I've got a barely used Jungle Jim 2-wheel sulky for sale. I tried it out for a couple weeks and decided not to use it on my walk-behind mower.
I'll take $200 for it. Yes, the hitch plate and mounting pin are included.
It was on my Exmark Viking. It's not that I did not like it. It's more about how I use my equipment. It was easier to use my Exmark as a walk-behind mower in smaller areas that have some landscape challenges. I use a bigger ride-on ZTR for larger areas.