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.