670 E Ready for challenging hydraulic engineering projects

04.08.2026 Berlin, Germany Author: Maximilian Frick, Product Marketing Manager Cranes

Duty Cycle Crane in Hydraulic Engineering: Greater Performance for Coastal Protection and Port Construction

Hydraulic engineering places demanding requirements on both equipment and personnel. Heavy structural components, constantly changing job sites, and operations on pontoons or in coastal environments require powerful, reliable machinery. To meet these challenges, East Frisian construction company J.u.H. van der Linde has expanded its fleet with a new SENNEBOGEN 670 E duty cycle crane. The new machine will be deployed on demanding projects involving coastal protection, port construction and steel hydraulic engineering.

What challenges do modern duty cycle cranes face in hydraulic engineering?

Whether constructing a new quay wall, upgrading existing port infrastructure or carrying out coastal protection works, today's hydraulic engineering and civil engineering projects are becoming increasingly complex. At the same time, the size and weight of structural components continue to grow. As a result, cranes must safely handle high lifting capacities while delivering reliable performance under demanding site conditions.

J.u.H. van der Linde has been active in the construction industry for more than 130 years and has built extensive expertise in civil engineering, building construction, pipeline construction and steel hydraulic engineering. With its own fleet of machines and pontoons, the company carries out projects on inland waterways, in the Wadden Sea and around the East Frisian Islands.

To meet future project requirements, the company has invested in a SENNEBOGEN 670 E. With a maximum lifting capacity of 70 tonnes, the duty cycle crane significantly expands the company's capabilities for heavy lifting and assembly operations, becoming the most powerful machine of its kind in the fleet.

J.u.H. van der Linde expands its hydraulic engineering fleet

SENNEBOGEN 670 E cable excavator at J.u.H. van der Linde for hydraulic engineering, coastal protection, and port construction in East Frisia. — (from left to right) Henry de Beer (foreman), Jörg Hoppe (Managing Director of J.u.H. van der Linde), Georg Willing (Managing Director of Gebr. Willing GmbH), Dirk von der Lieth (SENNEBOGEN Regional Sales Manager), and, in the cab, Horst Büüsker (operator).

The investment forms part of the company's long-term fleet modernisation strategy. Acquired from the rental fleet of Gebrüder Willing GmbH, the SENNEBOGEN 670 E replaces older machines that have delivered reliable service for decades.

Jörg Hoppe, Managing Director and Head of Hydraulic Engineering at J.u.H. van der Linde, explains:

"Structural components are becoming increasingly heavier, so we have to keep pace with changing requirements. Our previous machines have served us faithfully for more than 30 years. Now it's time for them to retire and make way for the new generation represented by the SENNEBOGEN 670 E, complemented by a 643 E telescopic crawler crane. Coastal protection is one of the most important safeguards for inland areas – and there is always plenty of work for these machines."

With this investment, the company is well positioned to complete future infrastructure projects efficiently and reliably.

Long-standing partnership builds confidence

Alongside the technical capabilities of the machine, the long-standing partnership with SENNEBOGEN played an important role in the purchasing decision. For more than 30 years, a SENNEBOGEN 612 M mobile crane has been operating reliably as a yard crane at the company's Emden facility.

The positive experience gained over decades in terms of reliability, durability and cost-effectiveness was a key factor in selecting the new duty cycle crane. For J.u.H. van der Linde, not only the machine's performance but also its day-to-day availability on construction sites is of decisive importance.

How does the integrated counterweight system improve job site efficiency?

The practical advantages of the new duty cycle crane became evident during its initial assembly at the company's yard. Thanks to the integrated counterweight handling system, the SENNEBOGEN 670 E was assembled without the need for an additional assist crane. At the same time, machine operators received hands-on familiarisation with the new equipment.

Particularly on projects involving frequent relocations, this solution reduces logistical effort, shortens setup times and increases operational flexibility. In hydraulic engineering, where machines are regularly transported between different construction sites, these benefits contribute to greater efficiency and improved project productivity.

A SENNEBOGEN 670 E being set up for the first time on the premises of J.u.H. van der Linde, using the integrated ballast system without an additional auxiliary crane. — Thanks to the SENNEBOGEN 670 E’s integrated ballast system, the initial setup could be carried out on the company premises without the need for an additional crane.

What applications will the new duty cycle crane cover?

The SENNEBOGEN 670 E will be deployed on a wide range of hydraulic engineering projects both on land and on water. Its primary applications include:

Coastal protection projects
Construction of new quay walls
Modernisation and expansion of existing port facilities
Steel hydraulic engineering
Lifting and positioning heavy steel structures
Operations on pontoons and inland waterways

With its high lifting capacity and robust design, the duty cycle crane enables J.u.H. van der Linde to complete even the most demanding hydraulic engineering projects efficiently, safely and reliably.

Greater performance for future hydraulic engineering projects

By investing in the SENNEBOGEN 670 E, J.u.H. van der Linde is strengthening its long-term capabilities in hydraulic engineering. Combining high lifting capacity, efficient self-assembly and proven SENNEBOGEN engineering, the new duty cycle crane provides the performance required for future coastal protection, port construction and steel hydraulic engineering projects.