What is the prime mover in a diesel locomotive?

A diesel engine.

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Why: Diesel locomotives use a diesel engine as the prime mover, often diesel-electric.

Huh, didn't know that: Diesel locomotives use a diesel engine as the prime mover, often diesel-electric.

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References

Answer: A diesel engine. Diesel locomotives use a diesel engine as the prime mover, often diesel-electric.

  1. Rail transport en.wikipedia.org/wiki/Rail_transport
    Diesel locomotives use a diesel engine as the prime mover.
    Checked 2026-11-07.

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