Gary:
The truck you show is a 1/2 ton light truck. Very few, if any straight civilian trucks were used in WW2. Most of the Ford and Chevy cargo trucks were 1 1/2 ton or larger. They had dual wheels on one axle in the rear. As they got into 2,3,4 tons they got quite a bit larger and usually had two axles with duals on the rear.
I don't doubt the military did aquire some light duty civilian trucks for use in far, far rear bases. The Brits and Italians were the only ones I know of that used light trucks in service in front areas.
The 1 1/2 ton trucks on the market now in die-cast 1/16 are the closest we can get to a decent sized cargo truck. Those are Chevy and Fords.
I can't find a reference to the very nice Ford 1 1/2 ton trucks as Grunt1 supplied us with in Ruskie Lend Lease service. but I don't doubt they were used.
My first antique 1/1 vehicle was a 1945 Ford F5 1 1/2 ton truck. Body style on the F5 trucks didn't change from '41 to '45. Chamged in '46. I always thought it would make a great MV.
My Ford 1 1/2 ton:

My Chevy 1 1/2 ton:

Never restored the Chevy but it was military.
Great MV's for 1/18..
TTT
Sometimes I am the windshield, sometimes, I am the bug.