The most recent addition to the Tal-y-Llyn, I remember seeing Tom Rolt back in the 1980's as a rusty hulk named 'Irish Pig' the boiler of which formed the basis of this essentiallyTom Rolt, departing Tywyn Wharf at 3pm for Nant Gwernol. In 1969 the Talyllyn Railway purchased an 0-4-0 well tank engine from Bord na Móna unofficially named Irish Pete. The new engine was built at Pendre works in 1991using the frames, boiler, driving wheels, cylinders and other parts of the 0-4-0 well tank engine from Bord na Móna. The new engine became an 0-4-2 side tank and was named Tom Rolt. new locomotive.