For Sale: 2021 Peterbilt 579 Day Cab – Cummins X15 Power, Clean and Ready to Work
This 2021 Peterbilt 579 Day Cab delivers a strong combination of performance, efficiency, and reliability. Powered by a Cummins X15 engine producing 400 HP and paired with an Eaton Fuller 12-Speed Endurant automated transmission, this truck is built for linehaul, regional, or heavy-duty applications.
With a 52,000 lb GVWR and a 2.79 rear axle ratio, it’s optimized for both pulling power and fuel economy. The truck is equipped with an AirSlide fifth wheel, making trailer connections quick and easy.
Key Specs:
Engine: Cummins X15 – 400 HP
Transmission: Eaton Fuller 12-Speed Endurant Automated
Cab: Day Cab
GVWR: 52,000 lbs
Wheelbase: 186"
Fifth Wheel: AirSlide
Rear Axle Ratio: 2.79
Mileage: 554,289 miles
Stock #: 1418225
Fleet-maintained and clean inside and out, this truck is ready for immediate service. Whether for regional hauls or local freight, it offers the durability and efficiency you expect from Peterbilt.
Call today for pricing, availability, and financing options!
*Price does not include state and local taxes; tags; registration or title fees; dealer-imposed fees, including document preparation, processing or servicing fees, or any optional equipment or upfitting work selected by buyer. Valid while supplies last. Images shown may not reflect actual vehicle. **The information provided by this calculator is for illustrative purposes only and does not constitute a request for specific credit terms or an offer of credit. APRs and terms used in estimates may not be applicable based on vehicle and state of purchase.