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D&D 5E What size category is a locomotive?

I'm not sure how big is big.

I remember that in 3e Colossal was essentially the size of a tractor trailer or motor home and seeing if it still applies.

How big would be a train engine (and bonus points if its determined that adding rail cars increases its size ranking?)

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found this to answer my 2nd question.

my concept is inverting the bank robbers trope by having bank robbers drive a train and then unload on a town, steal what they can and leave

Trying to simulate how to do broadside canons in dnd (as they will be on a car between the engines).

This might have been influenced by the old video games of metal slug. :p

edit: also any crazy ideas of pretending a train is a pirate ship are welcomed as well (the bandits are pirate cosplayers). :D
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Depends on the the train. A 0-4-2 (that's the wheel count, this would be a Disney-sized train) would easily be Huge, while a 2-8-0 (your typical wild west movie train) would be Gargantuan (there's bigger trains, but they're for hauling coal up and down mountains). Most boxcars are 50' long (actually 55-60', so 11-12 grid squares long), and passenger cars can be up to 80' long (16 grid squares long).


Lawyer by day. Rules lawyer by night.

It depends on which scale locomotive you're using.


Lord of the Hidden Layer
A 35-ton diesel locomotive - legally too small to run on normal right-of-way with a train but useable by a factory to move individual cars back and forth within plant property - would be a little bigger than a UPS or Amazon delivery van.

The standard distance between the rails in US is 4 ft 8 in. The width of the cars would be 5 or 6 feet. During the Wild West era, boxcars were 36 - 40 feet long.

I looked through D20 Modern, D20 Past, D20 Call of Cthulhu... and not one of these books thought of including any train as a vehicle. I am both surprised and disappointed.

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