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XCMG's 4,000-ton Crawler Crane XGC88000 Marvels China's Offshore Wind Revolution
Fully designed and manufactured with independent intellectual property rights, the installation marked a critical technological breakthrough for China's offshore wind industry as it advances into deeper waters. Currently the most powerful and largest offshore wind unit globally, the 26-MW wind turbine has the longest rotor diameter and highest single-unit capacity. Comprised of over 30,000 components, its hub center stands at 185 m with a rotor sweep area of 77,000 m2. The installation faced 2 major challenges: extreme precision and complex terrain. The engineers had to align over 200 bolts with millimeter-level accuracy at nearly 200 m above ground, while also overcoming soft tidal flat foundations and cramped workspaces. To tackle the hurdles, the project team innovatively reinforced the foundation with advanced piling techniques and deployed XGC88000. With an integrated solution of ground pre-leveling and aerial precision coordination, the crane safely positioned the 1,000-t nacelle into place. After installation, the turbine will undergo commissioning and grid integration. Once operational, a single unit is projected to generate 100 million kWh/y of electricity. Since its debut in 2013, this crane has been instrumental in over 20 major projects across China, Saudi Arabia and Oman. With a cumulative total of 200,000 t lifted, the legacy of the XGC88000 includes world-first technologies, internationally leading innovations, and than patents, reflecting XCMG's relentless pursuit of precision engineering and advanced R&D.
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