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The original was posted on /r/todayilearned by /u/747WakeTurbulance on 2025-07-03 15:51:02+00:00.

Original Title: TIL: The largest reciprocating engine in the world is the RT-flex96C, a turbocharged diesel engine designed by the Finnish manufacturer Wärtsilä. It is designed for large container ships. Its 14-cylinder version is 44 ft high, 87.2 ft long, weighs over 2,300 t, and produces 107,390 hp