iowa trucks 59, duals on 3800s are certainly not rare but seem the standard, at least in some parts of the country.
I have a 1949 3800 and just bought a 1950 3800. Both and all of the 3800s I have ever seen all have duals. The 18 inch tires seem the standard size.
While Coker Tires does sell the 18" tires about as reasonable as anyone, the truck I just bought was mainly for the nearly new tires on it. The engine developed a noise, hence the sale. Tires at $89 works better for me as they are already mounted and come with spare parts, i.e. a complete truck.
