76 Inch High-Roof Sleeper, Upper Bunk, 575,000 Approximate Miles, ECM Reads 575,000 Miles, Cummins X15 Engine, 450 H.P., Engine Brake, Eaton Fuller Endurant 12 Speed Transmission, (Automatic), 40,000 Lb. Rear Ends, 2.79 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Dual Aluminum Fuel Tanks, Horizontal Exhaust, Side Fairings, Cab Extenders, Quarter Fenders, Bunk Heater, Vantage Interior, Tilt And Telescoping Steering Wheel, Cruise Control, Power Windows, Auxiliary Power Unit, Workstation, Air Slide 5th, 228 Inch Wheel Base, 22.5 Low Profile Tires, Disc Wheels, Aluminum Discs Front And Outside Rear.