British Rail Class 47
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{{Infobox Locomotive
|name = Brush Type 4<br>British Rail Class 47
|powertype = Diesel-electric
|image = 47424 47607 Bangor1987.jpg
|caption = Two Class 47s, Nos. 47424 and 47607, at [[Bangor (Gwynedd) railway station|Bangor station]] with a passenger train in 1987
|roadnumber = D1500–D1999, D1100–D1111; later 47001–47981
|totalproduction = 512
|builder = [[Brush Traction]] and [[British Railways]]’ [[Crewe Works]]
|builddate = 1963–1968
|gauge = {{RailGauge|ussg|lk=on|al=on}}
|primemover = [[Sulzer (manufacturer)|Sulzer]] 12LDA28-C
|generator =
|tractionmotors =
|whytetype = Co-Co
|uicclass = Co'Co'
|wheeldiameter = {{convert|3|ft|9|in|m|3|abbr=on}}
|minimumcurve =
|trainbrakes = Vacuum, Air, or dual
|locobrakeforce = {{convert|61|LTf|kN|sigfig=3|abbr=on|lk=in}}
|wheelbase = {{convert|51|ft|6|in|m|2|abbr=on}}
|length = {{convert|63|ft|7|in|m|2|abbr=on}}
|width = {{convert|8|ft|10|in|m|2|abbr=on}}
|height = {{convert|12|ft|9+1/2|in|m|2|abbr=on}}
|weight = {{convert|112|LT|sigfig=3|lk=on}} to {{convert|125|LT|sigfig=3}}
|topspeed = {{convert|75|mph|abbr=on|lk=on}} or {{convert|100|mph|abbr=on}}
|poweroutput = ''Engine:'' originally {{convert|2750|bhp|abbr=on}}, later derated to {{convert|2580|bhp|abbr=on}}
|tractiveeffort = ''Maximum:'' {{convert|55000|lbf|kN|0|abbr=on}} to {{convert|60000|lbf|kN|0|abbr=on}}
|fuelcap = {{convert|850|impgal|abbr=on|lk=on}}
|trainheating = ''47/0:'' [[Steam generator (railroad)|Steam generator]]<br>''47/3:'' None<br>''47/4:'' [[Head end power|Electric Train Heat]]
|multipleworking = Not fitted when built. Some now retrofitted with <font color=green>●</font> Green Circle
|axleloadclass = [[Route availability]] 6 or 7
|railroad = [[British Railways]]
}}
The '''[[British Rail]] Class 47''' (Originally '''Brush Type 4''') is a class of British railway [[diesel locomotive]] that was developed in the 1960s by '''[[Brush Traction]]'''. A total of 512 Class 47s were built at [[Crewe Works]] and Falcon Works, [[Loughborough]] between 1962 and 1968, which makes them the most numerous class of British mainline diesel locomotive.
They were fitted with the [[Sulzer (manufacturer)|Sulzer]] 12LDA28 double [[Straight-6|straight-six]] unit producing {{convert|2750|bhp|abbr=on|lk=in}}, and have been used on both passenger and freight trains on Britain's railways for over 40 years. Despite the introduction of more modern types of traction, as of 2008 a significant number are still in use, both on the mainline and on [[heritage railway]]s.
==Origins==
The Class 47 history begins in the early 1960s with the stated aim of the [[British Transport Commission]] (BTC) to completely remove [[steam locomotive]]s from British Rail by a target date of 1968.<ref>[http://www.railwaysarchive.co.uk/history4.php Replacement of steam locomotives] The railways archive - Retrieved on [[2007-06-15]]</ref> They therefore required a large build of lightweight [[List of British Rail power classifications|Type 4]] locomotives to achieve this aim. This required locomotives producing at least {{convert|2500|bhp|abbr=on}} but with an [[axle load]] of no more than {{convert|19|LT|t}}. However, the BTC were far from convinced that the future of diesel traction lay down the [[Diesel-hydraulic#Diesel-hydraulic|hydraulic]] transmission path of the Western Region, and began looking at various [[Diesel-hydraulic#Diesel-electric|diesel-electric]] designs.
