CUMMINS POWERED ULTRALOFT! 2023 Peterbilt 579 Double Bunk Sleeper with only 377k Miles is now available for sale! This unit is powered by a 450hp Cummins X15 Engine and Paired with a 12 Speed Automatic Transmission. This truck is coming with a Refrigerator; TV and Microwave Prep; Air Ride Drivers Seat with Lumbar Support for Driver Comfort and much more! Air Slide 5th Wheel; Hood Mirrors; Heated Mirrors and this unit is going to come with a DOT Inspection and PM Service. Contact your local Sales Rep Today! Vehicle specifications; options; mileage; and availability are subject to change. While every effort is made to ensure accuracy all information should be verified with a sales professional prior to purchase.