We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for '4-6-0'.

On30 4 6 0 STEAM SV O B ETWNC 12  BAC28904 ORGINAL BOX Retail53900
On30 4 6 0 STEAM SV O B ETWNC 12 BAC28904 ORGINAL BOX Retail53900
$394.87
Time Remaining: 11d 47m
Buy It Now for only: $394.87
On30 4 6 0 BALDWIN SV O B P U  BAC28902 ORGINAL BOX Retail 53900
On30 4 6 0 BALDWIN SV O B P U BAC28902 ORGINAL BOX Retail 53900
$394.87
Time Remaining: 11d 47m
Buy It Now for only: $394.87
On30 4 6 0 STEAM SV O B GBR  BAC28906 ORGINAL BOX Retail 53900
On30 4 6 0 STEAM SV O B GBR BAC28906 ORGINAL BOX Retail 53900
$394.87
Time Remaining: 11d 47m
Buy It Now for only: $394.87
On30 4 6 0 STEAM SV O B GBR BACHMANN 28906 NEW IN BOX Retail 53900
On30 4 6 0 STEAM SV O B GBR BACHMANN 28906 NEW IN BOX Retail 53900
$349.00
Time Remaining: 28d 6h 53m
Buy It Now for only: $349.00

Other On30 Scale train items recently purchased through this site:

On30 4 6 0 STEAM SV O B ETWNC 12 BAC28904 ORGINAL BOX Retail53900
On30 4 6 0 BALDWIN SV O B P U BAC28902 ORGINAL BOX Retail 53900
On30 4 6 0 STEAM SV O B GBR BAC28906 ORGINAL BOX Retail 53900
On30 4 6 0 STEAM SV O B GBR BACHMANN 28906 NEW IN BOX Retail 53900