I did this on my JD, put a ball in the forward hitch plate hole, and preserved the rearward hole for draw pin hitches. The tractor often is pulling my Trac-Vac where a nice hefty B&S Intek sits on the tongue and adds plenty of ground hugging weight to the rear tires:
But, my ATV had only one legitimate hole in the hitch, so I added the Hitch N Post:
Where I've abused it pretty heavily by hauling half cord trailer loads out of the woods on the ball
And regularly pull 18' logs with my log arch where I am in the pin hole
To last winter when I built a sledge to pull rounds in the snow that I couldn't begin to lift by looping a strap on the hooks
I have retightened the bolt about once per year. Otherwise, it has been very handy.