Believe it or not, I am planning on making a wiki for the range. 
But there are good websites out there, just make sure you've got an online translator.
This is a pretty in-depth fansite, and even though it hasn't had an update since the middle of this year, you should find what you want.
The official Capsule Plarail mini-site is also well archived. It might take a bit of getting used to, and there's even a specific Thomas mini-site.

But there are good websites out there, just make sure you've got an online translator.
This is a pretty in-depth fansite, and even though it hasn't had an update since the middle of this year, you should find what you want.
The official Capsule Plarail mini-site is also well archived. It might take a bit of getting used to, and there's even a specific Thomas mini-site.