locomotive
The part of a train that contains the engine.
If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit
Examples
- Danbooru post #8094486: Class EF66: An example of an Electric Locomotive
- Danbooru post #8002542: EMD SD40-2: An example of a Diesel Locomotive
- Danbooru post #373318: Class D51: An example of a Steam Locomotive
