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Wärtsilä in Switzerland

Wärtsilä in Switzerland, located in Winterthur, is the centre of excellence for low-speed 2-stroke marine diesel engines. These engines are utilized for the propulsion of all types of deep-sea ships world-wide, such as tankers, bulk carriers, car carriers, general cargo ships and container ships right up to and including the world’s largest cargo ships.


The world has enough talkers. We are doers. We are close to 18,000 men and women dedicated to achieving our clients' goals.

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Contact us

Main Office
Wärtsilä Switzerland Ltd.
P.O. Box 414
Zürcherstr. 12
CH-8401 Winterthur
24hrs Technical Support: +41 52 262 8010      
Phone: +41 52 262 4922
Fax: +41 52 212 4917

Diesel Technology Centre
Wärtsilä Switzerland Ltd.
Diesel Technology Centre
DTC Building 650
Sulzer Allee 19 / Sulzer Industriepark
CH-8404 Oberwinterthur
Phone: +41 52 262 4922