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

S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
$54.95
Time Remaining: 4d 2h 55m
Buy It Now for only: $54.95
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: 4d 11h 59m
Buy It Now for only: $120.00
On30 Narrow Gauge Fire Station Late 1800s Early 1900s Fire Station O Scale
On30 Narrow Gauge Fire Station Late 1800s Early 1900s Fire Station O Scale
$110.00
Time Remaining: 5d 6h 11m
Buy It Now for only: $110.00
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: 17d 6h 37m
Buy It Now for only: $94.00
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: 22d 6h 22m
Buy It Now for only: $54.00
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
$95.00
Time Remaining: 29d 17h 8m
Buy It Now for only: $95.00
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
$276.45
Time Remaining: 32d 11h 1m
Buy It Now for only: $276.45
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
$45.16
Time Remaining: 32d 11h 3m
Buy It Now for only: $45.16

Other On30 Scale train items recently purchased through this site:

S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
On30 Narrow Gauge Fire Station Late 1800s Early 1900s Fire Station O Scale
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122