In my experience most of the C&C axles are 4.56. It took me a lot of searching locally to find one with 3.73 gears
https://goo.gl/photos/wkw45S4g9sDPmQwX7

I did find one or two suburban or pickup truck axles with 3.73. suppose that would have worked with hub swap and some fabrication or aftermarket parts for brakes as noted.

•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-