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

On30 Logging Steam Engine 2 Track Shay custom weathered with DCC lot 4
On30 Logging Steam Engine 2 Track Shay custom weathered with DCC lot 4
$375.00
Time Remaining: 1d 23h 6m
On30 25657 Two Truck Shay Locomotive Greenbrier  Big Run Lumber Pre owned
On30 25657 Two Truck Shay Locomotive Greenbrier Big Run Lumber Pre owned
$159.00
Time Remaining: 3d 18h 32m
NWSL ON30 BACHMANN SHAY REGEAR KIT 2801 6
NWSL ON30 BACHMANN SHAY REGEAR KIT 2801 6
$25.00
Time Remaining: 5d 21h 47m
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
$119.95
Time Remaining: 14d 11h 19m
Buy It Now for only: $119.95
On30 WISEMAN MODEL SERVICES 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT
On30 WISEMAN MODEL SERVICES 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT
$119.95
Time Remaining: 19d 19h 54m
Buy It Now for only: $119.95

Other On30 Scale train items recently purchased through this site:

NWSL ON30 BACHMANN SHAY REGEAR KIT 2801 6
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
On30 Logging Steam Engine 2 Track Shay custom weathered with DCC lot 4
On30 WISEMAN MODEL SERVICES 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT
On30 25657 Two Truck Shay Locomotive Greenbrier Big Run Lumber Pre owned