NEW 2026 Peterbilt 579! 58" High Roof. 18-speed Manual, Paccar MX13, Eaton-Fuller Transmission, LAL Suspension, 510 HP, 1850 Torque, 235 WB, 3.36 Ratio. Rear Axle Weight 40,000. Front Axle Weight 12,500. Left Fuel 100, Right Fuel 120. This truck can be purchased through any of our GTG Peterbilt dealer locations: Cedar Rapids IA, Davenport IA, Quincy IL, Great Bend KS, or Wichita KS. Please feel free to contact a salesperson at your desired location for additional information and viewing opportunities!