Another option is to use the I-beam front axle from a step van with disc brakes. I have seen a number of these with dual wheels, but have not noticed one with singles yet.

If I get around to working on my 1 ton again I will swap a newer I-beam with disc brakes under it, just as I have done on my other trucks. I feel this is a very clean and reliable solution, but it does take some work to narrow the axle.

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-