Nicole,
I believe that WD-40 would be a good cleaner and paint restorer on the paint of tinplate trains. It does a heck of a job of removeing bugs, tar, and other road grime on automobiles without damage to your cars paint.
If it doesn't hurt the paint on a 30K,40K, maybe more automobile, I would think it would be safe on the paint of tinplate trains, cleaning and restoring the original paint lustre and giving it a beautiful shine.
This is just my opinion.
Thanks,
John
Originally Posted by N.Q.D.Y.:
I've found that WD-40 is great for cleaning and restoring the lustre to postwar metal locomotive shells. Just spay it on, leave for a moment or two, and then polish off with a soft cloth to restore that as-delivered finish.