Mack is one of the most popular semi-truck brands in America. With models like the Mack Anthem and Mack Granite, the company has helped define trucking life in the States since the early 1900s.

It's so gargantuan and so specialized that Mack built just three of ... built as an off-highway dump truck, though it later ...

It’s so gargantuan and so specialized that Mack built just three of ... built as an off-highway dump truck, though it later was converted to a towing tractor with its own specialized trailer.