I have ordered the above attachment so I can carry my spare and tow my Genhoe (when I get it
In the mean time I have my Draw-Tite spare wheel bracket #6715
and have mounted it in my rear receiver:
The plate on the bracket fit the 8 lug dualie wheel for my E450 Super Duty perfectly:
so now all I need is a spare tire cover and a 4 bike rack to carry my wife's trike and my bike in the front receiver.