Chevrolet G506
The G-506 trucks, 1+1⁄2-ton, 4x4, produced as the Chevrolet G7100 (and originally G4100) models, were a series of (light) medium four wheel drive trucks used by the United States Army and its allies during and after World War II. This series came in standard cargo, as well as many specialist type bodies. == History == The G506 was a United States Army Ordnance Corps supply catalog designation for the 1+1⁄2-ton, 4X4, truck chassis built in large numbers by the Chevrolet Motor Division of GM. Their official model numbers were initially the "G4100", and later the "G7100" series.