Mack Brothers Company registered the ‘MACK’ bulldog trademark

Tuesday 4th January 1921

Mack Brothers Company registered the ‘MACK’ bulldog trademark. A Mack truck with a gold-plated bulldog indicates that the truck was made with Mack Produced Engine, Transmission and Drive Axles. Trucks made with any other manufacturers drivetrain came with a chrome bulldog. Mack trucks earned this nickname in 1917, during World War I, when the British government purchased the Mack AC model to supply its front lines with troops, food and equipment. British soldiers dubbed the truck the “Bulldog Mack”, because they said it had “the tenacity of a bulldog.” Its pugnacious, blunt-nosed hood, coupled with its incredible durability, reminded the soldiers of the tenacious qualities of their country’s mascot, the British Bulldog. The logo was first used in 1921 for the AB chain drive models and made the official corporate logo in 1922.

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