Overview
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 of readily available power and transmission units, were cheap to operate but noisier and not as comfortable as locomotive-hauled rolling stock, a fact which made them unsuitable for Inter-City journeys. The decision was made to develop a new generation of multiple unit and in July 1966 the first of the new DEMU sets entered service.
History
Investment was needed on the "Inter City" routes and it was a straight choice between new locomotives and coaching stock or a new generation of multiple unit. The decision was made in favour of new multiple units and in 1966 the first of these entered service, designated 70 Class.
Unlike the MEDs and MPDs with their low - powered underfloor engines and mechanical transmissions spread through the train, the new units had a single English Electric engine of , fitted in a compartment between the driving cab and the passenger saloon, and electric transmission. Whilst construction was carried out at the UTA's York Road works in Belfast they imported underframes and body parts. This order comprised parts for the construction of eight power cars and the modification of existing coaches. The 70 Class were first introduced on the former Northern Counties Committee section but were later also worked cross-border trains.
Like the MPDs these units were also suitable for working freight services and regularly appeared on the CIÉ freight services to and from Londonderry.
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