I have one of these burners and a 10 pound tank that I carry by hand. I think that there was also an option to get a small cart for the tank. They work pretty well on small young weeds and grass, but less well on older tough weeds. I have used it especially on Canada Thistle plants.
Ed
Northumberland BerryWorks
707 Front Street
Northumberland, PA 17857
(570) 473-9910