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D4 / 225
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The BUKH 4-cylinder D4-225 is developed from the latest design in modern diesel technology. The engine has common rail fuel injection system, double overhead camshafts, 4 valves per cylinder, turbocharger and aftercooler. Together with a large swept volume and the EVC system (Electronic Vessel Control), this results in world-class diesel performance. ENGINE BLOCK AND HEAD • Cast iron cylinder block and cylinder head • Combined ladder frame and balance shaft • 4 valve technology with hydraulic lash adjusters • Double overhead camshafts • Oil cooled pistons with two compression rings and one oil scraper ring • Integrated cylinder liners • Replaceable valve seats • Five bearing crankshaft • Rear-end transmission ENGINE MOUNTING • Flexible engine mounting LUBRICATION SYSTEM • Easily replaceable separate full-flow and by-pass oil filter • Seawater cooled tubular oil cooler FUEL SYSTEM • Common rail fuel injection system • Control unit for processing the injection • Fine filter with water separator and alarm COOLING SYSTEM • Thermostatically regulated freshwater cooling • Tubular heat exchanger with separate large volume expansion tank • Coolant system prepared for hot water outlet • Easily accessible seawater impeller pump ELECTRICAL SYSTEM • 12V or 24V two-pole electrical system • 14V/115A marine alternator with Zener-diodes to protect the system from peak voltage, and integrated charging regulator with battery sensor cable for maximum use of alternator • Fuses with automatic reset • Auxiliary stop button INSTRUMENTS/CONTROLS • Complete instrumentation/display packages, including e-key • Electronic shift and throttle available as extras • Plug-in connections AIR INLET AND EXHAUST SYSTEM • Air filter with replaceable insert • Crankcase gases vented into the air inlet • Exhaust elbow or exhaust riser • Freshwater cooled turbocharger • Loss of sea water alarm

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D4-225 BUKH SOLAS MARINE DIESEL ENGINE Engine duty rating C9 - Special Light Duty Commercial_4 Crankshaft power [hp(kW)] Rpm@full load Compression ratio Injection system Common Rail fuel injection system Electronic engine diagnostic Propulsion system Engine type Shaft Drive / Waterjet Power Crankshaft power Calculat d propeller load exp. 2.5 e As BUKH is always endeavouring to improve200 0 engines, specifications mentioned are subject the Power 20 to alterations without previous notice. power Crankshaft 17 Calculat d propeller load 175 5 e exp. 2.5 T orque measured at crankshaft T orque...

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