Originally Posted by morabuffalo
. . . Anyway, the brackets should be the same as the pickup...1/2 ton...till the 1 1/2 ton which was not really made. All of that type of stuff is 1/2 ton.
rod
Section 7.836: Bar, Frame to Bumper, Attaching

It looks like 47-54 1-ton is different from 1/2 & 3/4 ton.
1947-54 1-ton are the same for all years.

Here is the "key" to bumper section numbers.