Those are done in QuakeC so you'd have to write a mod. My mod progs_dump borrows a lot of particle effects from older mods but I don't have anything that is attached to a train. I know you can do that but I'm not exactly sure how to do that myself. I still have a lot to learn even after 3 years of messing with QuakeC.
I know you can add a flag to a model in AdQuEdit and Quake Model Viewer that would make it drip blood or attach a rocket trail. But I don't think you can make a train out of a model without coding.
If you don't need the player to touch the model progs_dump has the ability to swap out models on the misc_teleporttrain entity. So you can use a model that drips blood.
Here's a link to the mod: https://www.celephais.net/board/view_thread.php?id=62007
The manual is quite detailed.