We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for '0 scale'.

Other On30 Scale train items recently purchased through this site:

On30 Scale Denver Rio Grande Western 2 8 0 345 by Broadway Limited
0n30 Scale Bachmann Spectrum United Traction closed streetcar trolley train
On30 Scale Bachmann Spectrum 2 6 0 STEAM ENGINE 25229 OHIO RIVER WESTERN 16
On30 Scale Denver Rio Grande Western 2 8 0 278 by Broadway Limited
NEW Hawthorne Village ON30 Scale 2 6 0 Loco Tender Christmas Express Bundle