Quoted from JustageFehler:
I'm working on a jig for the dolly that displays the cab upright-- And has the glass 90 degrees vertical...
A photo or two, would help.
The games are designed to be stored in a vertical position, with the back box sitting on the front panel. If you have made a frame to hold the pin on its coin door panel, a great suggestion would be to protect the plunger, coin plates, and coin door from being damaged or scratched.