Despite the construction of two demonstration locomotives ([[British Rail D0260|''D0260 LION'']], produced by [[British Thomson-Houston|AEI]] and [[Birmingham Railway Carriage and Wagon Company|BRC&W]] using a [[Sulzer (manufacturer)|Sulzer]] engine,<ref>[http://www.class47.co.uk/c47_feature_425.php Feature on D0260 LION] Class47.com - Retrieved on [[2007-05-31]]</ref> and [[British Rail Class 53|''D0280 FALCON'']], built by [[Brush Traction]] using [[Maybach]] engines),<ref>[http://www.class47.co.uk/c47_feature_424.php Feature on D0280 FALCON] Class47.com - Retrieved on [[2007-05-31]]</ref> the need for a large number of locomotives quickly was deemed paramount, and the pilot build of what would become Class 47 began before the prototypes could be comprehensively assessed.<ref>[http://www.class47.co.uk/c47_features.php Introduction to Prototypes] Class47.com Retrieved on [[2007-05-31]]</ref> This initial build of 20 locomotives (Nos. D1500 to D1519) were mechanically different from the remainder of the type,<ref>[http://glostransporthistory.visit-gloucestershire.co.uk/RODClass47.htm Class 47 history] Gloucester Transport History - Retrieved on [[2007-06-04]]</ref> and would be withdrawn earlier. However, based on these and the success of ''LION'', an order for 270 locomotives was made, which was later revised upwards a number of times to reach the final total of 512. Five locomotives, Nos. D1702 to D1706, were fitted with a Sulzer [[V12 engine|V12]] 12LVA24 power unit and classified as [[British Rail Class 48|Class 48s]]; the experiment was not deemed a success, and they were later converted back into standard 47s.
==In service==
[[Image:D1941 - landore - aug 1967.jpg|thumb|left|A typical Class 47 in its original condition, carrying British Railways two-tone green livery. This is D1941 at [[Swansea]] [[Landore TMD|Landore Depot]], in 1967]]
Eventually, 310 locomotives were constructed at [[Brush Traction]]'s Falcon Works in [[Loughborough]], and the remaining 202 at [[Crewe Works]].<ref>[http://www.semgonline.com/diesel/class47_2.html Class 47 History] SEMG - Retrieved on [[2007-06-01]]</ref> The first 500 locomotives were numbered sequentially from D1500 to D1999, with the remaining twelve being numbered from D1100 to D1111. The locomotives went to work on passenger and freight duties on all regions of British Rail. Large numbers went to replace steam locomotives, especially on express passenger duties.<ref>[http://www.gwsr.com/html/47376.html Class 47 History] GSWR - Retrieved on [[2007-06-04]]</ref>
The locomotives, bar a batch of 81 built for freight duties, were all fitted with [[Steam generator (railroad)|steam heating boilers]] for train heat duties. The initial batch of twenty, plus D1960 and D1961, were also fitted with [[Electric train supply|electric train heating (ETH)]].<ref>[http://www.semgonline.com/diesel/class47_3.html Early diesel locomotives] SEMG - Retrieved on [[2007-06-01]]</ref> With this type of heating becoming the norm, a further large number of locomotives were fitted with this equipment.
In the early 1970s, it was decided to [[Derating|de-rate]] the engine output of the fleet from {{convert|2750|bhp|abbr=on}} to {{convert|2580|bhp|abbr=on}}.<ref>[http://rail.felgall.com/c47.htm Class 47 history] Felgall.com - Retrieved on [[2007-06-01]]</ref> This significantly improved reliability by reducing stresses on the power plant, whilst not causing a noticeable reduction in performance.<ref name="mod">[http://www.therailwaycentre.com/Pages%20Loco/Recognition%20loco/Illus_47A.html Locomotive modifications] The Railway Centre - Retrieved on [[2007-06-04]]</ref>
==Sub-Classes==
In the early 1970s, the fleet were renumbered into the 47xxx series to conform with the computerised [[TOPS]] systems. This enabled a number of easily recognisable sub-classes to be created, depending on the differing equipment fitted. The original series were based on train heating capability and were as follows;<ref>[http://www.therailwaycentre.com/New%20Loco%20Tech%20Data/Class47.html Class 47 numbering] The Railway Centre - Retrieved on [[2007-05-31]]</ref>
* Class 47/0: Locomotives with steam heating equipment
* Class 47/3: Locomotives with no train heating
* Class 47/4: Locomotives with electric train heating
However, this numbering system was later disrupted as locomotives were fitted with extra equipment and were renumbered into other sub-classes.<ref>[http://www.thejunction.org.uk/cl47.html Class 47 sub-classes] The Junction - Retrieved on [[2007-06-04]]</ref><ref name="numbers">[http://www.class47.co.uk/c47_numbers.php Class47.com numbering] Retrieved on [[2007-06-14]]</ref> This section summarises the main sub-classes that were created.
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[[Image:47293 York 1987.jpg|thumb|right|Class 47/0 No. 47293 with a relief passenger train at [[York railway station|York station]] in 1987]]
===Class 47/0===
Originally numbered from 47001 to 47298, these locomotives were the 'basic' Class 47 with steam heating equipment fitted.<ref>[http://www.class47.co.uk/c47_numbers.php?index=0 Class 47/0] