<P> In 2014 Mack offers three engine series, the 11 L MP 7, 13 L MP8, and 16 L MP10, with 325 hp (242 kW) to 605 hp (451 kW) and 1,200 lb ft (1,627 N m) to 2,060 lb ft (2,793 N m). </P> <P> Mack also produced railroad cars and locomotives between 1905 and 1930 . </P> <P> The company's trademark is the bulldog, which can be found on the front of almost all Mack trucks . A gold - plated bulldog indicates the truck was made with a Mack produced drive train of engine, transmission and drive axles . A chrome bulldog indicates other manufacturers' components were used . </P> <P> Mack trucks earned their nickname during World War I, when the British government purchased the Mack AC for supplying its front lines . Its pugnacious, blunt - nosed hood, tenacious performance, and durability, reminded the soldiers of their country's mascot, the British Bulldog . </P>

What kind of dog is the mack truck mascot