Will older locomotives and rolling stock run on Code 55 N Gauge track?

Older locomotives and rolling stock may not be compatible with Code 55 N Gauge track. This is because Code 55 track has a finer rail profile than older types of track, thus it may not be able to accommodate the wheels of older models. This can result in poor performance, such as wheels derailing or not making proper contact with the rails.

It is good practice to check the compatibility of your older locomotives and rolling stock with Code 55 track before purchasing it. You can usually find this information from the manufacturer or by consulting with other railway modellers or your local Club or association who will have knowledge and experience with the specific models you are using.

Another option is to use the older locomotives and rolling stock on the Code 80 track instead of Code 55, as the Code 80 track has a bigger rail profile, it may be better suited to operating with older models.

It's also worth noting that, even if your older locomotives and rolling stock are compatible with Code 55 track, they may not perform as well as they would on older types of track. So, if you're looking for optimal performance, it may be best to use newer models that are specifically designed to run on Code 55 track.