My 52 1 ton, 48 2 ton and the 53 GMC 1.5 or 2 ton in my shop all have 36" frames as shown in the Chevy manual I linked to above, and verified with my tape measure.

Grigg


•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-