Speaking of construction/agricultural equipment wheels, I was thinking today about, say, a Case IH 7240 with front wheel assist. This probably applies to most other makes, also. You know how the center is pressed like any other wheel, and the rim has square-tube "attaching points" welded on that the center bolts too? Now, those points are, of course, strategically placed so that the tractor can be set up for various row-crop spacings, etc, by mounting the center on one side or the other, stock or reversed. This allows four different offsets from this one wheel. I wonder if this could be applied to create an aftermarket wheel that could be D.O.T. approved. As long as the center is positively located by something other than the bolts, I think it would be do-able. The great benefit, obviously, is the ability to manufacture a minimum number of individual parts that could satisfy the maximun number of customers. Any opinions?