Thanks to all of you for your advice. I think I have a better chance now of not spending a life time of labor getting the tires cut off. I have checked into getting my tires recapped, they had been recapped by the owner before me. I was a green horn when I got the Bobcat and got some bad advice from a local. When I asked what to do about my worn tires he said just be keep using them until the tread is gone since they they were foam filled and could not be repaired. Little did know at the time I could have gotten recapped. I did not find this forum until it was too late, such is life. Again thanks for all the input.
If they have been around twice, a guy would want to check the casing real close to decide if they were worth doing again. Though they may well have been good enough. The cost of the foam exceeds that of a new tire. So I know I'm going to cap the set I have when the time comes.
How bad you want foam tires depends on how likely you are to get flats. Some applications require flat proofing, but most don't result in that many flats.
They only other downside to foam is the weight. Though sometimes this is benificial to if you want more counter weight too.
I guess your case has been decided, but I would recommend adding slime,
www.slime.com if you are worried about small punctures resulting in flats.
Ken