size of steel

i want to make a tow dollie the size of which would be 8 feet from end to end that would lift 13ooo lbs with two beams running side by side i
thought you could use two 4in tubes thank frank
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On Feb 13, 6:56 am, snipped-for-privacy@yahoo.com wrote:

A few questions need to be answered before I can even give a WAG.
Does it have wheels, if so where? How much load on the hitch, (if it has a hitch)? Is the load evenly distributed, or at one point? Are you asking about round or square tube? Is this for highway or off road only? Can you provide a pict or link to one you are copying?
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