Dock gantry crane, 24 m span (Shipyard and Dry Dock)

Rail mounted portal gantry spanning a graving dock: braced A legs on four wheel bogies, twin box girders 14 m up with a walkway, a machinery house and a crab whose hook block hangs between the girders. The crab traverses and the hook hoists.

modernrealisticexteriorkitanimated

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