2022 PETERBILT 579 Conventional, 80 Inch UltraLoft Sleeper, Upper Bunk, Cummins X15 Engine, 450 H.P., Engine Brake, EEO-17F112C Transmission, (Automatic), 40,000 Lb. Rear Ends, 2.64 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Dual Aluminum Fuel Tanks, Exterior Visor, Side Fairings, Quarter Fenders, Tilt And Telescoping Steering Wheel, Cruise Control, Power Windows, Climate Control System, Air Slide 5th, 242 Inch Wheel Base, 22.5 Low Profile Tires, Aluminum Disc Wheels.