Today in WW II: 13 Dec 1937 Nanking, China surrenders beginning the Rape of Nanking.  More 
13 Dec 1941 Hungary and Bulgaria declare war on United States.
13 Dec 1944 American forces take the towns of Gey and Strass, bringing US troops to the Roer River, ending the intense phase of the battle of the Hürtgen Forest.
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Federal 94x43 Tractor, 4 to 5-ton, 4x4 (G-513)

The Federal 94x43 Tractor, 4 to 5-ton, 4x4 (G-513) was produced for the U.S. Army in during World War II as a line haul tractor. It was also used as the tractor for Signal Corps vans, known as the K-32 in that role. Federal built 8,119 of the 94x43 model trucks.

The Federal 94x43A was based on commercial tooling, with an enclosed metal cab. The Federal 94x43B and 94x43C were military models with an open cab, canvas top. Some units were equipped with machine gun ring mounts for antiaircraft defense.

The Federal 94x43 was powered by the Hercules RXC 529 cu. in., 112hp 6cyl gasoline engine. It had a maximum towed load capacity of 30,000 lbs.

See also, the functionally equivalent Autocar U-7144-T Tractor (G-510).

Federal 94x43A Tractor, 5-ton, 4x4 (G-513).  Photo taken 18 March 1941
Federal 94x43A Tractor, 5-ton, 4x4 (G-513). Photo taken 18 March 1941.

Federal 94x43A Tractor, 5-ton, 4x4 (G-513) with semi-trailer
Federal 94x43A Tractor, 5-ton, 4x4 (G-513) with semi-trailer.