CIÉ 071 Class

Córas Iompair Éireann 071 class Northern Ireland Railways 110 class ŽS class 666
Iarnród Éireann No. 076 in the current Irish rail livery at Rathmore, April 2016
Type and origin Power type Diesel–electric Builder General Motors Electro Motive Division, La Grange, Illinois, USA Serial number 713736–713753 (CIÉ 071-088) 798072-1, 798072-2 (NIR 111/112) 838084-1 (NIR 113) Model JT22CW Build date July 1976 (CIÉ 071-088) 1978 (JŽ/ŽS) October 1980 (NIR 111/112) December 1984 (NIR 113) Total produced 18 (CIÉ/IÉ) 3 (NIR) 4 (JŽ/ŽS/SV)
Specifications Configuration: ​  • AAR C-C  • UIC Co′Co′ Gauge 1,600 mm (5 ft 3 in) 1,435 mm (4 ft 8+1⁄2 in) standard gauge (Serbia) Length 17.37 m (57 ft 0 in) Loco weight 100.6 tonnes (99.0 long tons; 110.9 short tons) Prime mover EMD 12-645E3B, later 12-645E3C Engine type V12 2-stroke diesel Aspiration Mechanically-assisted turbocharger Displacement 126.8 litres (7,740 cu in) Generator AR10D3 Traction motors D77, 6 off Cylinders 12 Cylinder size 230 mm × 254 mm (9+1⁄16 in × 10 in) Loco brake Straight air Train brakes 27-LAV air & vacuum
Performance figures Maximum speed 145 km/h (90 mph), Power output 1,830 kW (2,450 hp) Tractive effort 289 kN (65,000 lbf) maximum 192 kN (43,000 lbf) at 24.3 km/h (15.1 mph) continuous
Career Operators Iarnród Éireann Northern Ireland Railways Serbian Railways Numbers 071–088 (IÉ) 111–113 (NIR) 001–004 (JŽ/ŽS/SV) Locale Republic of Ireland Northern Ireland Serbia Yugoslavia

The Córas Iompair Éireann/Iarnród Éireann 071 Class or Northern Ireland Railways 110 Class or Serbian Railways JŽ series 666 is a General Motors Electro-Motive Division EMD JT22CW series diesel–electric locomotive used in the Republic of Ireland, Northern Ireland and Serbia.