Swapping out 3/4 ton front axle

[TheDude]

I have a 1947 3/4 ton long bed. It looks like just about every suspension product sold is for the 1/2 ton only, and if there is a version of it, such as wheel bearings, its very expensive. I plan to use the truck for working, and hauling, so I was considering swapping in a different axle, either the 1/2 ton or maybe something newer with disc bakes? Does anyone know if this will work? What axle type should I hunt down?
Thanks!