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'.

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: 5d 14h 37m
Buy It Now for only: $94.00
RS Laser Kits 1031 O O Scale 1880s Old Town Shop Craftsman Kit
RS Laser Kits 1031 O O Scale 1880s Old Town Shop Craftsman Kit
$38.00
Time Remaining: 9d 4h 34m
Buy It Now for only: $38.00
O On30 On2 On3 Scale BANTA MODELWORKS 6190 Chillerys Cafe model kit
O On30 On2 On3 Scale BANTA MODELWORKS 6190 Chillerys Cafe model kit
$98.00
Time Remaining: 9d 13h 52m
Buy It Now for only: $98.00
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
$32.74
Time Remaining: 14d 9h 31m
Buy It Now for only: $32.74
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: 14d 10h 56m
Buy It Now for only: $54.95
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: 16d 8h 14m
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: 21d 19h 1m
Buy It Now for only: $95.00

Other On30 Scale train items recently purchased through this site:

S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
RS Laser Kits 1031 O O Scale 1880s Old Town Shop Craftsman Kit
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
O On30 On2 On3 Scale BANTA MODELWORKS 6190 Chillerys Cafe model kit
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY