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BUNKER INDEX :: Price Index, News and Directory Information for the Marine Fuel Industry
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Wartsila launches more powerful MDO-to-HFO engine with 'almost same' bunker consumption

04 Dec 2017 14:37 GMT

New engine features an increased cylinder output of 220 kilowatts.



Wartsila has announced that it is launching an upgraded, more powerful version of its Wartsila 20 diesel engine.

According to Wartsila, the new engine features an increased cylinder output of 220 kilowatts (kW) that will raise its power density, thereby enabling vessels to accommodate greater payloads or achieve quicker speeds with "almost the same low fuel consumption as the current version". The increased maximum output will also improve the bollard pull capacity for tugs and support vessels, Wartsila says.

"By increasing the output per cylinder from 185 kW to 220 kW, it follows that fewer cylinders will be needed when installed in 60Hz generating sets. This means that a lighter and more compact generating set is possible within the 1.3 to 2 MW merchant auxiliary segment," Wartsila explained.

"The new Wartsila 20 engine has the best power-to-weight ratio on the market in its segment. This provides an exciting value proposition for owners of ships where a light yet powerful engine is an advantage," remarked Stefan Wiik, Vice President, Engines, Wartsila Marine Solutions.

More than 6,000 Wartsila 20 engines have been delivered since its introduction to the market in the early 1990s. The engine is designed to switch from marine diesel oil (MDO) to heavy fuel oil (HFO) and vice versa without power interruption at any engine operation load.

The engine is said to be fully compliant with the IMO Tier II exhaust emissions regulations set out in Annex VI of the MARPOL 73/78 convention. IMO Tier III compliance is available, as an option, together with the Wartsila NOx Reducer (NOR) selective catalytic reduction (SCR) system.

The engine is used in a range of applications including merchant ships, special vessels and offshore applications. The upgraded version is also included in the newly introduced Wartsila HYTug series featuring integrated energy storage and power management systems.

Wartsila will be officially launching its latest engine at the Marintec conference and exhibition in Shanghai, China, from December 5 to 8.


Image: A new, more powerful version of the Wartsila 20 engine is being officially unveiled at the Marintec conference and exhibition in Shanghai, China, from December 5 to 8. Image credit: Wartsila




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