Garratts were one of the most successful articulated locomotive types worldwide. In this episode, we briefly cover the history of Herbert W. Garratt's brainchild, followed by a chat with Huw Jones of the Welsh Highland Railway, who works full time keeping the NGG16s in traffic. Huw tells us about the idiosyncrasies of the Garratt design, and what makes them different to a regular loco.

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