View 12 Photos View 1 Video 2021 Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic Newly Listed $57,900 USD 2021 Peterbilt 579 Tandem Axle Day Cab, Cummins X15 450HP Engine, Automatic 12 Spd Eaton EEO-17F112C Transmission, Air Ride Suspension, 53,200 GVW, 13,200# MFS-13 Front Axle, 40,000# Meritor... ConditionUsedUsage9,354 HoursDuty ClassHeavy Duty Day Cab TruckHorse Power450 HPEngine ModelCummins X12Drivetrain6x4Transmission12 Speed AutomaticSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.25 ratioStock Number21PB009 MLS Number14120247CategoryDay Cab Semi Trucks Last Updated1/31/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info