2020 PETERBILT 579 UltraCab Conventional, 80 Inch Unibilt High Roof Sleeper, Upper Bunk, PACCAR MX-13 Engine, 455 H.P., Engine Brake, Automatic Transmission, 40,000 Lb. Rear Ends, 2.64 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Chrome Bumper, Dual Aluminum Fuel Tanks, Horizontal Exhaust, Exterior Visor, Roof And Side Air Fairings, Cab Extenders, Stainless Steel Quarter Fenders, Bunk Heater, Tilt And Telescoping Steering Wheel, Cruise Control, Power Windows, Auxiliary Power Unit, Air Slide 5th, 238 Inch Wheel Base, Disc Brakes, 11R22.5 Aluminum Disc Wheels. CONTACT: Taylor and Martin - 800-654-8280