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Mack Defense

The U.S. Army has placed an additional order for 115 heavy dump trucks from Mack Defense as part of the U.S. Army’s M917A3 HDT program for the National Guard. PHOTO/MACK DEFENSE
Jul 14, 2026

U.S. Army orders 115 new heavy dump trucks from Mack Defense

Mack Defense received a U.S. Army order for 115 heavy dump trucks, supporting military infrastructure and disaster relief from its Allentown facility.

Jun 22, 2026

Mack Defense receives $47M in federal funding

Mack Defense in Allentown received $47 million in federal funding to continue building the M917A3 heavy dump truck for the U.S. military.

Mack Defense announced it has received an initial order for 86 M917A3 Heavy Dump Trucks (HDTs) from the U.S. Army as part of a new five-year contract. PHOTO/MACK
Feb 6, 2026

Mack Defense receiving $47M in federal funding

Mack Defense will receive $47 million in federal funding to build M917A3 heavy dump trucks, supporting continued operations at its Allentown facility.

Mack Defense announced it has received an initial order for 86 M917A3 Heavy Dump Trucks (HDTs) from the U.S. Army as part of a new five-year contract. PHOTO/MACK
Oct 7, 2025

Mack Defense gets first truck order under new $221.8M Army contract

Mack Defense announced it has received an initial order for 86 M917A3 Heavy Dump Trucks (HDTs) from the U.S. Army as part of a new five-year contract.

Aug 15, 2025

Mack Defense awarded new $221M contract from U.S. Navy

Mack Defense secured a $221.8M contract to produce up to 450 M917A3 Heavy Dump Trucks for the U.S. Army, supporting missions worldwide.

Following the initial development contract awarded last year, Mack Defense today announced the production of two prototype vehicles for the next phase in the Medium Tactical Truck (MTT) program with the U.S. Marine Corps. PHOTO/MACK DEFENSE
May 19, 2025

Mack Defense to build MTT prototypes for Marine Corps

Mack Defense secures contract to develop MTT prototypes for the Marine Corps, featuring hybrid-electric tech and advanced safety systems.

Mar 27, 2025

Mack Defense celebrates 500th Heavy Dump Truck

Mack Defense recently celebrated a major milestone at its Lehigh Valley manufacturing facility. 

Mar 15, 2024

Mack Defense receives 12-month Marine Corps contract

Mack Defense said the U.S. Marine Corps awarded it a 12-month contract for the initial development of a new Medium Tactical Truck (MTT) fleet.  

Aug 23, 2023

U.S. Army orders another 135 Mack Defense Heavy Dump Trucks

Mack Defense announced Wednesday that the U.S. military has ordered an additional 135 Mack Defense Heavy Dump Trucks. 

Mack Defense has been chosen to build three prototypes for the U.S. Army’s Common Tactical Truck (CTT) Program. PHOTO/COURTESY MACK TRUCK
Feb 1, 2023

Mack Defense competing for $5.1B U.S. Army contract

Mack Defense has been awarded a three-prototype truck contract that could lead to a more extensive contract worth more than $5.1 billion. 

Aug 16, 2022

U.S. Army orders another 144 trucks from Mack

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

Feb 22, 2022

Mack Defense partners with armor manufacturer for defense contract

Mack Defense of Allentown said it has partnered with TenCate Advanced Armor USA to provide a force protection system for the Mack Granit-based M917A3 Heavy Dump Truck (HDT) and other Mack Defense vehicle platforms.