O gauge model trains are great for playing and collecting. Running on three-rail track and powered by alternating current, your model railroad will last a lifetime.
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Featured Manufacturers: Atlas - K-Line - Lionel - MTH - Weaver - Williams
Eras - We've got them all! O Modern - O MPC - O Postwar - O Prewar
To view all clearance O Gauge items, click here.
Trainz carries model trains from multiple O gauge manufacturers, including Lionel, MTH, Atlas, 3rd Rail, Weaver, K-Line, Menards, and more.
Search our site to find O gauge steam locomotives, diesel locomotives, and electric locomotives. We stock O gauge passenger cars, freight cars, operating cars, and motorized units.
Trainz offers O gauge transformers and controllers including the famous Lionel ZW, TMCC, and Legacy systems as well as MTH Z4000 and DCS units and more.
Turn your unwanted O Scale Trains into extra cash with ease by visiting Sellmytrains.com - no collection too big!