Single Girder EOT Crane
Single Girder EOT Crane is an Over head travelling crane which travels on the either side of the long rails...

Gantry Cranes /Portal Cranes travels on the either sides of Long travel rails fixed on the floor and rest of the operations are same as EOT Cranes. This type of cranes are used in the area where the building was not designed to bear the crane load and the outdoor applications where there is no building coverage.
Single Girder EOT Crane is an Over head travelling crane which travels on the either side of the long rails...
Double Girder EOT Crane is an Over head travelling crane which travels on the either side of the long travel...