More Wärtsilä engines for LNG carriers

The 50DF dual-fuel engine is a popular choice for LNG carriers The 50DF dual-fuel engine is a popular choice for LNG carriers

Wärtsilä is to supply its 50DF dual-fuel engines and propulsion systems for two LNG carriers being built at Chinese shipyards.

Each vessel will be powered by a Wärtsilä 50DF engine, driving a CP (controllable pitch) propeller through a gearbox, plus related systems.

This is the latest in a string of orders for Wärtsilä’s dual-fuel technology, which is claimed to offer high efficiency and lower emission levels that that enable compliance with current and anticipated environmental legislation.

"Chinese owners are beginning to invest significantly in LNG carriers powered by dual-fuel engines, and these latest orders will add impetus to the market, both in China and globally," said Aaron Bresnahan, vice president sales, Wärtsilä Ship Power.

The first of the orders is for Ningbo Xinle Shipbuilding Group Co, while the second order has been issued by Cosco (Dalian) Shipyards.  

The vessels are being built for two different Chinese owners – Zhejiang Yuanhe Ocean Shipping Company and Dalian Inteh Group Co.

Wärtsilä’s 50DF engines will enable the vessels to operate primarily on LNG, with the option to switch to marine fuel if necessary.

When operating in gas mode, the Nox emissions are at least 85% below those specified in current IMO regulations, and CO2 emissions are some 25% less than a typical marine engine running on diesel fuel.

In addition, SOx and particle emissions are minor at almost 0%.

Deliveries are scheduled to being in summer 2014.

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