The GMC CCKW, also known as "Jimmy", or the G-508 by its Ordnance Supply Catalog number, [a] was a highly successful series of off-road capable, 2 1⁄2 -ton, 6×6 trucks, built in large numbers to a standardized design (from 1941 to 1945) for the U.S. Army, that saw heavy service, predominantly as cargo trucks, in both World War II and the Korean ...

The CCKW came in many variants, including open or closed cab, long wheelbase (LWB) CCKW-353 and short (SWB) CCKW-352, and over a score of specialized models, but the bulk were standard, general purpose, cargo models.

Feb 6, 2024 · Despite a large number of variants being built from the CCKW, they were built upon two main types: the long wheelbase (LWB) 353, and the short wheelbase (SWB) 352. A GMC CCKW 353 with a closed cab and winch. The GMC CCKW was a simple machine, with a cargo bed at the rear, a cab in the middle, and the engine at the front.

Jun 27, 2011 · The GMC CCKW was 2½-ton 6×6 U.S. Army cargo truck that saw heavy service in both World War II and the Korean War. The original “Deuce and a Half”, it formed the backbone of the famed Red Ball Express that kept Allied armies supplied as they pushed eastward after the Normandy invasion.

Tech information about CCKW driveline issues. GMC 270 to 302 conversion. Great article by Steve Keith about converting the original CCKW to a larger GM engine. Another Great article by Steve Keith on how to convert your 6 volt CCKW to 12 Volts. Another informative article about Alternators versus Generators in your CCKW.

Jan 7, 2005 · CCKW ' s were eqipped with all kinds of body types. Most common were the standard cargo body with tarpaulin with short wheel base (type 352) or long wheel base (type 353), 353-variants such as fuel tankers, water tankers and tippers.

CCKW development began in 1939 when the US Army Quartermaster Corps issued specifications for a gasoline powered, all-wheel-drive truck with a two-and-a-half ton hauling capacity. The Army specified this size because they felt this was as big as they could go and still have the truck fit on Navy ships and also be well suited for mass production.

Apr 24, 2017 · The short-wheelbase version was the GMC model CCKW-352, and the long wheelbase truck was known as the CCKW-353. The CCKW-353 was intended as a general-purpose cargo truck and personnel transport, while the CCKW-352 was built as a prime mover for the Field Artillery, towing 75mm and 105mm weapons.

CCKW Variants. Pictured on these pages are many of the Variants that the CCKW was made in. Please click on the buttons on the left to see those pictures.

Dec 11, 2017 · The GMC CCKW is a 2.5 ton 6X6 U.S. Army cargo truck that saw service in World War II and the Korean War, often referred to as a “Deuce and a Half” or “Jimmy”. The CCKW came in many variants, based on the open or closed cab, and Long Wheel Base (LWB 353) or Short Wheel Base (SWB 352).