DESCRIPTION *operational CNG Wholesale unit sold AS-IS*This 2019, Peterbilt 579 CNG Day cab is powered by a 400 hp Cummins engine ISL G, Eaton-Fuller FO-16E313A-MHP transmission, and a rear axle with a 3.25 ratio, the 579 is both powerfully capable and extremely fuel efficient. Most used trucks offered by Premier Truck Group qualify for extended coverage plans and industry leading financing on approved credit. Premier Truck Group is amongst North America's largest Freightliner and Western Star retailers with 45 locations throughout the USA and Canada.