Global InformationGNRI AEC Class information
| GNRI AEC Class | |
|---|---|
 A GNR AEC Railcar at Lambeg in service with NIR | |
 Interior of a push–pull vehicle at Drogheda in June 1980 with plastic chairs and graffiti | |
| In service | 1950–1975 |
| Manufacturer | Associated Equipment Company Park Royal Vehicles |
| Replaced | Steam locomotives and carriages |
| Constructed | 1951–1956 |
| Scrapped | 1970–1975 |
| Number built | 20 sets |
| Number scrapped | All |
| Formation | 2–8 cars (maximum 4 power cars) |
| Capacity | 44–91 seats per power car, depending on arrangement |
| Operators | Great Northern Railway (Ireland) Ulster Transport Authority Northern Ireland Railways Córas Iompair Éireann |
| Specifications | |
| Car body construction | Steel on timber framing |
| Car length | 62 feet 6 inches (19.05 m) |
| Width | 9 feet 6 inches (2.90 m) |
| Height | 12 feet 6 inches (3.81 m) |
| Maximum speed | 120 km/h (75 mph) |
| Weight | 38.5 long tons (39.1 t) (single power car) |
| Prime mover(s) | Two AEC A215 in each power car |
| Power output | 250 brake horsepower (190 kW) per power car |
| Transmission | Mechanical; five-speed preselector gearbox |
| HVAC | Steam heating |
| UIC classification | 1A′A1′ |
| Braking system(s) | Vacuum |
| Coupling system | Screw |
| Track gauge | 1,600 mm (5 ft 3 in) See Rail gauge in Ireland |
The Great Northern Railway of Ireland (GNRI) AEC Class were Associated Equipment Company (AEC)–engined diesel multiple units (normally termed railcars in Ireland) that operated InterCity and suburban services on the GNRI and later Ulster Transport Authority (UTA) systems between 1950 and 1975. They were finally withdrawn in 1972. They were the inspiration for the CIÉ 2600 Class.