Thanks Paul:
It was fun, as are all the puzzles I try.
I settled on Evans as they produced a fair number of variants
during WWII for use both here in the US and in Western Europe
to help ease the shortage of locomotives in both hemispheres.
And, as you know, military soft skin vehicles is my own field of
interest.
Here is a "composite" advertisement, not good copy unfortunately
but it shows several variants, of the period.