Originally built in 1864 by Fletcher, Jennings & Co. of Whitehaven as an 0-4-0ST, “Talyllyn” had a short wheelbase and long rear overhang which led to its rapid conversion to an 0-4-2ST. As the more popular of the line’s two original locos “Talyllyn” was in very poor condition by 1945 when it was laid aside. It was rebuilt in 1957-58 by Gibbons Bros. Ltd. but proved problematic and has undergone considerable modification since then, resulting in a much improved performance.
CURRENT STATUS: Boiler certificate expired 18th June, 2018. The overhaul is currently underway, with the locomotive expected to return in a striking Great Eastern blue livery!
| Maker | Fletcher, Jennings & Co. |
| Year | 1864 |
| Works number | 42 |
| Type | 0-4-2ST |
| Driving wheel diameter | 2′ 4″ |
| Trailing wheel diameter | 1′ 9″ |
| Coupled wheelbase | 4′ 0″ |
| Total wheelbase | 9′ 0″ |
| Cylinder size (bore/stroke) | 8 5/8 x 16″ |
| Heating surface | 156 sq. ft. |
| Working pressure | 160 psi |
| Tractive effort @ 85% BP | 5780 lbs |
| Weight | 12 Tons |
| Length over buffers | 18′ 1/2″ |
