Sounds like you want a diesel-electric locomotive. Or a smaller version of one, maybe. https://en.wikipedia.org/wiki/Diesel_locomotive#Diesel–electric https://

Sounds like you want a diesel-electric locomotive. Or a smaller version of one, maybe. https://en.wikipedia.org/wiki/Diesel_locomotive#Diesel–electric https://en.wikipedia.org/wiki/Diesel_locomotive#Diesel–elect...