Commercial marine engine : in-board diesel engine 300 - 500 hp (common-rail, turbocharged) 6090 SFM75 (325 hp @ 2100 rpm -> 500 hp @ 2400 rpm)
John Deere
The 9.0L marine engine is cooled by sea water through a heat exchanger. It is turbocharged and aftercooled and has a water jacketed exhaust manifold and turbocharger housing. The propulsion engines feature constant power to 400 rpm below rated speed making these engines an excellent choice for patrol craft, launches, work boats, fishing boats, trawler yachts and sport fishing boats.