CIE 141 Class

The Córas Iompair Éireann 141 class locomotives were delivered in November and December 1962 from General Motors Electro Motive Division (EMD), the first consignment being unloaded at the North Wall, Dublin on 22 November. They were numbered B141 to B177 and were an updated version of the earlier 121 Class locomotives, mechanically very similar but with cabs at each end.

They are EMD model JL8 (J = Double Ended Cabs, L = Lightweight Frame, 8= 8-cylinder 567 engine) and although originally fitted with an EMD 8-567CR engine of , all were later fitted with 645 type "power packs" (piston & liner assemblies) for parts standardisation. The original power output was kept for reliability reasons. They weighed 67 tonnes and had a maximum speed of . Many of these locomotives were later rebuilt with a GM 8-645E engine of (as used in the re-engined Class C locomotives), though some have since had the original engine refitted. The locomotives were delivered in the new livery of brown/black/white.

Following crew training trials between Inchicore and Monasterevin (passenger trains), Kildare (goods trains), and Hazelhatch (light engines), the class appeared on main line trials from Amiens Street (Connolly) to Drogheda, and Westland Row (Pearse) to Arklow on 4 December 1962, entering traffic on the Dublin to Cork main line four days later. The locomotives were fitted for multiple working and double-headed the 10:40 Dublin to Cork train and the return Cork to Dublin at 15:30. ...
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