Well, now i broke it good.
I tried and tried to get it to budge. No joy. So i removed the rotten tire and tried my big pulley puller. Could not make it fit.
So, I took my Big Freeken Hammer and started beating on the rim from the back side (I have more rims).
Well, not such a good idea. It was so rusted on, and i hit it so hard, I must have broke a snap ring that holds the axle into the rear end, cause the whole axle came out.
Now I dont know if it will be easier to tear the rear end apart and replace the ring, after I do get the wheel off the axle, or replace the whole rear end with the one off the white parts tractor. I think it might be the same rear assembly.
Any advice is helpfull.