This jaw dropper is the Wärtsilä RT-flex96C, the world’s largest and most powerful diesel engine in the world today. by Tibi Puiu January 10, 2023 - Updated on April 30, 2023 ...

The EMD 645-169 liter engine is another of the world’s biggest engines. Used in locomotives and hauler trucks, to name but a few applications, this engine is very powerful indeed.

Until it was discontinued in 2017, the Dodge Viper had the world’s largest production car engine. The V10 unit started out at 8.0 liters but was gradually enlarged to 8.4 liters .

The RT-flex96C has a displacement of nearly 25,500 liters (or the equivalent of roughly 3,187 Bugatti Chiron engines) and produces 108,920 horsepower at 102 rpm with 5.6 million pound-foot of torque.