My torch cart made about 25 years ago designed to hold 3 bottles, 100lb propane,full size oxygen and full size acetylene for welding.
It works well but with all 3 tanks, regulators,torches and 120 feet of hose it is almost too heavy for one man to wheel around in the dirt out here.
http://i177.photobucket.com/albums/w...t/DSC00059.jpg