2019 PETERBILT, 579, Heavy Duty Trucks - Sleeper Trucks, PACCAR MX-13, AMT, 2019 Peterbilt 579 Ultraloft This is a very nice Fleet Maintained 80 Ultraloft Sleeper! 455hp Paccar MX-13 Engine, 12 Speed Automatic Transmission, High Rise Sleeper! This truck has 506k miles. This truck has been serviced and DOT Inspected. Call, text or message Steven at (6.1.6.) 6.0.0.-2.6.8.2., 455 Horse Power, Air Ride Suspension, Wheels, Wheel Base, , Axle, Ratio, Raised Roof Sleeper, VIN