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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: 18 Sep 1939 Parse error: syntax error, unexpected T_NS_SEPARATOR in /big/dom/xolive_drab/www/od2/od2_support_functions.php(242) : eval()'d code on line 1.  More 
18 Sep 1943 US Army, Marine, and New Zealand troops land on Vella Lavella, fifteen miles northwest of Kolombangara, between New Georgia and Bougainville, Central Solomons.
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

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:

1st Army Engineers operate a mobile stone crusher in Carentan, Normandy, circa July 1944.  Being filled with stone, a GMC CCKW-353 (164 inch wheelbase) 2 1/2-ton 6x6 Dump Truck.
Australian soldiers driving trucks on patrol in the jungles of New Guinea during World War II, circa 1944.  The trucks were supplied by United States military.  Lead truck appears to be GMC CCKW 2 1/2-ton 6x6, second truck unknown, and a bulldozer is in the far rear.
Using a Tandem Hitch, introduced in 1944, two MB / GPW jeeps can be hooked together to do the job formerly the exclusive business of the 2 1/2-ton truck.  Here the hitch is shown in its stowed position. It was intended for artillery units, to tow the 105mm howitzer, or any such tow normally outside the range of a jeep. It could also be used to tow a jeep for recovery.
A US Army GMC CCKW 2 1/2-ton 4x4 truck in a European village, circa April-May 1945.
GMC 2 1/2-ton 6x6 CCKW long wheel base cargo truck equipped with a Number 7 wrecker set frame and pulley, and a front-mounted winch, Holabird Quartermaster Depot, Baltimore, MD, 10 December 1941.
Engineers unload barbed wire from a CCKW 2 1/2-ton 6x6 truck, for perimeter defenses, Battle of the Bulge, December 1944.

Recommended Books about WW II Military Cargo Trucks

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