Schermafbeelding 2026 10 29 113800

Huisman to deliver Knuckle Boom Cranes for newbuild vessels Siem Industries

29 oktober 2026

Huisman has been awarded a contract by Siem Industries for the delivery of 400mt Knuckle Boom Cranes and 50mt Knuckle Boom Cranes for two newbuild Offshore Support Vessels, currently under construction at Fujian Mawei Shipbuilding in Fuzhou, China. The cranes will be built at Huisman's production facility in Zhangzhou, Fujian Province, China.

The scope of supply includes two 400mt Knuckle Boom Cranes with a below-deck winch, as well as two 50mt auxiliary cranes with deepwater capabilities.

Designed for demanding offshore operations, the Knuckle Boom Cranes combines a robust design with high lifting capacity and advanced handling capabilities. These features are intended to support efficient and reliable offshore lifting operations while providing the versatility required for a wide range of subsea and offshore construction activities.

David Roodenburg, CEO of Huisman, said: "Siem Industries and Huisman have shared a strong business relationship for decades. We greatly appreciate the continued confidence Siem places in our company and are honoured to continue our partnership through the award of this contract. We look forward to delivering cranes that will support Siem Shipping's operations and future ambitions."

Key features of the 400mt Huisman Knuckle Boom Crane

  • Lifting capacity up to 400mt in single fall configuration
  • Full load active heave compensation, using Huisman’s proprietary secondary controlled drive system
  • Deepwater capabilities, up to 3,000m hook travel
  • Lift large objects using the full load lifting capacity with extended knuckle
  • Reduced power swing to vessel grid, together with interaction with electrical power grid solutions and eco-mode operation 
  • High accuracy with Huisman’s fifth generation motion controller
  • Increased operational weather window with load peak shaving mode and lift-off boost mode
  • LiDAR based Active Collision Avoidance