Looking for tank car details...

[ironstef70]

I am planning to make a few custom tank cars as next long term project, and looking for the following parts: Upper tank hatches / valves / safety placards supports / air tanks and such specific details.

I do have brake wheels (Miniatures from Eric) and etched walkways (plano) but I am wondering about the best supplier for the above. they can be resin or brass, not matter the material (I wouldn't even mind aluminum or steel).

Thanks.

Stephane