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

ON30 AMS Tank Car Shell SCCX A 09
ON30 AMS Tank Car Shell SCCX A 09
$45.00
Time Remaining: 17d 11h 25m
Buy It Now for only: $45.00
ON30 AMS Tank Car Standard Oil 106
ON30 AMS Tank Car Standard Oil 106
$45.00
Time Remaining: 19d 14h 32m
Buy It Now for only: $45.00
ON30 AMS Flat Car Nevada County Narrow Guage NCNG 433
ON30 AMS Flat Car Nevada County Narrow Guage NCNG 433
$45.00
Time Remaining: 19d 15h 12m
Buy It Now for only: $45.00
ON30 AMS Flat Car Nevada County Narrow Guage NCNG 401
ON30 AMS Flat Car Nevada County Narrow Guage NCNG 401
$45.00
Time Remaining: 19d 15h 13m
Buy It Now for only: $45.00
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3470
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3470
$45.00
Time Remaining: 21d 9h 42m
Buy It Now for only: $45.00
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3262
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3262
$45.00
Time Remaining: 21d 9h 44m
Buy It Now for only: $45.00
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3146
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3146
$45.00
Time Remaining: 21d 9h 54m
Buy It Now for only: $45.00
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3438
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3438
$45.00
Time Remaining: 21d 9h 57m
Buy It Now for only: $45.00

Other On30 Scale train items recently purchased through this site:

ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3438
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3262
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3146
ON30 AMS Flat Car Nevada County Narrow Guage NCNG 433
ON30 AMS 3000 Series Box Car Denver and Rio Grande Western DRGW 3470
ON30 AMS Tank Car Standard Oil 106
ON30 AMS Tank Car Shell SCCX A 09
ON30 AMS Flat Car Nevada County Narrow Guage NCNG 401