CIE 181 Class

Córas Iompair Éireann 181 class

187 at Inchicore, 2002
Type and origin
Power type Diesel-electric
Builder General Motors Electro Motive Division, La Grange, Illinois, USA
Order number 710408–710419
Serial number 31248–31259
Model JL18
Build date 1966
Total produced 12
AAR wheel arr. Bo-Bo
UIC class Bo′Bo′
Gauge 5 ft 3 in (1,600 mm)
Wheel diameter 40 in (1,016 mm)
Loco weight 67 tonnes (66 long tons; 74 short tons)
Prime mover EMD 645E
Engine type Two-stroke diesel
Traction motors Axle-hung, nose-suspended, 4 off
Cylinders 8
Transmission Electric
Train brakes Air & Vacuum
Performance figures
Maximum speed 120 km/h (75 mph))
Power output 1,100 hp (820 kW)
Tractive effort 170 kN (38,000 lbf) starting,
119 kN (27,000 lbf) continuous at 18 km/h (11 mph)
Operators Córas Iompair Éireann
Iarnród Éireann
Numbers B181–B192 (later 181–192)
Withdrawn 1991–2009
Disposition Eleven scrapped, one preserved (190)

The Córas Iompair Éireann 181 Class locomotives were built in 1966 by General Motors Electro-Motive Division(EMD) and numbered B181 to B192.

These locomotives were virtually identical to the earlier 141 Class locomotives, but fitted with the more powerful 645 engine and thermostatically controlled engine cooling fan and inlet shutters. Delivery took place in 1966, with introduction into service happening a short time later.

They were fitted with an EMD 8-645E engine of 1100 hp,[1] weighed 67 tonnes (66 long tons; 74 short tons), and had a maximum design speed of 143 km/h (89 mph) which was restricted to 120 km/h (75 mph) in service. Number 186 was later fitted with an EMD 8-567CR engine of 960 hp (720 kW), as used in the 141 Class locomotives.

All of the 181 class have been withdrawn, the first being 191 in 1991 after a runaway incident at Clonsilla; it was later scrapped in 1998.[2] The last was 190 in November 2009 and has been preserved by the Irish Traction Group.[3] In their final days they were only used on permanent way trains or as pilots.

Accidents and incidents


Murphy Models commissioned Bachmann to produce an '00' gauge model of these locomotives.[5] This model first was released in December 2007. It has been done in all four main liveries worn by the class.


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Loco 185 at Inchicore, 2002
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