2026 Peterbilt 579 Tractor with UltraLoft Sleeper Truck PURPLE One Eyed, One Horned Flying Purple People Eater! This Rig ain't no mean monster, she's a real queen of the highway! The 2026 Peterbilt Model 579 UltraLoft combines aerodynamics and styling to deliver outstanding performance and efficiency for cost-conscious operators. Powered by a Cummins X-15 Efficiency Series Engine with 500 HP 1850 Torque and backed up by an Eaton Endurant 12 Speed Automated transmission, this truck provides ease of operation and less driver fatigue. Smooth riding Low Air Leaf Rear Suspension and Taper Leaf Front Suspension. A spacious 80" high rise Premier level double bunk sleeper featuring the Peterbilt Thermal Insulation package. Includes storage space with cabinets and pocket shelves everywhere you turn. Plenty of power sources and a refrigerator to keep the goods cold. Peterbilt Premium LX series Leather high back, air ride seats for great comfort and durability. All New Navigation Screen with Integrated Apple CarPlay! Switches fill the dash along with PTO prep switch. Tilt and telescope steering column, power windows and locks, SIRIUS/XM satellite radio matched with Full 6 Speaker Package with an amplifier and subwoofer. Call or come by Rush Truck Center – Dallas, TX and let one of our sales professionals tell you about any of our Model 579 UltraLofts in inventory as well as the great financing options currently available. Delivery available.