Well, I woke up this morning to a front flat on the tractor. I took it off and took it to a local tire shop. I asked them if they could install a tube, but after we aired it up and saw the slice in the sidewall, they said nope. I went home, and took the rear wheel off an Allis Chalmers B that I have, which matched. Called the local tire shop as I headed back out, and they had just dispatched their drivers on a call. So I called another, and took them there. Showed them what I had in mind, swapping the old rear tire onto the front rim. The guy suggested I just fix the old tire, instead of doing all the swapping around. So I let him put a patch on the inside of the slice, and then installed a new tube. When he aired it up, the slice opened up, but it held air. I will install in it the morning and see how it does. If it doesn't work, no big loss, I will just swap out the rear tire.
I guess I probably ought to consider getting a new set reasonably soon, as I am supposed to pull a wagon load of kids around in a couple months!
David from jax