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					Originally Posted by cletrac  One possible avenue is 9.50x13 aircraft tires. There's no tread but they're about 12 ply tires. I have a line on some used ones that I'm going to try on my C8. The lack of tread won't be an issue at the speeds involved. | 
	
 In general aircraft tires are designed for a short run at the speed appropriate to the airplane they fit, followed by a significant cooling period. 
In other words, they may be rated to carry a much heavier load than a 8cwt at higher speeds than any CMP can hope to achieve and still fail from heat stress after a short/slow drive (by vehicle standards).