[2] The S2 locomotives were allocated the names Lugnaquilla, Carlingford, and Mount Hamilton, but they were never carried.

Much of the GNR network was closed in 1957 and the remaining system was split between Córas Iompair Éireann (CIÉ) and the Ulster Transport Authority (UTA) in 1958, with the fleet divided as equally as possible between the two parties.

In January 2014 the locomotive was transported to Railway Restoration North East Ltd in Shildon, County Durham, which began overhaul until they went insolvent.

On July 27th 2024, 171 ran under her own steam for the first time since 2002, running back and forth at the platform at Whitehead to spread oil through her bearings.

It includes transfers, brass etches and cast white metal parts.