RS19-144 Drive Axles, 3.90:1 Axle Ratio, 26000 lb GVWR, 34 in Flat Top Sleeper Cab, 11R22.5 Front Tires, 11R22.5 Rear Tires, Airliner Air Ride Suspension, 252 in Wheelbase, 1 Vehicle Capacity, Chain Tie Downs