i made my own trailer for my atv it's a walking beam set up , the kind lots of farm equipment use . its the same width as a atv and it lets you drive over logs or holes . works great .

 

I second the LMI welding products. They look like they are well built and able to take a lot of punishment. Plus the pricing is not too bad either, for what you get. If they are good enough for the US Army and Marines, they are good enough for me...