Baudouin has unveiled its latest innovation, the 8F21 marine engine, at the SMM maritime trade fair in Hamburg, Germany. This new engine model stands out with its impressive specifications and adherence to modern emissions standards.
The 8F21 is a robust 16.7-litre V8 twin-turbocharged engine, certified to meet the stringent IMO 2 emissions standards. It features a bore and stroke of 127 mm by 165 mm, respectively, and is equipped with a 14-inch flywheel housing and SAE 1 flywheel. The engine operates with an idle speed of 700 rpm.
Constructed with a cast iron block and cylinder heads, the 8F21 is designed for durability and ease of maintenance, incorporating individual covers for each cylinder head. Key components include a forged steel crank supported by five bearings and oil-cooled light steel pistons that use three high-performance piston rings.
The engine boasts a sophisticated two-stage cooling system, complete with an HT thermostatic valve, an integrated fresh water expansion tank, and a high-efficiency tubular heat exchanger. Advanced common rail technology allows the injection system to deliver diesel at 2200 bar, ensuring efficient performance and compliance with emissions regulations.
The 8F21 engine is available in several configurations to suit different applications. In its P3 duty rating, it produces 809 kW (1100 hp) at 2300 rpm. For P4 applications, the power output increases to 919 kW (1250 hp), while the P5 configuration achieves a maximum of 1000 kW (1360 hp). The P3 rating is ideal for intermittent use in seasonal passenger vessels, pilot boats, and firefighting vessels, with a load factor of up to 50% and annual operating hours between 1000 and 3000. The P4 rating is designed for high-performance applications, such as fast rescue and military vessels, with operating times of less than 1000 hours per year. The P5 rating, suitable for private pleasure craft, handles load factors up to 60% with about 500 annual running hours.
Sebastian Peyron, Vice President of Strategy and Engineering at Baudouin, highlighted the engine’s advantages: “This engine offers an exceptional power-to-size ratio, reaching 1000 kW from a 17-litre engine. This advancement will enable our partners to target new markets, including light-duty and pleasure applications.”
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