WDH Cylinders

WDH manufactures fully custom hydraulic cylinders across all sizes — from large-bore units for offshore cranes and dredgers to compact cylinders for superyachts. Every design is the result of close collaboration between WDH engineers and the client, matched precisely to application, environment, and classification requirements.

WDH cylinders are used across bridges and locks, steel rollers, heavy lift installations, and process industry equipment. Total Cost of Ownership (TCO) is a core design principle — WDH engineers for longevity, minimising unplanned downtime and unexpected maintenance costs across the full lifecycle.

WDH is a proven partner for offshore crane and pipelaying systems, dredging equipment, and shipyard applications. Clients include Huisman Equipment, Heerema, and Boskalis. WDH fully understands classification society requirements including Lloyd's, Bureau Veritas, DNV, and ABS, and is ISO 9001 and ISO 3834-2 certified.

WDH repairs and overhauls hydraulic cylinders from all manufacturers — not just their own. Where an overhaul is no longer economically viable, WDH provides honest advice and can replace with a new custom-built unit. Cylinders are inspected, revised, tested, and returned ready to use, with minimal disruption to your operation.

Beyond cylinders, WDH designs and produces rotary joints — including custom solutions for extreme diameters, high rotation speeds, and elevated pressures where standard units fall short. Piston accumulators are also part of their product range, rounding out a complete hydraulic solutions offering.

As an MH Group company, WDH benefits from shared engineering knowledge and international reach, while maintaining the short consultation lines and 24/7 availability that industrial clients depend on.