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CIE 071 Class
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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 countries in Ireland.
Serbia utilises four similar locomotives as JŽ series 666.
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.
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Encyclopedia
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 countries in Ireland.
Serbia utilises four similar locomotives as JŽ series 666.
Córas Iompair Éireann
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, with occasional appearances on second-tier passenger duties. NIR 112 was on long term loan to Iarnrod 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 ten 071s have received the new 'Freight Livery’; they are Nos. 071, 073, 075, 079, 080, 081, 082, 085, 086 and 088.
Northern Ireland Railways
The Class 111 as they are known by NI Railways are 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. From the available information, it appears 8113 will never return to service and has been cannibalised to provide spares for the other two in the class. 112 has recently been given a repaint, however has caused havoc recently on the rail network during early morning peak times, causing delays to all following services. Hence, it has been replaced by 111 on the early morning Portadown to Belfast Central route. 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. In 2007, it was announced that NIR's three locomotives were to be converted to push-pull operation. The DBSO driving trailer for this set is 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.
Additional technical details
- Model Type EMD JT22CW
- Auxiliary Alternator: D14
- Auxiliary Generator: A-8147M1, 18 kW
- Power at rail: 1,300 kW
- Storage Battery: MS280, 32 cells, 280 ampere-hours (Ah), later increased to 420 Ah for improved engine starting
- Bogies: Flexicoil
- Wheel Diameter : 101.6cm (40-inch)
- Compressor / Exhauster: Model ABOV
- Height over horn: 4.04 m (13 ft 3 in)
- Width: 2.89 m (9 ft 5 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.
Turbo-Supercharger
This locomotive is fitted with a two stage Turbocharger. At low engine speeds, there is insufficient energy in the exhaust gases to drive the turbo, which instead is driven via a shaft from the engine. Above 600 rpm, the shaft drive is disengaged by means of a torque-operated clutch and the turbo is driven solely by the exhaust gases, this prevents the power required to drive the turbo being absorbed directly from the engine.
Purge Control
Purge Control prevents possible damage to the engine during start-up. The two starter motors initially rotate the engine at slow speed allowing any water within the engine cylinders, which could cause a hydraulic lock, to be expelled. If the Starter motors fail to start the locomotive after twenty seconds, then the motors must be left to cool off for two minutes before trying to start the engine again.
Locomotive names
All three NIR locomotives are named after former railway companies. Only one of the IE locomotives is named. Details are as follows:
Model
The 071 Class is currently available as a 00 gauge Resin kit by Model Irish Railways (MIR). It includes transfers, brass detailing (railings, fans, grills) and flush glazing. Note that the paint included is the Golden Brown hue and not the existing deep orange (RAL2011).
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.
Serbia
Four similar locomotives (slightly modified and designated EMD JT22CW-2) are used by Serbian Railways, designated as ŽS series 666. They were originally intended 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 1600mm gauge.
See also
External links
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