Re: Cat 0 tiller conversion to Cat 1 ....???
Anything can be made to work with a torch and a welder. As long as you do not over load it the gear box and PTO should stand up to the use, in other words stay out of hard packed ground. Since you got for scrap, use until you turn it into scrap, may happen sooner than later but with luck you will have gotten some use out of it.
Of course you could replace the gear box or PTO if either one were to give it up.
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