I haven't tried the impact wrench attack. That is the next thing I will try. I got the nut hot, but think if the impact wrench doesn't work I will heat it until it get RED hot, but not melting hot. I just got it really warm before. My brother-in-law farmer said to try the hot/cold trick, but holding off on it for now. Cutting a line in one side of the nut with a cutoff tool and then use a chisel to knock it loose is a good thought which I will try, as well. Thank you all for your great ideas. One or a couple is bound to work.
