The Wärtsilä 31 is a medium-speed four-stroke marine diesel engine from Wärtsilä that the maker presents as the most efficient engine of its kind. It is offered in diesel, dual fuel and pure gas versions, with eight to sixteen cylinders and an output of 4.6 to 10.4 megawatts at 720 and 750 revolutions per minute, and the maker quotes 650 kilowatts per cylinder for the diesel engine. In 2015 Guinness World Records recognised it as the most efficient four-stroke diesel engine in the world, on a diesel fuel consumption as low as 165 grams per kilowatt-hour reported by the company. Wärtsilä says it suits ferries, fishing vessels and cruise ships, either in diesel-electric arrangements or as an auxiliary engine, and that engines have been running since 2018.
Facts
SignificanceWärtsilä announced in June 2015 that Guinness World Records had validated the engine as the most efficient four-stroke diesel engine in the world, on a diesel fuel consumption as low as 165 g/kWh stated by the company. 1 Classification
Fuel or Cycle Fuel or Cycle Connections
Of Make
Source Wärtsilä 31 (Wärtsilä)
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Manufactured By
Also in Business Atlas: the manufacturer of this subject.
Source Wärtsilä 31 (Wärtsilä)Lead, makerQuote, Lead, maker
The Wärtsilä 31 is an efficient medium-speed 4-stroke marine engine
Sources
1. EngineLabs: Wärtsilä 31 Achieves Guinness World Record For Diesel Efficiency
EngineLabsLead, Guinness World Record
the company recently laid claim to a Guinness World Record for the most efficient 4-stroke diesel engine in the world
Lead, diesel engine
the most efficient 4-stroke diesel engine in the world
View the Source 2. Wärtsilä 31 (Wärtsilä)
Key benefits, running since
Proven and reliable - running since 2018
Lead, four-stroke engine
is a medium-speed 4-stroke marine engine that provides the best fuel economy of any engine in its class
Description, versions
The Wärtsilä 31 engine is available in diesel, dual fuel and pure gas versions.
Lead, maker
The Wärtsilä 31 is an efficient medium-speed 4-stroke marine engine
In Group: Marine Diesel Engines, Lead, marine engine
The Wärtsilä 31 engine is available in diesel, dual fuel and pure gas versions.
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