Doing some research on Warn hubs this morning, I ran across this image on Warn’s corporate website. This may very well be the original Warn Motor’s Service station in Seattle, Washington, where Arthur Warn developed his early ‘Summer Hubs’ as Mike refers to them. Note the signs atop the roof, “Jeeps” and “Warn Motors”.
If there were just one of these trucks, i would call it a custom one-off project. However, two of these suggest to me this was a kit of some kind? It kind of looks like the prototype for the Willys we have named a Tender.