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Double Girder -Top Running Bridge Double Girder, Top Running Bridge Cranes typically consist of a set of end trucks, 2 bridge girders, and at least one hoist and trolley.
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Single Trolley - Top Running Bridge A Single Trolley, 3 Motion, Top Running Crane is used for general service where a single hoist can provide adequate lifting capacity and lifting speed.
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Gantry Crane Gantry cranes are adapted to applications where overhead runways would be very long & costly to erect.
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Polar Cranes Reactor Servicing cranes sometimes called Polar cranes may handle critical loads and so may be subject to strict regulation by the NRC. They are often also subject to seismic considerations from earthquakes.
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