Chevrolet C1500 454 SS Engine 7.4-liter ... has come up with vehicles that push boundaries before, but this 6x6 pickup truck ...

During WWII, GMC provided over 1 million vehicles to the U.S. Army, including 6x6 trucks and amphibious vehicles. By 1949, the brand’s line-up offering 75 models with GVW ratings of up to 75,000 ...