Yes, the 14 bolt from a cab and chassis truck (which has duals) has essentially the same width at the wheel mounting surface as the AD 1 ton rear axle (single and dual), close enough it makes no practical difference.

This is the 4.10 gear swap tech tip for the original Eaton axle.
http://www.stovebolt.com/techtips/axles/1%20Ton%20Upgrade/

Here's how I did it, see the post dated about 30/12/15
https://www.stovebolt.com/ubbthread...C_1_ton___-_Improve-Dri.html#Post1163680



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-