Yeah, I had to move my 220 out of the seller's basement walk out and then down a very steep hill, in the rain, to get it out to my truck. We had four people and it was still hard as hell. Mine is an old O'Dell and is a bit thicker glass than most others so I recall that when I looked up the weight it was around 550, empty. Good luck to you and your buddies. I hope you have a walkout to use, because getting it up a set of stairs seems like a crazy task. Also, take your time. I see a lot of people who post threads about breaking tanks during a move. Again, good luck and let us know how it goes.