Liebherr used two mobile harbour cranes and two lattice boom mobile cranes to lift its new RL-K 7500 subsea crane ahead of shipment to Asia.
At its facility in Rostock, Germany, Liebherr used two LHM 600 mobile harbour cranes and two LG 1750 lattice boom mobile cranes to lift the RL-K 7500 onto a transportation device.
The RL-K 7500, which has a dead weight of 665t, will be delivered along with a Liebherr RL-K 4200 knuckle boom crane, to Daewoo Shipbuilding & Marine Engineering. The customer plans to equip several of its ships with a set of one RL-K 7500 model and three RL-K 4200 cranes.
The RL-K 7500 can lift up to 300t and handle loads down to a depth of 3,600m underwater.
It also features Liebherr’s AHC (Active Heave Compensation) system, which uses sensors to predict and compensate the vessel’s motion, and a horizontal winch shifting system designed to ensure the ideal fleet angle of the rope under all load conditions when both hoisting and lowering. The vertical winch frame lifting system reduces wear on the rope, extending service life.
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