2020 PETERBILT, 579, Heavy Duty Trucks - Sleeper Trucks, PACCAR MX-13, AMT, 2020 Peterbilt 579 Ultraloft 1 Owner Fleet Maintained! Only 9,600 Engine Hours! Remaining 7 Year/700K Mile Major Engine Components Warranty and 10 Year/450K Emissions Major Components Warranty! Paccar MX-13 455HP Engine, Paccar 12 Speed Automatic Transmission! Only 412k Miles! This Truck Has Been Serviced and DOT Inspected. Call, text or email Steven at (616) - 6 . 0 .0 . - 2 . 6 . 8 . 2, 455 Horse Power, Air Ride Suspension, Wheels, Wheel Base, , Axle, Ratio, Raised Roof Sleeper, VIN