The rear three-point hitch is the primary work interface on any utility tractor. Prospective buyers should inspect the lower lift arms, adjustable leveling links, and top link for stripped threads or bent steel. Excessive play in the sway chains or stabilizer bars suggests heavy use, requiring replacement components to keep implements running true. https://www.blogbangboom.com/articles/identify-used-tractors-without-serial-numbers-cast-codes