Yes I have, and No you should'nt. The bar is made of very thin wall stuff, and If you take it off and shake it, you will most likely hear pieces of rust inside. I used it to pulla very small 4x6 trailer to haul wood to my campsite on our farm. It never failed on me, but I never got over 10 mph, and it had started to sag and crack pretty badly, so i ditched it and welded on a heavy duty piece. Now I feel safe pulling even my 10x6 trailer FULL of firewood.