The difference between O gauge and O27 gauge can be rather confusing, and there are a number of misconceptions out there about O27 especially. Let’s take a look at O gauge vs O27.
O27 always had a connotation of being a cheaper, entry-level train. But what constitutes an O27 train in modern times definitely varies from the 1950s. Lionel discontinued both O and O27 track types in 2015, after approximately 100 and 85 years of production, respectively.









