Mack officials made the announcement and displayed the truck at the company’s World Sales Conference, being held at the new Mack Customer Center here this week. The MACK® TerraPro™ Cabover model is now available with heavy-duty natural gas engines supplied by Cummins Westport. The 9-liter Cummins Westport ISL G is rated at 320 hp, can use compressed (CNG) or liquefied natural gas (LNG), and has a three-way catalyst to meet EPA 2010 emissions standards.
Natural gas powered Mack TerraPro
