Everything you need to know about double girder overhead cranes! If you're in the market for a new overhead crane, you may be wondering what the difference is between a single girder and a double girder crane. Here's everything you need to know about double girder cranes! A double girder overhead crane has two beams, or girders, that run parallel to each other and support a movable hoist carriage. The hoist carriage is where the load is suspended. The hoist carriage is powered by a motor, which moves it along the girders. The bridge, or span, of the crane is supported by four or more legs, which are adjustable to ensure the crane is level. The hoist can be operated manually or electronically.
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