The World’s Largest and Most Powerful Marine Engine: Sulzer RT-flex96C

The Sulzer RT-flex96C is the world's largest marine engine, powering massive container ships. Manufactured by Finnish company Wärtsilä in South Korea and Japan, it stands as tall as a five-story building, delivers nearly 110,000 horsepower, and burns up to 250 tons of diesel fuel per day.

Jan 6, 2025 - 18:57
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Key Specifications

  • Power and Size
    The two-stroke engine generates up to 110,000 horsepower, stands 13.5 meters tall, and weighs around 2,300 tons.

  • Manufacturing
    Built by Wärtsilä, the engine is produced at facilities in South Korea and Japan.

  • Fuel Consumption
    It consumes up to 250 tons of fuel per day, with optimized fuel efficiency for massive cargo loads.


Where It’s Used

The engine powers the world’s largest container ships, such as the Emma Maersk class, which transport tens of thousands of containers globally.


Why It Matters

  • Global Logistics
    Engines like the Sulzer RT-flex96C are critical to global trade, enabling the transport of goods across vast distances.

  • Engineering Marvel
    The engine represents a pinnacle of marine engineering, combining massive scale with high performance.

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