I measured my bumper this morning. It is .080 in thick and welded solidly to the frame (about 1/8" thick stuff).
I know the stock bumper is too thin to mount a generator to, but I was thinking about cutting off the stock tube and welding a 1/8" or 3/16" thick 4" square tube to the frame (much like the stock one is now with some horizontal gussets to give more surface area for the weld.
I could then fabricate a rack to mount the generator to. This will add a total of almost 200 lbs to the rear of the trailer.
And if you guys think this won't work, where would be the best place to mount a Honda eu3000is on a microlite 19fd?
Here's my thinking on it if I were to have my grey and black tanks full and they are located in the very rear of my frame it would be like 600 lbs give or take. So 200 lbs is nothing. Yes it is a little bit more leverage but if you build it right it would be like a extension of the frame. That's my 2 cents.
The Honda eu3000is weighs about 125 lbs, which is a lot of weight hanging two feet off the back of your microlight. I hope you reconsider this approach and look for a place in your tv to transport it, otherwise you might be leaving it in the middle of the highway.