World’s first dual-fuelled dredger to be powered by Wärtsilä

Wärtsilä Corporation, Press release 6 August 2015 at 10:30 UTC+2
  • DEME-Scheldt-River
A new generation “Antigoon” class dredger, called “Scheldt River”, being built by Royal IHC (IHC) in the Netherlands on behalf of the Belgium based DEME Group, is to be powered by Wärtsilä dual-fuel (DF) engines. This will be the first ever dredger to operate on engines capable of utilising either liquefied natural gas (LNG) or conventional marine fuels. The contract with Wärtsilä was signed in July.

The 104 metre long vessel will have a hopper volume capacity of approximately 8,000 cubic metres. The scope of supply includes one 12-cylinder and one 9-cylinder Wärtsilä 34DF engines, two Wärtsilä controllable pitch propellers and two transverse thrusters as well as the company’s patented LNGPac gas supply and storage system.

“Wärtsilä’s unmatched experience and extensive reference list in dual-fuel engine applications, plus our complete solutions portfolio, were key considerations in the award of this contract. We congratulate the shipyard and owners for taking the decision to have this new dredger become the first to be capable of using LNG or diesel fuel,” says Lars Anderson, Vice President, Engine Sales, Wärtsilä Marine Solutions.

“Environmental considerations are extremely important for every new vessel built today. Operating on LNG allows DEME to set new standards in minimising harmful emissions. “Scheldt River” will easily comply with all local and international environmental regulations. Wärtsilä’s dual-fuel know-how and in particular the 34DF engine series made our concept feasible,” says Jan Gabriël, Head of New Building and Conversion Department at DEME.

This is the second notable order received by Wärtsilä in recent weeks for dredger related propulsion solutions. In June, the company was contracted to supply a comprehensive intergrated solutions package for one of the world’s largest and most advanced self-propelled cutter dredgers currently under construction in China.

Wärtsilä has pioneered the use of LNG as a marine fuel

Wärtsilä is today recognized as a leader in propulsion solutions for gas fuelled vessels. The company's strong and early commitment to this goal has created in depth knowledge of the use of natural gas and LNG. The Wärtsilä LNGPac is an addition to Wärtsilä’s portfolio of solutions for the LNG fuelled ship market. It represents further proof of Wärtsilä’s expertise and knowledge of LNG applications, as well as its dedication to make LNG available for all ship operators and owners. 

Links to more information about the Wärtsilä scope of supply on
The Wärtsilä 34DF engine
Wärtsilä LNGPac
Wärtsilä controllable pitch propeller systems
Wärtsilä transverse thrusters 

Link to image
Caption: The “Scheldt River” will be the world’s first dual-fuelled dredger.

Media contacts:

Mr Lars Anderson
Vice President, Engine Sales, Marine Solutions
Wärtsilä Corporation
Tel: +65 6265 9122  

Ms Marit Holmlund-Sund
Senior Manager Marketing, Communications, Marine Solutions
Wärtsilä Corporation
Tel: +358 10 709 1439

Wärtsilä in brief:

Wärtsilä is a global leader in complete lifecycle power solutions for the marine and energy markets. By emphasising technological innovation and total efficiency, Wärtsilä maximizes the environmental and economic performance of the vessels and power plants of its customers.
In 2014, Wärtsilä's net sales totalled EUR 4.8 billion with approximately 17,700 employees. The company has operations in more than 200 locations in nearly 70 countries around the world. Wärtsilä is listed on the NASDAQ OMX Helsinki, Finland.