Today in WW II: 20 Jan 1942 Wannsee Conference: In a Berlin suburb, Nazi leaders meet to plan the Final Solution, the extermination of all Jews in German occupied territories, Reinhard Heydrich in charge.  More 
20 Jan 1945 Hungary signs armistice with Allies.
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US Military WW II M-5H-6 International Harvester 2 1/2 Ton 6x6 Cargo Truck (G-651)

More information about the M-5H-6 International Harvester Cargo Truck is found on the linked page.

Find additional photos and hi-res versions of the IH M-5H-6 2 1/2-ton 6x6 truck at the Olive-Drab Military Mashup.

Military trucks produced by International Harvester in the World War II era used a three part model number: M for Military, a second number indicating how many half-tons of off-road capacity, and a third number indicating the number of driven wheels. Example: M-2-4 is a one-ton model, 4x4. In some cases, an additional letter was inserted to further specify the model.

IH M-5H-6 Photo Gallery

M-5H-6 International Harvester 2 1/2 Ton 6x6 Cargo Truck (G-651)
M-5H-6 International Harvester 2 1/2 Ton 6x6 Cargo Truck (G-651) with 9 foot bed. Two piece windshield is unusual.

M-5H-6 International Harvester 2 1/2 Ton 6x6 Cargo Truck (G-651)
M-5H-6 International Harvester 2 1/2 Ton 6x6 Cargo Truck (G-651) with 12 foot bed.

Marines struggle to position M101 105mm Light Howitzer Okinawa, 1945.  Short wheelbase M-5H-6 2 1/2 ton 6x6 was used as a prime mover
Marines struggle to position M101 105mm Light Howitzer, Okinawa, 1945. Short wheelbase M-5H-6 2 1/2 ton 6x6 (right, rear) was used as a prime mover.

Marines in M-5H-6 6x6 trucks make slow progress during torrential rains on Okinawa, May 1945
Marines in M-5H-6 6x6 trucks make slow progress during torrential rains on Okinawa, May 1945.