Sharp! This 2020 Peterbilt 579 Day Cab is Powered by a Strong 455hp MX13 Engine and paired with Paccars very own 12 Speed Automatic Transmission; Heated Mirrors; Hill Start Assist; Air Slide 5th Wheel; Air Ride Drivers Seat and will be coming with a DOT Inspection as well as a PM Service. Contact your local Sales Rep Today to Schedule a Test Drive! Vehicle specifications; options; mileage; and availability are subject to change. While every effort is made to ensure accuracy all information should be verified with a sales professional prior to purchase.