The method described above works for the newer trucks with metal housings. If your Shay is of the older variety (identified by either 6 or 8 visible screws on the bottom face of the truck), there are four screws that hold the truck body to the "saddle" or "bolster". Try looking at George Schreyers excellent information here:
http://www.girr.org/girr/tips/tips1/shay_tips.html
Depending on why you want to remove the trucks, there is a lot of information on different "issues" which have arisen over time. Search the forum for "shay truck" and you may find other useful info that could help you in your quest.
http://www.girr.org/girr/tips/tips1/shay_tips.html
Depending on why you want to remove the trucks, there is a lot of information on different "issues" which have arisen over time. Search the forum for "shay truck" and you may find other useful info that could help you in your quest.