26 0 2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, Automatic $39,900 USD PRICED TO SELL! This Fleet Maintained Day Cab is powered by a Cummins X15 Motor; an Automatic Transmission; a FULL PM Service including all filters changed; a DOT Inspection; a DPF... ConditionUsedUsage574,080 MilesDuty ClassHeavy Duty Day Cab TruckHorse Power400 HPEngine ModelCummins X15TransmissionAutomaticSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.79 ratioStock Number8679748 MLS Number13393220CategoryDay Cab Semi Trucks Last Updated12/5/2025 LocationWyoming, MI, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info