Heavy Duty Shipbuilding Gantry Crane for Dockyard

Product Parameters (Full Localized Export Adaptation) Product Model: Shipbuilding Gantry Crane, also widely known as shipyard gantry crane, custom large gantry crane for shipbuilding and offshore fabrication. Rated Lifting Capacity: 100t to 3600t, common configuration: 2×200t+200t dual trolley combination, customizable to client’s dock project requirement. Span: 40m to 230m, designed to cover the full width of dry dock or ship berth. Lifting Height: 40m to 128m, adapted for large vessel hull erection and modular block assembly. Working Class: A2–A4, designed for heavy-load low-speed operation with fine positioning control. Main Structure: Double girder portal frame, one rigid leg and one flexible leg, suitable for ultra-large shipyard lifting applications. Lifting System: Dual trolley system including upper trolley and lower trolley. Upper trolley with double hooks can operate independently or synchronously; lower trolley travels on the main girde and can pass beneath the upper trolle…