View 3 Photos View 0 Videos 2018 Peterbilt 579 Sleeper Semi Truck - 80" Unibilt High Roof, Cummins 500HP At auction Jun. 25 2018 PETERBILT 579 UltraCab Conventional, 80 Inch Unibilt High Roof Sleeper, Upper Bunk, Cummins X15 Engine, 500 H.P., Engine Brake, RTLO-18918B Transmission, (Manual), 40,000 Lb. Rear Ends,... ConditionUsedDuty ClassHeavy Duty Sleeper Semi TruckHorse Power500 HPEngine ModelCummins X15Sleeper Size80"SuspensionAir RideRear End40,000 lb 3.42 ratio MLS Number14412273CategorySleeper Semi Trucks Last Updated6/8/2026 LocationSouth Sioux City, NE, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info