Mack Defense In-Service Support Contract Extended for Canadian Medium Support Vehicle System (MSVS) Program


ALLENTOWN, PA (July 13, 2020) – Public Services and Procurement Canada (PSPC) has exercised the option to extend Mack Defense’s in-service and support contract for an additional five years from 2020-2025, covering more than 1,500 Medium Support Vehicle System (MSVS) Standard Military Pattern (SMP) vehicles.

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Mack Defense Headquarters Relocates To The Mack Customer Center


ALLENTOWN, PA (June 25, 2020) – To better serve customers, as well as enhance its capability to support military and government contracts, Mack Defense has relocated its headquarters to the Mack Customer Center (MCC) located in Allentown, Pennsylvania. The move, which was recently completed, also provides Mack Defense additional working space and access to other MCC amenities.

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David C. Hartzell appointed President and CEO of Mack Defense

David Hartzell

Effective January 1, 2018, the Board of Mack Defense appointed David C. Hartzell, Sr. as President of Mack Defense, a position he has filled on an interim basis since September. As Mack Defense is a subsidiary of Mack Trucks, Inc., David will coordinate with Govi Kannan, who will provide administrative support and ensure the availability of Mack products to Mack Defense customers.

David joined Mack Defense as Director of Engineering in 2015, and, before becoming interim President, served as Senior Director of Product Development, Purchasing and Projects. Prior to that, he spent 23 years with Mack and brings a wealth of technical and operational experience that will help facilitate the realignment of Mack Defense with Mack Trucks following its separation from Volvo’s Governmental Sales Division.

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