2018 PETERBILT, 579, Heavy Duty Trucks - Sleeper Trucks, CUMMINS X15, AMT, 2018 Peterbilt 579 Ultraloft - 1 Year Truckmaster Warranty included on Engine, Aftertreatment, Critical Components, Transmission and Differential! Cummins 450HP X15 Engine, 16 Speed Eaton Automatic Transmission, Double Bunk Sleeper! This truck has 539k 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., 450 Horse Power, Air Ride Suspension, Wheels, Wheel Base, , Axle, 2.64 Ratio, Raised Roof Sleeper, VIN