[51504bat]

I had a '40 1 1/2 ton flatbed with a 3 speed Watson auxiliary trans. It was under, direct, and over. But it had an open drive line so the install of the divorced unit was a much easier install than one would be in a closed drive line. 2 speed rear axles for the earlier 1 1/2 tons were available but even if you could find one most (if not all) were low and lower.