Main Engine 4-Stroke · Main Engines (4-Stroke)
The Wärtsilä 12VW46F is a marine engine designed for high-power applications. Manufactured by Wärtsilä, this model operates on heavy fuel oil (HFO), marine diesel oil (MDO), biooil, dual-fuel LNG, and methanol. With a bore of 460 mm and a stroke of 580 mm, it delivers a power output of 12,000 kW per cylinder at 600 rpm, making it suitable for large vessels. Known for its robustness and reliability, the engine has accumulated over 7.2 million operational hours since 2004. However, common failures include corrosion-induced failure of exhaust valves, leading to potential damage from vent valve leaks, and wear on cylinder liner bushings and piston crowns requiring regular inspections.
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