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UTA AEC Class
An 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
1951–1972
Manufacturer
GNR Works, Dundalk
Replaced
Steam locomotives and carriages
Constructed
1951
Scrapped
1972
Number built
20 Power Cars (10 After 1958)
Number scrapped
All
Formation
2–8 cars (maximum 4 power cars)
Capacity
44–91 seats per power car, depending on arrangement
Operators
Ulster Transport Authority Northern Ireland Railways
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
Following the end of World War II, most railways throughout the world were looking to either update their fleet of steam locomotives with new and more economical designs or look towards alternatives, which for many meant a programme of dieselisation. The main considerations were the rising cost of coal against diesel oil and the weight of the trains causing wear and tear on the track. In looking to the dieselisation of their system the Ulster Transport Authority (UTA) made early inroads with small, lightweight diesel units, based on those built for the Great Western Railway in England, using the same manufacturers to supply parts and undertaking construction in their own workshops.
(Except vehicles 8 and 9, later UTA 585+586, which were built new as AEC driving trailers). Those that were acquired by UTA became 554 555 580 581 582 585...
the CIE and UTA, until Tuesday 30 September 1958 when it was dissolved and the remaining stock split equally between the 2 railways. AEC Class BUT Class...
successors between 1957 and 1980. They were an evolution of the earlier AEC railcars, which had entered service in 1951. Two variations existed, those...
10 AEC's went to CIÉ (Where they joined the existing fleet of AEC railcars, with each vehicle number receiving an 'n' suffix), and 10 went to the UTA. The...
The Ulster Transport Authority Multi-Engined Diesel (UTA MED) was an early diesel powered railcar, used in Northern Ireland. The 12-mile Belfast-Bangor...
UTA 70 class was a diesel multiple unit train built for service on the Ulster Transport Authority's railway network. The MED’s and MPD’s, which made use...
and were branded AEC, Leyland or Leyland-Albion. A 275 hp (205 kW) version was supplied to the Ulster Transport Authority for its UTA MPD class railcar...
Multi-Purpose Diesel (UTA MPD) was a diesel powered railcar, used in Northern Ireland. It was developed by the Ulster Transport Authority (UTA) as a progression...
similar to the UTA 70 Class, both mechanically and electrically. The 80 Class was intended to replace the aging MED, MPD and ex-GNR AEC and BUT railcars...
the rationalised Pnuemocyclic gearbox when fitted: this replaced various AEC and Leyland epicyclic transmissions and included a ten-speed splitter version...
Tiger Cub was demonstrated to London Transport during 1953/54 alongside an AEC Monocoach and a Bristol LS6G. This version of chassis had a four speed transmission...
company, which became part of the Ulster Transport Authority (UTA) in 1948. The UTA's railways were in need of significant investment following years...
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