O Gauge Trains
O Gauge is one of the most common model train scale in production today and is widely associated with Christmas.
Most of these trains run on 3-rail tracks and use AC electricity for power. O Gauge has the most diverse use of scales and tracks from finely detailed realistic scales to toys where scale isn't very strictly followed.
Lionel trains are almost synonyms with O Gauge toy trains. Check out our mind-boggling selection of O Gauge Trains that span many eras including Modern, MPC, Postwar, Prewar, On30, and OO gauge.
If you are looking for true 1:48 proportion O scale trains that run on two rail track, check out our dedicated O Scale 2-Rail collection.
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