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

O S Wiseman Models Metal Engine Kits Narrow Gauge
O S Wiseman Models Metal Engine Kits Narrow Gauge
$40.00
Time Remaining: 1d 11h 38m
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
$89.95
Time Remaining: 1d 17h 7m
Buy It Now for only: $89.95
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
$94.00
Time Remaining: 4d 8h 35m
Buy It Now for only: $94.00
On3 On30 O CUSTOM BUILT SKELLEYS CORNER BAR  LOUNGE
On3 On30 O CUSTOM BUILT SKELLEYS CORNER BAR LOUNGE
$189.95
Time Remaining: 4d 15h 52m
Buy It Now for only: $189.95
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
$120.00
Time Remaining: 8d 13h 57m
Buy It Now for only: $120.00
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
$54.00
Time Remaining: 9d 8h 20m
Buy It Now for only: $54.00
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 12d 15h 21m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 12d 15h 23m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$32.75
Time Remaining: 12d 15h 25m
Buy It Now for only: $32.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 12d 15h 26m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 12d 15h 38m
Buy It Now for only: $30.75
Hangman Creek Lumber Company DVD HO HOn3 S Sn3 O On3 On30 Narrow Gauge
Hangman Creek Lumber Company DVD HO HOn3 S Sn3 O On3 On30 Narrow Gauge
$28.50
Time Remaining: 20d 16h 20m
Buy It Now for only: $28.50
O On3 On30 1 48 WISEMAN MODELS OKT 34 1920S FRUEHAUF SEMI VAN TRAILER KIT
O On3 On30 1 48 WISEMAN MODELS OKT 34 1920S FRUEHAUF SEMI VAN TRAILER KIT
$39.95
Time Remaining: 24d 19h 46m
Buy It Now for only: $39.95

Other On30 Scale train items recently purchased through this site:

O S Wiseman Models Metal Engine Kits Narrow Gauge
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
O On3 On30 1 48 WISEMAN MODELS OKT 34 1920S FRUEHAUF SEMI VAN TRAILER KIT
Hangman Creek Lumber Company DVD HO HOn3 S Sn3 O On3 On30 Narrow Gauge
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
On3 On30 O CUSTOM BUILT SKELLEYS CORNER BAR LOUNGE
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale