2018 KENWORTH T-680 Conventional, 76 Inch High-Roof Sleeper, Upper Bunk, Cummins X15 Engine, 565 H.P., Engine Brake, RTLO-18918B Transmission, (Manual), 40,000 Lb. Rear Ends, 3.25 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Deer Guard, Dual Aluminum Fuel Tanks, Horizontal Exhaust, Side Fairings, Cab Extenders, Quarter Fenders, Tilt And Telescoping Steering Wheel, Cruise Control, Power Windows, Workstation, Air Slide 5th, 230 Inch Wheel Base, 22.5 Low Profile Tires, Aluminum Disc Wheels.