MossRoad:
I did considerable measuring and head scratching over the weekend (except when I was scraping our minuscule snowstorm off the road). I had hoped to adapt an old Reese hitch from a Cadillac to bolt on the back of the 1845, without disturbing the current pin hitch. I couldn't come up with a way that seemed appropriate and spread the loads laterally without a lot of cutting, welding and drilling, moving engine cover hinges, etc. My pin hitch has 2" clear between the ears, so I could just use a section of insert, weld it to a section of receiver tube and brace it per your drawing. I think that would work fine, but I think it will be a lot easier and stronger just to weld the old hitch all the way across the back of the PT, and add some simple triangular braces. That loses the factory hitch, but will make a pretty hefty installation. The guys at Power Trac said just to weld a receiver tube end to the back plate. They didn't even think braces were needed, so what I am planning will be overkill. Certainly anything rated for an 8000 lb trailer load on full braking on the highway will not be strained by anything we hook to the Power Trac. The particular hitch that I am using suffered no ill effects from a 360 degree excursion with Cadillac and horse trailer with two horses on the Baltimore Beltway. A lot of stuff on the trailer bent, but not the hitch.
It's appropriate to the Power Trac, however, to overbuild modifications as they did the basic machine.
I'll post pictures someday, I hope.
For my signature, I merely stole a logo from the Power Trac website and played with it through several programs until it came out the right size. I haven't any idea how I did it, since the size problem just disappeared at some point in Photoshop.
Maybe some day I'll find out how to do a more useful graphic than
, but for now I am focused on the hardware.