I don't recall the whole story about that shared cab or who actually made it but there are other truck makes to add to the list of those that used it, Hendrickson and Dodge comes to mind. Possibly Oshkosh, FWD, Cline, and others?
Might have been an article in the Wheels Of Time magazine on the subject, I'll do some searching.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-