Measuring my 1 ton same as I did the 2 ton it’s about 69-70” inside lower lips of front fenders (not most accurate, measured by myself).
So the 1.5 and 2 tons are about 2-3” wider under front fenders than the little trucks.
Not much.

•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-