View 17 Photos View 0 Videos 2021 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 450HP, 12 Speed Endurant Amt Newly Listed $54,900 USD Low mileage, small flat top 579 with Cummins. Has small sleeper when needed. Lease maintaned. Ready to go, ConditionUsedUsage10,367 HoursDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed Endurant AutomatedSleeper TypeFlat Top SleeperSleeper Size44"SuspensionLow AirRear AxleTandem AxleRear End40,000 lb 2.93 ratioStock Number231290 MLS Number14088032CategorySleeper Semi Trucks Last Updated1/17/2026 LocationButler, PA, US Sold ByHunter Truck (724) 648-___ SHOWNUMBERCall Seller Email Seller Save More Info