June 25, 2021 5:45 PM, EDT

Mack Opens Dedicated Production Line for Army Truck

Mack Defense HDTThe Mack Defense HDT is based on the civilian Mack Granite model. (Mack Trucks)

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Mack Defense, a unit of Mack Trucks, announced it is now producing heavy dump trucks at the Mack Experience Center, after a $6.5 million investment to create a dedicated production line at the facility in Allentown, Pa.

The investment will help fulfill the Mack Defense M917A3 contract with the U.S. Army, as well as allow the production of other vehicle variants, according to Greensboro, N.C.-based Mack, a unit of Volvo Group.

David Hartzell


Previously, nonarmored HDT vehicles started production at Lehigh Valley Operations, where all Mack Truck Class 8 vehicles for North America and export are assembled. The HDT vehicle was then transported to the Mack Experience Center, where final assembly including the dump body was added.

“The investment to create a dedicated HDT product line at the Mack Experience Center will increase production efficiencies,” Mack Defense President David Hartzell said in a release.

The HDT is based on the civilian Mack Granite model, one of the top-selling vocational trucks in North America, the company reported. The M917A3 HDT was spec’d with features including heavier-duty rear axles, all-wheel drive and increased suspension ride height to meet the Army’s needs.

Initial deliveries of the Mack Defense M917A3 HDT began in May. — Transport Topics

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