For example, an 80 foot, 20-ton double girder bridge crane will cost significantly more than a 40 foot, 10-ton Ton overhead crane:1 ton, 2 ton, 3 ton, 5 ton, 20 ton up Overhead crane for sale. 1 ton, 2 ton, 3 ton, 5 ton, 10 ton, up to 550 ton overhead crane of different types, i.e. single girder, double girder, top running and underhung