Wartsila has seen solid revenue growth and margin improvements, but current valuation and potential marine market weakening make it less attractive for new investments now. The Marine business ...

A six-cylinder prototype of what is reportedly the world's largest medium-speed engine, the Wartsila 64, was started more than a year ago at the Wartsila NSD Vaasa research center in Finland.

The Wartsila 32 brings higher unit power, enhanced fuel consumption, significantly reduced componentry and integral computer control to a fiercely competitive sector of the engine business.