Mack Defense Partners with JWF Defense Systems to Manufacture U.S. Army Heavy Dump Trucks


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ALLENTOWN, PA (May 28, 2019) – Mack Defense announced JWF Defense Systems (JWFDS) will provide the armored cab system for the M917A3 Heavy Dump Truck (HDT) contract the U.S. Army recently awarded to Mack Defense. JWFDS will be responsible for fabricating and painting the complete armored cab system, which will then be installed by Mack Defense.

“JWFDS has an excellent reputation in the industry when it comes to working with armor fabrication to support military vehicles,” said David Hartzell, president of Mack Defense. “We’re pleased to be able to partner with JWF, and we look forward to delivering reliable Mack vehicles that meet and exceed the Army’s high standards.”

Mack Defense was awarded the U.S. Army contract in May 2018 to provide up to 683 HDTs. Mack’s winning bid was based on the company’s commercially available Mack® Granite® axle forward model. A key differentiator between the commercial offering and the HDT is the latter requiring a force protection capability.


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