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Marine diesel engines - Wärtsilä
Wärtsilä 32 - diesel engine
Wärtsilä 46F - diesel engine
Wärtsilä-Sulzer RTA96-C - Wikipedia
Meet Wärtsilä 31 – The World’s Most Efficient Engine
Wärtsilä - Wikipedia
Wärtsilä 14* – the most compact high-speed marine engine - China
Wärtsilä 31 - the most efficient 4-stroke marine engine
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