Wärtsilä 31 - the most efficient 4-stroke marine engine
The Wärtsilä 31 is an efficient medium-speed 4-stroke marine engine that provides the best fuel economy of any engine in its class. It is available in cylinder configurations from 8 to 16 and with a power output ranging from 4.6 to 10.4 MW at 720 and 750 rpm.
Best-in-its-class Wärtsilä 31DF engine gets even more power
Dec 7, 2020 · Wärtsilä Corporation announces the improvement of its Wärtsilä 31DF dual-fuel engine, which was recognised as the world’s most efficient 4-stroke diesel engine in 2015. The new version will have a higher power output range, …
Best-In-Its-Class Wartsila 31DF Engine Gets Even More Power
Dec 8, 2020 · The Wärtsilä 31DF dual-fuel engine, the world’s most efficient 4-stroke diesel engine, is getting more power and lowering its greenhouse gas emissions. Learn how this engine can benefit ships and land-based power plants with its fuel flexibility and sustainability.
Wärtsilä 20DF dual-fuel engine upgraded to deliver more power …
Dec 8, 2021 · The technology group Wärtsilä introduces an upgraded version of its popular and successful Wärtsilä 20DF dual-fuel engine. The new version will deliver increased power output, have a reduced environmental impact, and will feature a lower fuel consumption.
Which is the Most Efficient Ship Engine in the World? - Marine Insight
Jun 27, 2022 · Wärtsilä 31Df – The most efficient ship engine The 31Df was introduced by Wärtsilä in 2015. The latest upgrade of the same model increased the output range to 4.6 – 12 MW from the previous, 4.2 – 11 MW.
Wärtsilä marine engine cuts methane emissions 41%, sets stage …
Nov 2, 2023 · The 31DF comes in cylinder configurations from 8 to 16 and with a power output from 4.6 to 10.4 MW at 720 and 750 rpm. Available in diesel, dual-fuel and pure gas versions, the standard engine is reported to have the lowest emissions levels on the market.
Wartsila Engines? - aulro.com
Dec 29, 2019 · I noticed a small ad for wartsila engines and parts on the general forum page. interesting ad for the LR forum. who has a wartsila here? I looked up some data and I think the smallest one is 1100kw , has a 200mm bore, piston speed off 11m/s, pretty slow.
Wärtsilä, RINA roll out new dual-fuel propulsion concept
Jun 10, 2021 · With the new arrangement, it will require two 4-stroke dual-fuel engines, with options for electric power back-up from batteries or a small dual fuel generator when the ship is idle. The power output of the engine is ranging from 4.6 to 9.6 MW, at 720 and 750 rpm.
Wärtsilä Oyj : Best-in-its-class Wartsila 31DF engine gets even …
Dec 9, 2020 · The technology group Wartsila's highly successful and super-efficient Wartsila 31DF dual-fuel engine is being upgraded to increase even further its power output. The higher power output will be... | December 7, 2022
Wärtsilä introduces latest addition to its RT-flex48T engine …
Dec 1, 2011 · With the implementation of the RT-flex common-rail technology, the conventional and well-known RTA48T engine has been upgraded to feature electronically controlled fuel injection, and exhaust valve activation for greatly reduced emissions and fuel consumption.
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