this trailer hitch is older, but still serves its purpose,
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ball hole is 1 inch diameter
looks like hitch is # hd165 1r
inner u bolt holes measure 13 1/2 inches on center and 18 11/16 inches on center for outer u bolt holes
inner bolt holes measure 8 1/4 inch on center and the 2 outer bolt holes measure 27 11/16 inches on center
these measurements are very close, so if you have something near those measurements, it should work for you.
$ 40.00 cash