Commercial marine engine : in-board diesel engine 100 - 300 hp (direct injection, turbocharged)
6068 AFM75 ( 186 HP @ 1500 RPM -> 222 HP @ 1800 RPM) John Deere

The 6.8L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with sea water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.