The 6-ton, 6×6 Truck (G512, 514, 547, 569) was a family of heavy tactical trucks built for the United States Armed Forces during World War II. The basic cargo version was designed to transport a 6-ton (12,000 lb (5,400 kg)) load over all terrain in all weather. The chassis was built by Brockway Motor Company, The Corbitt Company, The Four Wheel Drive Auto Company (FWD), Ward LaFrance Truck