Thank's for the replies guy's.But I'm not anywhere near a math whiz,So I'm either at 6.280 lbs now or 12,566.hmmmI'd like to get 20.000 lbs out of it.It's built out of 2x4 tube steel,heavy wall.reinforced it up top with 4 inch channel and mounted the pump and tank up top out of the way.1 inch pin's holding the deck.I may be going to the storage building today and get a pic.Tom