2015 PETERBILT 579 Conventional, ISX 450ST Cummins Engine EGR & DPF Deleted, Engine Brake, 10 Speed Transmission, 40,000 Lb. Rear Ends, Full Screw, 3.36 Ratio, Air Ride Suspension, 70 Inch High-Rise Walk-In Sleeper, Power Invertor, Shore Power, Air Conditioned, Cruise Control, Hydraulic Power Steering, Engine Heater, Air Fairing, Exterior Visor, Heated Power Mirrors, Premium Interior, Dual High Back Air Ride Seats, Telescopic Tilt Wheel, Power Door Locks, Power Windows, Thermo King Evolution Auxiliary Power Unit, Fuel Tank Fairings, Side Extenders, Single Chrome Stack, Dual Aluminum Fuel Tanks, Auxiliary Bunk Heater, Stainless Steel Quarter Fenders, Adjustable 5th, 242 Inch Wheel Base, 22.5 Low Profile Tires, Disc Wheels, Aluminum Front & Outside Rear