Mack is one of the most popular semi-truck brands in America. With models like the Mack Anthem and Mack Granite, the company has helped define trucking life in the States since the early 1900s.

The first Mack Defense M917A3 Heavy Dump Trucks (HDTs) were delivered to the US Army in September 2020 after an order was placed in 2018. The US Army has ordered another 103 Mack Defense M917A3 HDTs, ...

The HDTs play a role in construction and upkeep of infrastructure assets. The additional vehicles are part of the previously announced firm-fixed price $296 million contract over seven years that the ...