I am thinking of adding dual wheels to my Allis Chalmers WD45. It looks pretty cool, but actually serves a purpose too! In our area, we have some hills along with some sandy loam soil. This makes traction a problem at times when working hard at something like plowing or chisel plowing. By simply adding two more rear wheels, you can add to the weight of the rear end and add more gripping power to the ground. The fact that it looks so cool is just a benefit! This is a picture that a fellow Allis man sent me. Leon's Allis CA looks like it is ready for business. In my mind, having grown up around International Tractors like the 1086, all tractors should have duals!