I have two new gear boxes for thew older shay,the gears broke in both gear boxes. How do the gear boxes come off from the bottom of the Shay??
Hope this helps.
http://www.amrline.com/showthread.php/15789-Dissassembly-of-a-Bachmann-shay
Jerry
Maybe it won't, just saw your post in the Large board try this instead.
http://hyaklocoworks.weebly.com/bachmann-2t-shay.html