British Rail Class 103
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The
British Rail British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four British rai ...
Class 103
diesel multiple unit A diesel multiple unit or DMU is a multiple-unit train powered by on-board diesel engines. A DMU requires no separate locomotive, as the engines are incorporated into one or more of the carriages. Diesel-powered single-unit railcars are also ...
s were built by
Park Royal Vehicles Park Royal Vehicles was one of Britain's leading coachbuilders and bus manufacturers, based at Park Royal, Abbey Road, in west London. With origins dating back to 1889, the company also had a Leeds-based subsidiary, Charles H. Roe. Labour pr ...
with
diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...
s by British United Traction (BUT). Ordered in the first half of 1955, 20 of these sets were built by Park Royal at the Crossley Motors works in
Stockport Stockport is a town and borough in Greater Manchester, England, south-east of Manchester, south-west of Ashton-under-Lyne and north of Macclesfield. The River Goyt and Tame merge to create the River Mersey here. Most of the town is within ...
of the ACV Group. They consisted of a power car and a
driving trailer A control car, cab car (North America), control trailer, or driving trailer (UK and Ireland) is a non-powered rail vehicle from which a train can be operated. As dedicated vehicles or regular passenger cars, they have one or two driver compartm ...
. Standard BUT equipment was fitted, with 'A' type engines. A two-car set with 16 first class and 100 second class seats weighed just under 60 long tons, representing 1,150 lb (520 kg) a seat and had 5 hp per ton of empty weight or 4.35 hp per ton when full.


Orders


Operations

They were allocated new to the London Midland Region of British Railways, spending most of their time at
Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
. The first deliveries went to traffic in the
Llandudno Llandudno (, ) is a seaside resort, town and community in Conwy County Borough, Wales, located on the Creuddyn peninsula, which protrudes into the Irish Sea. In the 2011 UK census, the community – which includes Gogarth, Penrhyn Bay, Craigsi ...
area, allocated to Llandudno Junction in early 1958. This is believed to be an indirect consequence of unit shortages as a result of bogie problems with the BRCW units rains Illustrated 1958 By the end of the same year they were all allocated to Ryecroft for the routes radiating from Walsall. These services were dieselised on 17 November that year rains Illustrated Jan 1959 p53 The last four sets, including W50413 and W56169 the surviving full set, were transferred to the
Western Region of British Railways The Western Region was a region of British Railways from 1948. The region ceased to be an operating unit in its own right on completion of the "Organising for Quality" initiative on 6 April 1992. The Region consisted principally of ex- Great ...
, and worked on the Kingswear Branch having been based out of Laira Depot. Although considered non-standard, owing to their bodywork construction, their use of standard BUT equipment and blue square coupling code allowed them to operate with other classes. They spent some time in the
Watford Watford () is a town and borough in Hertfordshire, England, 15 miles northwest of Central London, on the River Colne. Initially a small market town, the Grand Junction Canal encouraged the construction of paper-making mills, print works, a ...
area, working the
St Albans St Albans () is a cathedral city in Hertfordshire, England, east of Hemel Hempstead and west of Hatfield, Hertfordshire, Hatfield, north-west of London, south-west of Welwyn Garden City and south-east of Luton. St Albans was the first major ...
and
Belmont Belmont may refer to: People * Belmont (surname) Places * Belmont Abbey (disambiguation) * Belmont Historic District (disambiguation) * Belmont Hotel (disambiguation) * Belmont Park (disambiguation) * Belmont Plantation (disambiguation) * Belmon ...
branches after the demise of the ACV/BUT " flying brick" railcars. Three units were transferred for this service in December 1958, according to Trains Illustrated eb 1959 p110


Accidents and incidents

On 8 May 1972 an oil train 'ran away' and crashed in Chester General station. M50407 and M56154 were in an adjacent platform and damaged beyond repair.


Liveries

They were delivered in Brunswick green with cream lining, red bufferbeam and pale grey roof. The first sets were delivered without "speed whiskers" (a decorative device on the front). Plain blue with yellow ends was later applied, initially with just a small yellow panel.


Decline

The bodywork became troublesome in service, seeing many withdrawn early. By the end of 1972 there were only 12 power and 14 trailers left in service. The last power car was withdrawn in December 1982, and the last trailer in February 1983.


Preservation

Due to
asbestos Asbestos () is a naturally occurring fibrous silicate mineral. There are six types, all of which are composed of long and thin fibrous crystals, each fibre being composed of many microscopic "fibrils" that can be released into the atmosphere b ...
insulation, only three Class 103 vehicles survive in preservation. 50413 and 56169 are currently being restored by the Helston Railway Diesel Group for use on the Helston branch line. 56160 is privately preserved. Three other vehicles were preserved but have since been scrapped.


References

* * * * * *


External links


The Railcar Association

{{British Rail DMU
103 103 may refer to: *103 (number), the number *AD 103, a year in the 2nd century AD *103 BC, a year in the 2nd century BC * 103 (Tyne Electrical Engineers) Field Squadron, a territorial regiment * 103 (Newcastle) Field Squadron, Royal Engineers *103 ( ...
Park Royal Vehicles multiple units Train-related introductions in 1957