The Willys MB may be the most iconic light military vehicle, but when it comes to heavy-duty trucks, the GMC CCKW takes the spotlight. Also known as the G-508 or "Jimmy," the CCKW was built from ...

A GMC DUKW 353 military vehicle ... Commonly known as the Duck, the DUKW 353 was an amphibious version of the 2.5-ton, six-wheel-drive CCKW truck. It was used by the U.S. Army and U.S. Marine ...

(Two out three ain't bad.) 2. During World War II, GMC built about 584,000 military vehicles, including the CCKW-353 “Deuce-and-a-Half” and the amphibious “Duck.” GMC played a vital role ...