Home | Specs | Shows | 2013 Images | Archive | Contact Us Truck Specifications 2013 Peterbilt 389 Low Pro Flat Top with a 63" Flat Top Sleeper 280" Wheelbase with Low Low Air Leaf Suspension 600 ISX Cummins Motor 18 speed Fuller Transmission Car Hauler front axel with air suspension 10 Alcoa 22.5" A...