2007 Peterbilt 379. CAT C15 Converted To Single Turbo. 10 Speed Transmission. Only 682,000 Original Miles. 40,000LB Rears. Air Trac Suspension. Loaded Interior. Leather Driver Seat. Gauge Package. Air Slide Fifth Wheel. 11R24.5 Tires. Aluminum Headache Rack. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Peterbilt 379