The M917A3 HDTs play a vital role in supporting construction and upkeep of airfields, roadways, landing strips, supply facilities, motor pools and in disaster relief for areas affected by severe weather
Key Highlights
- The five-year contract is valued at up to $221.8 million, supporting the production of 450 M917A3 Heavy Dump Trucks for the U.S. Army.
- Mack Defense celebrated the production of its 500th M917A3 HDT in March 2025, demonstrating manufacturing success and reliability.
- The trucks are based on the Mack Granite model and are manufactured at a dedicated facility in Allentown, Pennsylvania, leveraging local workforce and infrastructure.
- The M917A3 HDTs support critical military operations including construction, infrastructure maintenance, and disaster relief worldwide.
- This program emphasizes U.S. industrial base strength, job preservation, and ongoing collaboration with military and congressional stakeholders.
Mack Defense has been awarded a new five-year contract to continue production of the U.S. Army’s M917A3 Heavy Dump Truck for up to 450 trucks with a total contract value up to $221.8 million. This new agreement follows the successful fulfillment of the initial contract awarded in 2018 and comes after the company recently celebrated the production of its 500th M917A3 HDT in March 2025.
“This contract represents continued confidence in our ability to deliver mission-critical vehicles to the U.S. Army,” said David Hartzell, president of Mack Defense. “The M917A3 Heavy Dump Truck is a commercial-based truck modified to meet mission-critical functionality that directly supports the Army, Army Reserve and Army National Guard operations within the United States and around the world.
“This new contract award is a testament to the commitment of our team, which includes our supplier partners, as well as to the robust capabilities of this heavy tactical vehicle platform. We look forward to building and delivering more reliable, high-performance trucks that meet the demanding needs of our soldiers.”…