2015 International Prostar, ISX15-400HP, 13 Speed Manual, 72 " Raised Roof Sleeper, Double Bunks, Air Ride Suspension, 224 in. Wheelbase, 3.42 Rear End Ratio, All Aluminum Wheels, Single Vertical Exhaust, Sliding Fifth Wheel, Full Fairings, Cab Extenders, Dual Tanks, Power Windows, Power Steering, Heated Mirrors, Daylight Doors, Dual High-Back Seats