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Wartsila-O-E-W-X92 - 2 Pages

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Catalogue excerpts

Wärtsilä X92 R1 Engine power [%] 100% R1+ R3 92% R2 R2+ 74% R4 88% 95% Engine speed [%] Wärtsilä X92 layout field 100% WÄRTSILÄ X92 CASE STUDY 13,200TEU Container vessel: Asia – Europe (Shanghai, Ningbo, Singapore, Rotterdam, Bremerhaven) comparison Sailing profile •• Distance: 10,726 nm/leg •• HFO price = 650 USD/tonne FUEL COSTS/LEG (kUSD) 2000 1900 25 1800 kUSD Total running hours (%) At Wärtsilä, we are passionate about optimising lifecycle value by offering precisely what each of our customers need. We can deliver on this promise because we provide the only true total offering of marine products, integrated solutions and services in the industry – worldwide. We help our customers find the shorter route to robust growth and bigger profits through operational efficiency, environmental excellence, fuel flexibility and services. Even though this brochure is just a beginning to learn why Wärtsilä nowadays powers one in every three ships worldwide, it still demonstrates how we are able to customise our comprehensive offering  in order to give customers a crucial competitive edge. What can we do for you? 20 100% 1700 15 88% 1600 10 1500 5 0 14.0 16.0 18.0 20.0 22.0 Operating mode (kn) 23.5 The Wärtsilä X92 is the marine two-stroke diesel engine designed to provide propulsion power for modern large and ultra large container vessels following the latest trends in container vessel propulsion. The combination of the large bore, long stroke, and low shaft speeds together with the advanced proven common-rail technology results in an engine with particularly high efficiency and environmental performance. The Wärtsilä X92, which has a cylinder bore of 920 mm, provides a power output of 25,860 to 70,200 kW and is available in 6–12 cylinder configurations. Currently available main engine (Reference) 10-cylinder Wärtsilä X92 HFO price = 650 USD/tonne The key benefits of the Wärtsilä X92 include: •• Extra low fuel consumption over the whole operating range together with low cylinder oil consumption •• Flexibility of optimum rpm selection to enable increased propeller diameter •• Stable operation down to 12% nominal engine speed for slow steaming •• Reduced CO2, SOX and NOX emissions, offering shipyards excellent possibilities for improved EEDI

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OPERATIONAL FEATURES The engine offers high efficiency due to the large bore, high stroketo-bore ratio and Wärtsilä’s well proven electronically-controlled common-rail technology which plays a key role in enabling ship owners to reduce fuel costs, mainly through the flexibility of the fuel injection and exhaust valve operations. A unique feature of Wärtsilä low-speed electronically controlled engines is the possibility to control each fuel injector separately. This flexibility results in lower fuel consumption across the entire operating range, especially at low and part loads. In addition, different...

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