Here's the version I built for my S-gauge locos. Similar in concept to what others have shown, except that I don't need a center rail pick-up, so it was easier to remount the rollers on wooden stands, which makes for a much more solid operation. Here's the link to my previous post about a year ago:
https://ogrforum.ogaugerr.com/...c/131926382613123531
- Rich