Were not talking about 1/2 tons here in the Tons o' Fun. They are different and have unique king pin/floating bushing situation not found on most any other vehicles with king pins.
3/4 ton and up are pressed in bushings and reamed to fit, common practice.

•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-