The 2+1⁄2-ton, 6×6 truck was a standard class of medium-duty trucks, designed at the beginning of World War II for the US Armed Forces, in service for over half a century, from 1940 into the 1990s, The basic cargo versions were designed to transport a cargo load of nominally 2+1⁄2 short tons (5,000 lb; 2.3 t) over all terrain, in all weather. The 2+1⁄2-ton trucks were used ubiquitously in World War II and continued to be the U.S. standard medium-duty truck class after the war, including wide usage in the Korean and Vietnam Wars, as well as the first Gulf War.

Type: Medium-duty trucks
Manufacturer: GMC
Place of origin United States