| Northern Ireland Railways / Irish Rail 201 Class |
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201 Class 228 at Lanyon Place (Formerly Belfast Central) in current Enterprise livery in 2016 |
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| Specifications |
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Configuration:
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| • AAR | C-C |
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| • UIC | Co′Co′ |
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| Gauge | 1,600 mm (5 ft 3 in) |
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| Trucks | GC bogies |
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| Wheel diameter | 1,016 mm (40 in) |
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| Length | 20.955 m (68 ft 9 in) |
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| Width | 2.64 m (8 ft 8 in) |
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| Height | 4.02 m (13 ft 2+1⁄4 in) |
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| Loco weight | 108.862 tonnes (107.1 long tons; 120.0 short tons) |
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| Fuel capacity | 4,500 litres (990 imp gal; 1,200 US gal) |
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| Prime mover | EMD 12-710G3B |
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| Engine type | V12 diesel |
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| Aspiration | Turbocharged |
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| Traction motors | Six axle-hung, nose-suspended D43 traction motors |
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| Cylinders | 12 |
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| MU working | All IÉ and NIR GM-EMD locomotives |
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| Train heating | HEP: Dayton-Phoenix alternator, model E7145, 438 kVA, 220/380VAC, 3-phase, 50 Hz |
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| Loco brake | Air & vacuum, 27LAV
Blended Brakes, not used |
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| Performance figures |
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| Maximum speed | 102 mph (164 km/h) |
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| Power output | 3,200 hp (2,400 kW) gross;
2,970 hp (2,210 kW) traction |
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The Iarnród Éireann (IÉ) / Northern Ireland Railways 201 Class locomotives are the newest and most powerful diesel locomotives operating in Ireland and were built between 1994 and 1995 by General Motors Diesel. They are model type JT42HCW, fitted with an EMD 12-710G3B engine of 3,200 hp (2,400 kW), weigh 108.862 tonnes (107.1 long tons; 120.0 short tons) and have a maximum speed of 102 mph (164 km/h).
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