CIE 071 Class/NIR Class 111

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Córas Iompair Éireann 071 class
Northern Ireland Railways 111 class
ŽS class 666
Iarnród Éireann No. 081 in new freight livery, March 2007
Type and origin
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD), London, Ontario, Canada
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)
October 1980 (NIR 111/112)
December 1984 (NIR 113)
Total produced 21
AAR wheel arr. C-C
UIC classification Co′Co′

1,600 mm (5 ft 3 in)

1,435 mm (4 ft 8 12 in)(Serbia)
Length 17.37 m (57 ft 0 in)
Locomotive weight 100.6 tonnes (99.0 long tons; 110.9 short tons)
Prime mover EMD 12-645E3C
Engine type 2-stroke diesel
Aspiration Mechanically-assisted turbocharger
Displacement 126.8 litres (7,740 cu in)
Generator AR10D3
Traction motors D77, 6 off
Cylinders V12
Cylinder size 230 mm × 254 mm (9 116 in × 10 in)
Performance figures
Maximum speed 145 km/h (90 mph)
Power output 1,680 kW (2,250 hp)
Tractive effort 289 kN (65,000 lbf) maximum
192 kN (43,000 lbf) at 24.3 km/h (15.1 mph) continuous
Locomotive brake Straight air
Train brakes 27-LAV air & vacuum
Operator(s) Iarnród Éireann
Northern Ireland Railways
Serbian Railways
Number(s) 071-088 (IÉ)
111-113 (NIR)
Locale Republic of Ireland and Northern Ireland; Serbia
No. 077 at Limerick Colbert, 2006
NIR no. 111 passes through Whiteabbey station

The Córas Iompair Éireann 071 Class or Northern Ireland Railways 111 Class is a General Motors Electro-Motive Division EMD JT22CW series diesel-electric locomotive used in both the Republic of Ireland and Northern Ireland.

Serbia utilises four similar locomotives as JŽ series 666.

Córas Iompair Éireann[edit]

The Córas Iompair Éireann 071 Class locomotives were the principal passenger locomotives on the Irish railway network for twenty years from their introduction in the late 1970s. They displaced the older CIÉ 001 Class and NIR 101 Class locomotives and were themselves replaced in turn by the new 201 Class locomotives.

Currently all the CIÉ locomotives remain in service, but are used on freight and permanent way trains. NIR 112 was on long term loan to Iarnród Éireann from April 2003 until September 2006 but has since returned to Northern Ireland Railways.

As of late 2006, IÉ began an overhaul programme of twelve units only, leaving the fate of their remaining six units in doubt. To date fourteen 071s have received the new 'Freight Livery’ however not all have received an overhaul. Those that have received a re-paint into the new livery are: Nos. 071, 072, 073, 074, 075, 076, 079, 080, 081, 082, 083, 085, 086 and 088.

On 14 and 15 November 2009 075 and a Tara Mines train was used in testing of the new bridge at Malahide.

Northern Ireland Railways[edit]

The Class 111 as they are known by NI Railways is identical to the Class 071. NI Railways has three of these locomotives, which are used for ballasting duties, as well as hauling the old "Gatwick Express" carriages. These locomotives are numbered 111, 112, and 8113. It is envisaged that all will be withdrawn from passenger services along with the rest of NIR's life expired rolling stock once the planned "New Trains 2010" units enter service.[1] In 2007, it was announced that NIR's three locomotives were to be converted to push-pull operation.[2] The DBSO driving trailer for this set was due to be delivered in 2009, leading to speculation that this set may remain in service after 2010, and may even see increased use in passenger service. In addition to their passenger duties, the locomotives are primarily used for permanent way or shunting.

Recently locomotive 111 was renumbered 8111 and it’s likely that 112 will be renumbered 8112.

Yugoslavia and Serbia[edit]

Four similar EMD JT22CW-2 locomotives are used by Serbian Railways, designated as ŽS series 666. They were originally intended by Yugoslav Railways for use with Tito's special Blue Train, hence their all blue livery. These locomotives differ from the Irish units in being standard gauge rather than Irish 1600mm gauge and having a full width car-body.[3] After dissolution of Yugoslavia, locomotives have been used to haul freight and passenger trains. Three locomotives are currently not operational and awaiting overhaul, while the 003 (Sutjeska) started running test rides in January 2015 after the overhaul in Kraljevo. On January 23, 2015 the 003 has reentered to service.[4]

Additional technical details[edit]

  • Auxiliary Alternator: D14
  • Auxiliary Generator: A-8147M1, 18 kW
  • Power at rail: 1,300 kW
  • Storage Battery: 32 cells, 420 ampere-hours
  • Bogies: Flexicoil
  • Wheel Diameter: 101.6 cm (40-inch)
  • Compressor / Exhauster: Model ABOV
  • Height over horn: 4.04 m (13 ft 3316 in)
  • Width: 2.89 m (9 ft 578 in)
  • Fuel Tank: 3,600 L (800 imp. gal)
  • Min Turning Radius: 50 m (164 ft)
  • Multiple working: To AAR, with all IÉ & NIR GM locos
  • Nos. 111 and 112 were modified by NIR to provide head end power to coaching stock in the early 1990s, however this capability was seldom used and is now isolated.
A 111 Class hauling a rake of Mark2s at Adelaide, in 1988 on the Enterprise.


Subclass Number built Number range Operators Notes
071 Class 18 071-088 Iarnród Éireann Freight 12 locomotives overhauled
087 stored
Class 111 3 8111-8113 Northern Ireland Railways
JŽ/ŽS Class 666 4 001-004 Jugoslovenske Železnice/Železnice Srbije

Locomotive names[edit]

All three NIR locomotives are named after former railway companies. Only one of the IE locomotives is named. Details are as follows:

No. Name
082 Cumann Na nInnealtoiri / The Institution Of Engineers Of Ireland
8111 Great Northern
112 Northern Counties
8113 Belfast & County Down

All four Class 666 locomotives of Yugoslav Railways were named after toponyms important for People's Liberation War.

No. Name
666-001 Dinara
666-002 Kozara
666-003 Sutjeska
666-004 Neretva

Accidents and incidents[edit]

  • On 1 August 1980, locomotive 075 was hauling a passenger train which was derailed at Buttevant, County Cork, killing eighteen and injuring 62 people.[5]
  • On 21 August 1983, locomotive 086 was hauling a passenger train which ran into the back of a passenger train near Cherryville Junction, County Kildare. Seven people were killed and 55 were injured.[6]


The 071 Class was available as a 00 gauge Resin kit by Model Irish Railways (MIR) but is no longer made. It included transfers, brass detailing (railings, fans, grills) and flush glazing. Note the paint included is the Golden Brown hue and not the existing deep orange (RAL2011).[7]

Murphy Models have announced plans to release an '00' gauge ready to run model of the 071 class. This will be available from October 2012.[8]

Both the 071 and 111 class have been produced as player drivable locomotives in the Microsoft Train Simulator add-on, "Irish Enterprise North" by Making Tracks.[5]

See also[edit]


External links[edit]

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