Tal-y-llyn Railway No. 2 "Dolgoch" is a Fletcher Jennings & Co Class BB 0-4-0 Narrow-gauge Well-Tank locomotive built in 1866 for the Tal-y-llyn Railway. This locomotive is preserved and continues operating on it's original line, with it's sister engine built by the same company, Talyllyn.
This locomotive was also briefly renamed to "Pretoria", and carried the name from 1900 to 1914, before being changed back to

Dolgoch".
The locomotive's namesake is Dolgoch Falls, which is a location on the Tal-y-llyn railway.
Dolgoch is a very old locomotive, Very pretty though!
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