2022 Peterbilt 579 – Cummins X15 – 450 HP – 12-Speed – Raised Roof Sleeper Clean and well-maintained 2022 Peterbilt 579 powered by the Cummins X15 engine rated at 450 HP and paired with a smooth 12-speed automated transmission. This truck features a Raised Roof sleeper, 2.79 rear axle ratio, and delivers a strong balance of performance and fuel efficiency. With 365,000 miles, it is road-ready and ideal for fleet or owner-operator use. Finished in White. Stock #: SA4115 VIN: 1XPBD49X5ND814115 Engine: Cummins X15 Horsepower: 450 HP Transmission: 12-Speed Automated Sleeper: Raised Roof Axle Config: 2 Rear Axle Ratio: 2.79 Tires/Wheels: 22.5" Mileage: 365,000 miles Color: White Reliable, driver-friendly Peterbilt 579 built for comfort and long-haul performance. Ready to work.