Aluminum Gantry Cranes from 1/2T to 10 tons, eme manufactures the broadest a 15 foot beam, but you have an occasional 1T lift requiring a 25 foot beam,
Gantry crane means a crane similar to an overhead crane except that the bridge for carrying the trolley or trolleys is rigidly supported on two or more legs
Typically, single girder designs support lifting capacities up to approximately 20 tons with spans of 60 ft. An overhead crane consists of parallel runways
