"> Wärtsilä Wärtsilä 31 - the most efficient 4-stroke marine engine
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Wärtsilä

Wärtsilä 31 - the most efficient 4-stroke marine engine

The Wärtsilä 31 is a medium‑speed four‑stroke diesel (available also as dual‑fuel) engine delivering high power density and the lowest specific fuel consumption among marine engines of its class.

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Equipment Model #60176 · ✓ still in production