2019 Peterbilt 579 – Here is a 1 owner fleet maintained Peterbilt 579! This truck is sweet! She is very clean and drives great! Cummins X-15 450HP Engine, 12 Speed Automatic Transmission, Mid-Roof Sleeper! 408k Miles! This truck has been serviced and DOT Inspected! Call, text or email Steven at 616-600-2682