Welcome to this fabulous site. Lots of knowledge here, and lots of knowledgeable people who are very happy to answer your questions.
So, first thing to do is to read up on drive trains.
Sounds like you already have a pretty good idea on the purpose (mission) of the bus you seek. Don't settle on the first bus you find unless it checks "all the boxes"
Finally, when you locate your bus, post pics so we can follow along on your journey.
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