O Gauge

Welcome to Our Giant Selection of OO Gauge & OO Scale Model Railways

Shop O gauge and O scale model railway supplies at Gaugemaster, where you’ll find our popular own brand designs alongside O gauge trains and O scale rolling stock, track, figures, and accessories from much-loved brands like Dapol, Heljan, Peco, and many more.

Find O gauge locomotives for both analogue and digital control, as well as both diesel and steam engines from a range of operators, including British Rail, GWR, Intercity, and a wide variety of regional railways. Whether you’re looking for a gift for a model railway enthusiast or you’re looking for the perfect finishing touch for your O gauge layout, you’re sure to find what you’re looking for at Gaugemaster, the model shop for big imaginations.

British O scale is usually 1:43.5 scale. Our collection doesn’t just include O gauge trains, but also O scale cars, buses, military vehicles, and even emergency vehicles from brands that produce models in this scale like Corgi and Oxford Diecast. Remember that O scale is bigger than OO scale, so always double check what you’re buying before purchasing.

Browse the full range of model railway scales at Gaugemaster today, including OO scale, N gauge, HO scale, TT scale, and more. Please don’t hesitate to contact us if you’re unsure which gauge or scale you’re looking for - we’ll be more than happy to help. And if you can’t find exactly what you’re looking for, we’ll always do our best to order it in for you, so you can create your dream O gauge layout.