This week we’re on the road again, as Mack Defense recently invited us out to experience the delivery of the first production M917A3 Heavy Dump Trucks, or HDTs, to the U.S. Army and the U.S. Army Reserve. They were the first to roll off the company’s new production line at the Mack Experience Center in … Continue reading Mack Defense reveals M917A3 Heavy Dump Trucks for U.S. Army use