A pre-purchase survey. Doesn't everyone do this? I can't imagine buying a used truck, sailboat, plane, or piece of land without a survey. Ten years ago I wouldn't have put used tractors in that group - but with prices so high I do today.
Maybe it is less common than I thought. If so, I bet that will change. There are about to be a lot of used tractors on the market.
Land Surveyors have turned surveying into a profession all its own with legal descriptions, markers, and licensing - but regardless of what the item is, there are usually people who specialize in it and some will do surveys. Some do nothing else.
One guy locally just does pre-purchase surveys on used RVs. Another only works on particular models of vintage motorcycle. Another surveys sailboats. Survey price is usually by the hour at standard rates. For a car or tractor, three hours seems about normal. What you get for that is a written report with standard disclaimers.
Hopefully the surveyor will be someone who is semi-retired and has a lifetime of experience with a particular thing ... or like I said, sometimes with a particular model.
It is very common in marine, aviation, buildings, and land transactions. Just one part of buying used.
There are plenty of companies who will write a warranty on a used machine. Sometimes I buy an extended mechanical warranty on a car. It's just like if buying a building lot I would buy title insurance. All these things absolutely do require a survey.
I'm feeling sort of alone on this.... Who else does this??
Anyway, it's recommended,
rScotty