View 28 Photos View 0 Videos 2020 Peterbilt 579 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 12 Speed Automatic Recently Updated $65,000 USD Used 2020 Peterbilt 579 Sleeper Semi Truck for sale, 421,177 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage421,178 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins X15Transmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.79 ratioStock Number719092 MLS Number14523026CategorySleeper Semi Trucks Last Updated8/12/2026 LocationLa Vergne, TN, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info