Pleasure boat engine : in-board diesel engine 200 - 400 hp (stern-drive, direct injection, turbocharged) MERCRUISER 4.2 ES (250 @ 3800 rpm -> 320 hp @ 3900 rpm)
Cummins MerCruiser Diesel
With a four stroke cycle combustion for quiet and fuel efficient operation, the MerCruiser series engines lead the way in cost efficient propulsion with a compact size for ease of installation, easy access for routine maintenance, and certified tough.