ALLENTOWN, PA (March 24, 2025) – MackDefense celebrated the production of its 500th M917A3 Heavy Dump Truck (HDT) in Allentown, Pennsylvania. The HDT, based off the commercially available Mack® Granite®, is part of the previously announced firm-fixed price $296 million contract over seven years that the U.S. Army awarded Mack Defense in 2018, which allows […]