2013 Mack CXU613 Highrise Sleeper. 221 Wheelbase, MP8 Engine, 445 Horsepower, 10 Speed Transmission, Air Ride Suspension, 12k Front Axle, 40k Rear Axles, Double Bunks, 22.5 Tires, All Aluminum Wheels, 3.36 Ratio. FLEXIBLE FINANCING PROGRAMS AVAILABLE!!