GMC CCKW (covered)The GMC CCKW (covered) truck, commonly known as the "Deuce and a Half," was a 2. 5 ton 6x6 military cargo truck used extensively by the U. S. and Allied forces during World War II. The covered variant featured a canvas top over the cargo area, providing protection for troops and supplies against the elements. Renowned for its durability and versatility, it played a crucial role in transporting personnel, equipment, and supplies across various theaters