I went with BobHenry's suggestion to add a stronger and longer trailer tongue.
I replaced it with a 2 x 3 x 3/16 x 8'. The 8' length allows me to fasten the tongue to all 3 crossmembers.
Then I added a 2" coupler vs. the 1 7/8th that comes with the trailer.
http://minicamper.blogspot.com/2012/03/ ... ailer.html
Barb