Hello, I've been an avid model railroader for about 30 years now, and specialize in HO super-detailed locomotives and rolling stock. I'm in the process of converting my fleet to semi-scale, using Serg

The closest I've been able to find are Japanese-prototype Shibata couplers from Kato and Tomix, which look more like Scharfenberg couplers than N-2-A. They're quite a bit oversized in Japanese HO (1/8

Yes! I've had that happen, too. Sometimes the arm on the back of the knuckle wears down or the end breaks off, and it no longer hits the stop inside the coupler head. When this happens, the knuckle ca