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US 2 1/2-ton, 6x6 Trucks in WW II

World War II was the first war in which massive numbers of trucks completely changed the equations of mobility for warfare. The production capability of the U.S. automotive industry poured out hundreds of thousands of jeep, trucks and armored vehicles. This made it possible for the U.S. and its allies to overwhelm the Axis with men and supplies, moving forward at a rate never before possible.

A U.S. Ninth Army GMC CCKW truck, just after crossing the Rhine River, March 1945
A U.S. Ninth Army GMC CCKW truck, just after crossing the Rhine River, March 1945.

Today in WW II: 31 Jul 1941 SS Major General Reinhard Heydrich ordered by Göring to prepare "...a total solution of the Jewish question [Gesamtlösung der Judenfrage]..." in European areas controlled by Germany.   

American 2 1/2-ton, 6x6 Trucks in World War II

Particularly in Europe, where the land warfare was most suitable for mobility, the ability to maneuver and supply by truck was a decisive advantage to the Allied armies in World War II. Although the German Army had pioneered mobile warfare in the late 1930s, they never became motorized to the extent of the Allies.

Closed cab CCKW on a street in Detroit, MI, April 1943
Closed cab CCKW on a street in Detroit, MI, April 1943. Truck registration number is USA 4134998.

Although many vehicles were in use in World War II, it was the 2 1/2 ton 6x6 (the "deuce and a half" or just "deuce") that bore most of the load. There were three main trucks in this category:

These trucks had many differences in details, but had the same function, general dimensions, and external appearance. More information on each truck is provided below on this page. Photographs are available in the Military Vehicle Charts at the linked pages for the individual trucks in the list just above.

Reo US-6 2 1/2 ton 6x6 (G-630)
Reo US-6 2 1/2 ton 6x6 (G-630)

Continued on WW II 2 1/2-ton, 6x6 Trucks Page 2.

Find additional photos and hi-res versions of World War II 2 1/2-ton cargo trucks at the Olive-Drab Military Mashup:

Convoy of US vehicles bog down in the Okinawa mud, circa May 1945.  Vehicles appear to include 3/4-ton Dodge WC and GM CCKW 2 1/2-ton 6x6 cargo trucks.
Training truck drivers of the depot group by driving a GMC CCKW 2 1/2-ton 6x6 many times through an obstacle course in the woods, Air Service Command, Robins Field, Warner Robins, GA, July 1943.
German shellfire scores a near miss on a CCKW 2 1/2-ton 6x6 cargo truck, travelling on Highway 65 near Loiano, Italy, January 1945.
Mobile optical unit to make or repair spectacles in the field, staffed by one Sanitary Corps officer and six enlisted soldiers. Comprised of a 2 1/2-ton GMC CCKW truck with a 1-ton trailer, it carries optical machinery and equipment and a full assortment of lenses. All of the equipment is removable and can be set up in a tent wherever the truck happens to be operating. A generator supplies power for the apparatus.  One hundred and fifty optical units produced one-half million pairs of glasses in fiscal year 1945. The units repaired or replaced about 160,000 pairs of spectacles in the first six months following the Normandy invasion.
Rocket firing from trucks, during the fighting in the Huertgen Forest area, circa November 1944.  Trucks appear to be 2 1/2-ton 6x6 CCKW.
Approximately 2,500 vehicles recently arrived from Camp Pickett, VA, awaiting processing for shipment overseas with 45th Division when it sailed for service in Africa, Sicily, and Italy, at Hampton Roads Port of Embarkation, Newport News, VA, 24 May 1943.  Nearest trucks appear to be GMC CCKW 2 1/2-ton 6x6 used as prime movers for 105mm artillery.

Recommended Books about WW II Military Cargo Trucks

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