FOR SALE 2022 Peterbilt 579 UltraLoft – Cummins X15 / 12 Speed Endurant – 80” Sleeper Sharp, fleet-maintained 2022 Peterbilt 579 UltraLoft built for fuel efficiency, driver comfort, and long-haul reliability. This truck is powered by a Cummins X15 rated at 400 horsepower and paired with a Fuller 12-Speed Endurant automated transmission, model EEO-17F112C12. The powertrain delivers smooth shifting, efficient performance, and proven durability for over-the-road applications. The odometer shows approximately 391,000 miles. This truck is equipped with a 12,500 lb front axle and Meritor 40,000 lb tandem rear axles with a 2.79 rear ratio riding on Flex Air suspension. The configuration provides an excellent balance of fuel economy and highway performance while maintaining solid pulling power when needed. It carries a 50,000 lb GVWR, a 235-inch wheelbase, and a 123-inch BBC. A Jost JSK37 fifth wheel is installed, and the truck rides on 22.5 low-profile tires with aluminum front wheels in a tandem axle configuration. The exterior features the clean aerodynamic 579 design with integrated roof and side fairings engineered for maximum fuel efficiency. The UltraLoft sleeper provides exceptional interior height and storage capacity while maintaining a streamlined profile. The frame rails and fifth wheel area present clean and straight. Tires show strong tread across positions, and the truck reflects consistent fleet maintenance. Inside, the 80-inch UltraLoft sleeper with the Premier interior package offers a comfortable and functional environment for long-haul drivers. The cab includes a large digital driver display, multi-function steering wheel, factory infotainment system, climate control system, and abundant overhead storage. The sleeper is equipped with double bunks, premium cabinetry, wardrobe storage, integrated refrigerator space, interior power outlets, and organized storage compartments throughout. The UltraLoft layout provides outstanding headroom and one of the most spacious sleeper designs in its class. This is a well-balanced, fuel-efficient late-model aerodynamic truck ideal for fleets or owner-operators looking for reliable, modern equipment. Financing options available | Trades welcome Location Rush Truck Center Tulsa