{"id":2791,"date":"2026-07-02T06:42:37","date_gmt":"2026-07-02T06:42:37","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/product\/offshore-crane-a-type-mast-crane-luffing-cylinder\/"},"modified":"2026-07-02T06:42:59","modified_gmt":"2026-07-02T06:42:59","slug":"offshore-crane-a-type-mast-crane-luffing-cylinder","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/it\/prodotto\/offshore-crane-a-type-mast-crane-luffing-cylinder\/","title":{"rendered":"Offshore Crane A Type Mast Crane Luffing Cylinder"},"content":{"rendered":"

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Offshore Crane<\/span><\/p>\n

Offshore Crane A-Type Mast Luffing Cylinder<\/h2>\n

An A-frame mast crane uses a triangular mast structure to support the boom from above \u2014 like a tent pole holding up the boom tip. The mast luffing cylinder tilts this A-frame, changing the boom angle and reach. Push and pull: 8,454 KN and 3,589 KN for precise mast angle control under load.<\/p>\n

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\u2264580mm<\/span>Bore<\/span><\/div>\n
\u22645,170mm<\/span>Stroke<\/span><\/div>\n
8,454 KN<\/span>Push<\/span><\/div>\n
3,589 KN<\/span>Pull<\/span><\/div>\n<\/div>\n<\/section>\n
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Technical Specifications<\/h2>\n
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\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/td>\nOffshore Crane A Type Mast Crane Luffing Cylinder<\/td>\n<\/tr>\n
Features<\/td>\nAdjust horizontal angle of the A-frame mast<\/td>\n<\/tr>\n
Bore Diameter<\/td>\nUp to 580 mm<\/td>\n<\/tr>\n
Rod Diameter<\/td>\nUp to 400 mm<\/td>\n<\/tr>\n
Stroke<\/td>\nUp to 5,170 mm<\/td>\n<\/tr>\n
Thrust Force<\/td>\nMaximum 8,454 KN (push)<\/td>\n<\/tr>\n
Pulling Force<\/td>\nMaximum 3,589 KN (pull)<\/td>\n<\/tr>\n
Working Pressure<\/td>\nUp to 32 MPa<\/td>\n<\/tr>\n
Application<\/td>\nOffshore Crane (A-Frame Mast)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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What Is an A-Frame Mast Crane?<\/h2>\n
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\"A-frame<\/p>\n

An A-frame mast crane has a distinctive triangular mast (shaped like the letter A) that rises above the crane pedestal. Wire ropes run from the mast top to the boom tip, supporting the boom from above. This design allows the boom to be much lighter than a self-supporting boom because the mast carries most of the bending load. The luffing cylinder tilts the mast backward and forward, which changes the wire rope geometry and therefore the boom angle and reach.<\/p>\n

A-frame cranes are common on pipe-laying vessels, heavy-lift construction vessels, and platform supply vessels where high SWL (200\u20135,000 tonnes) is required with relatively compact deck footprint. The mast luffing cylinder is the critical actuator in this system \u2014 controlling mast angle directly controls the crane’s lifting radius and height. Browse the offshore hydraulic cylinder<\/a> range for the main boom (#17) and folding arm (#18) cylinders.<\/p>\n<\/section>\n

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A-Frame vs Conventional Boom \u2014 Why the Cylinder Requirements Differ<\/h2>\n
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\"Offshore<\/p>\n

The A-frame mast cylinder faces different loading conditions than a conventional boom luffing cylinder:<\/p>\n