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

HO Gauge Bachmann White Pass  Yukon Set
HO Gauge Bachmann White Pass Yukon Set
$289.99
Time Remaining: 11h 25m
Buy It Now for only: $289.99
Northwest Short Line 28046 On30 Replacement Gear Set for Bachmann Railbus
Northwest Short Line 28046 On30 Replacement Gear Set for Bachmann Railbus
$34.95
Time Remaining: 19h 17m
Buy It Now for only: $34.95
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
$89.95
Time Remaining: 1d 14h 56m
Buy It Now for only: $89.95
Logging Camp Cook Bunk House Set Thomas Yorke Scale Model Masterpieces On3 NEW
Logging Camp Cook Bunk House Set Thomas Yorke Scale Model Masterpieces On3 NEW
$149.95
Time Remaining: 1d 16h 33m
Buy It Now for only: $149.95
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM011
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM011
$142.45
Time Remaining: 2d 17h 59m
Buy It Now for only: $142.45
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM022
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM022
$149.95
Time Remaining: 3d 13h 59m
Buy It Now for only: $149.95
Hawthorne Village Spirit of America Train set
Hawthorne Village Spirit of America Train set
$250.00
Time Remaining: 3d 14h 21m
Buy It Now for only: $250.00
Bachmann Santas eXpress set in on30 beat the Christmas rush
Bachmann Santas eXpress set in on30 beat the Christmas rush
$79.95
Time Remaining: 4d 9h 7m
BACHMANN EZ TRACK Set 12 Curves 5 Straights Pwr Pack Controller NEW
BACHMANN EZ TRACK Set 12 Curves 5 Straights Pwr Pack Controller NEW
$39.98
Time Remaining: 4d 12h 39m
Buy It Now for only: $39.98
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM033
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM033
$149.95
Time Remaining: 4d 15h 36m
Buy It Now for only: $149.95
Bachmann Hawthorne Village MCDONALDS Electric Train Set
Bachmann Hawthorne Village MCDONALDS Electric Train Set
$250.00
Time Remaining: 5d 7m
Buy It Now for only: $350.00
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM044
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM044
$149.95
Time Remaining: 5d 13h 59m
Buy It Now for only: $149.95
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
$325.00
Time Remaining: 6d 16h 15m
Buy It Now for only: $325.00
Narrow Gauge Cumbres  Toltec 6 CD PHOTO SET 1300 JPEGS
Narrow Gauge Cumbres Toltec 6 CD PHOTO SET 1300 JPEGS
$29.99
Time Remaining: 7d 15h 7m
Buy It Now for only: $29.99
ENHANCED Spectrum On30 CS set
ENHANCED Spectrum On30 CS set
$449.00
Time Remaining: 12d 14h 23m
Buy It Now for only: $449.00
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set O 148
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set O 148
$142.45
Time Remaining: 12d 17h 35m
Buy It Now for only: $142.45
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
$425.95
Time Remaining: 15d 8h 15m
Buy It Now for only: $425.95
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
$500.00
Time Remaining: 15d 11h 9m
Buy It Now for only: $500.00
Busch 12012 H0f Field Railway Field Railway Start Set Timber Transport
Busch 12012 H0f Field Railway Field Railway Start Set Timber Transport
$205.89
Time Remaining: 16d 13h 53m
Buy It Now for only: $205.89
TRAIN SET 4 HAWTHORNE VILLAGE SPIRIT OF AMERICA SET OF 4 NEW COLLECTIBLE
TRAIN SET 4 HAWTHORNE VILLAGE SPIRIT OF AMERICA SET OF 4 NEW COLLECTIBLE
$100.00
Time Remaining: 19d 11h 11m
Buy It Now for only: $100.00
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM01
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM01
$149.95
Time Remaining: 20d 16h 11m
Buy It Now for only: $149.95

Other On30 Scale train items recently purchased through this site:

ENHANCED Spectrum On30 CS set
Hawthorne Village Train Set Spirit of America
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM02
BACHMANN EZ TRACK Set 12 Curves 5 Straights Pwr Pack Controller NEW
TRAIN SET 4 HAWTHORNE VILLAGE SPIRIT OF AMERICA SET OF 4 NEW COLLECTIBLE
Hawthorne Village Spirit of America Train set
Bachmann Hawthorne Village MCDONALDS Electric Train Set
ENHANCED Bachmann On30 Thomas Kinkade Christmas Express set
On30 Scale Ultimate Railroad Prototype Picture CD Collection Set 25000+ images
Bachmann Hawthorne Village SPIRIT OF AMERICA 13 Train Set + Track
Narrow Gauge Cumbres Toltec 6 CD PHOTO SET 1300 JPEGS
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
Bachmann Santas eXpress set in on30 beat the Christmas rush
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
BACHMANN HAWTHORNE VILLAGE ON30 BUDWEISER STEAM SET NEW LOT 15321
bachmann on30 Village Street Car Set With Extra Track Christmas O Scale
HO Gauge Bachmann White Pass Yukon Set
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
Northwest Short Line 28046 On30 Replacement Gear Set for Bachmann Railbus
Busch 12012 H0f Field Railway Field Railway Start Set Timber Transport
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM033
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM044
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM022
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set SMM04