Clean. Fleet-Maintained. Ready to Work. Available now in Oklahoma City. This 2021 Peterbilt 579 Ultraloft is equipped with the reliable PACCAR MX-13 engine delivering 455 HP and 1650 lb-ft of torque, paired with the PACCAR PO-16F112C12 12-speed automated transmission for smooth, fuel-efficient performance. It features a spacious 80" Ultraloft sleeper with the Premier interior package, designed for comfort on long hauls. The interior offers ample storage, premium finishes, and driver-focused ergonomics throughout. This unit is factory spec’ed with Bendix Wingman Fusion collision mitigation, full air disc brakes, lane departure warning, blindspot detection, and stability control - safety and performance you can count on. Riding on Peterbilt’s Low Air Leaf suspension with a 2.64 rear axle ratio, this truck is optimized for linehaul and regional applications. Key Specs: *455 HP PACCAR MX-13 *12-Speed Automated Transmission (PO-16F112C12) *2.64 Ratio Rear Axles *80" Ultraloft Sleeper – Premier Interior *Bendix Wingman Fusion Safety Suite *Air Disc Brakes Front and Rear *Dual 100 Gallon Fuel Tanks *Aluminum Wheels with 22.5 LP Tires Clean and fully DOT inspected. Delivery options available. for qualified buyers. Contact Rush Truck Centers - Oklahoma City today for more information or to schedule a walkaround.