Products > Out-board and In-board engine > 300 - 400 hp in-board > Yanmar Marine USA

Pleasure boat engine : in-board diesel engine 300 - 400 hp (direct injection, turbocharged)
6LP-STP2 (315 hp @ 3800 rpm) Yanmar Marine USA

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The design evolution within Yanmar's technology creates engines which not only perform, but also last and last. That's our mission. This has led to a worldwide reputation for unsurpassed reliability. These engines are the most compact and powerful in their class. The 24-valve overhead cam valve train is the main driver of this success. And, not to forget, the water cooled wastegated turbocharger, intercooler and fuel cooler, which maintain peak performance.