Lower Macungie Township is home to the primary manufacturing facilities of Mack Trucks.
Mack Brown | Derek Trucks | Mack Sennett | DAF Trucks | Connie Mack | Mack the Knife | Ted Mack | Toni Trucks | Mack Trucks | Mack Rhoades | Mack 10 | Mack | Lonnie Mack | Volvo Trucks | Reinhold Mack | Mack Reynolds | Mack Harrell | Leyland Trucks | Connie Mack (baseball) | Virgil Trucks | Tedeschi Trucks Band | Renault Trucks | Lee Mack | Freightliner Trucks | Connie Mack III | Bigfoot Presents: Meteor and the Mighty Monster Trucks | Yusaf Mack | We Rode in Trucks | Robert "Mack" McCormick | Mack Gordon |
Vultee Aircraft and Consolidated Aircraft announced that Consolidated Vultee (later known as Convair) would lease Mack Truck's Plant 5C for production of the Consolidated Vultee TBY-2 Sea Wolf Torpedo Plane for the United States Navy.
Center caps that are found on trucks are "baby moon" center caps, that originated on Mack Trucks and are most popular and commonly found on Freightliner Trucks.
Plant 5C was returned to Mack Trucks and the remainder of the facility was declared surplus by the War Assets Administration.