The HDTs are a component in construction and maintenance missions for infrastructure assets, such as airfields, roadways, landing strips, supply facilities, and motor pools.  -  Photo: Mack Defense

The HDTs are a component in construction and maintenance missions for infrastructure assets, such as airfields, roadways, landing strips, supply facilities, and motor pools.

Photo: Mack Defense

Mack Defense announced that the U.S. Army and the U.S. Army Reserve have ordered an additional 144 Mack Defense M917A3 Heavy Dump Trucks (HDTs).

The additional vehicles, based on the commercially available Mack Granite model, are part of the previously announced firm-fixed price $296 million contract to be fulfilled over seven years that the Army awarded Mack Defense in 2018. The HDTs are a component in construction and maintenance missions for infrastructure assets, such as airfields, roadways, landing strips, supply facilities, and motor pools.

“We are proud to maintain our production operation which was created for the U.S. Army M917A3 HDT program, and we are extremely proud that our Mack Defense HDT vehicles, which have been fielded, are meeting and exceeding expectations,” said David Hartzell, president of Mack Defense. “Mack Defense remains committed to producing vehicles for the U.S. armed forces based on modified versions of our industry-leading Mack vehicles providing the latest technologies and best value while meeting the military’s demanding requirements.”

The Army previously had ordered 155 HDTs, which are spec’d with heavier-duty rear axles, all-wheel drive, increased suspension ride height and other ruggedized features to meet the requirements of the Army. Those HDT vehicles have all been built, and final deliveries will continue through August 2022.

Production of the HDTs at the MEC began in Q1 2021, following an investment of $6.5 million to create a dedicated HDT production line at the facility. The production line helps fulfill the M917A3 contract, while allowing Mack Defense to produce other vehicle variants.

Originally posted on Work Truck Online

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