Mile Marker 19 – Building Military-Ready Trucks with David Hartzell

In this episode of Beyond the Bulldog, we sit down with David Hartzell, President & CEO of Mack Defense. With a career spanning decades at Mack Trucks, David brings his engineering expertise and leadership to the front lines of defense, delivering mission-ready vehicles that keep troops safe at home and abroad. David discusses: -The history of Mack’s role in supporting the U.S. military for over 100 years -How Mack Defense adapts rugged commercial platforms like the Granite into military-spec vehicles -The unique engineering challenges of armoring, off-road capability, and survivability in combat zones -Why Mack Defense exists as a separate entity and the security clearances required to serve military customers With passion and pride, David shows how Mack Defense carries forward the bulldog spirit—ensuring every vehicle is built to protect those who serve. What's Next? Visit the Mack Defense website: https://mackdefense.com/ Visit the Mack Shop to use your discount code: https://mackshop.com/ Book a virtual truck tour! https://www.macktrucks.com/live-tour/