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Diesel-hydraulic locomotives were not generally favoured by BR, and the class had only a short working life, being withdrawn between 1971 and 1975 when they were replaced by Class 37 diesel-electric locomotives.

D7029 was built by Beyer Peacock as Works No 7923 and entered traffic at Cardiff Canton in April 1962, working express trains from South Wales to London. Initially the locomotive was in BR Green livery with yellow warning panels. After brief allocations to Plymouth Laira and Bristol Bath Road in 1967, D7029 moved to Old Oak Common in April 1968.

D7029 was finally withdrawn from service on 28th February 1975 after a working life of less than 13 years.

D7029 was purchased from Old Oak Common by the [[Diesel Traction Group]] (DTG). After restoration at several locations, the first passenger run in preservation took place in May 1981 at the North Yorkshire Moors Railway. Operations continued there until July 1987 when the locomotive was withdrawn from service and mothballed, requiring tyre turning and the air reservoirs re-certifying.

==See also==

[[Diesel Locomotives]]<br>

==Links==