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'.

NEW Hawthorne Village ON30 Scale 2 6 0 Loco  Tender Christmas Express Bundle
NEW Hawthorne Village ON30 Scale 2 6 0 Loco Tender Christmas Express Bundle
$125.00
Time Remaining: 1d 4h 49m
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 25227
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 25227
$149.76
Time Remaining: 32d 12h 9m
Buy It Now for only: $149.76
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog White Pass  Yukon 56 25250
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog White Pass Yukon 56 25250
$149.76
Time Remaining: 32d 12h 9m
Buy It Now for only: $149.76
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
$149.76
Time Remaining: 32d 12h 9m
Buy It Now for only: $149.76
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready DRGW 29301
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready DRGW 29301
$262.65
Time Remaining: 32d 12h 14m
Buy It Now for only: $262.65
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready Painted Black 29304
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready Painted Black 29304
$262.65
Time Remaining: 32d 12h 14m
Buy It Now for only: $262.65
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready Bumble Bee 29302
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready Bumble Bee 29302
$262.65
Time Remaining: 32d 12h 14m
Buy It Now for only: $262.65
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready PRR 29303
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready PRR 29303
$262.65
Time Remaining: 32d 12h 14m
Buy It Now for only: $262.65

Other On30 Scale train items recently purchased through this site:

Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready DRGW 29301
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready Painted Black 29304
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready PRR 29303
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 25227
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog White Pass Yukon 56 25250
Bachmann On30 Scale Train Steam Loco 2 6 0 DCC Sound Ready Bumble Bee 29302
NEW Hawthorne Village ON30 Scale 2 6 0 Loco Tender Christmas Express Bundle