2022 PETERBILT, 579, Heavy Duty Trucks - Sleeper Trucks, PACCAR MX-13, AMT, 2022 Peterbilt 579 1 YEAR OF FACTORY WARRANTY REMAINING! ENGINE UP TO 500K MILES, AFTERTREATMENT TO 500K MILES! 455 HP Paccar MX-13 Engine, Paccar 12 Speed Automatic Transmission. Only 375K Miles and only 9k hours. Call, text or email Steven at (6.1.6.) 6.0.0. - 2.6.8.2., 455 Horse Power, Air Ride Suspension, Aluminum Wheels, 235 Wheel Base, , Axle, 2.64 Ratio, Mid Roof Sleeper, VIN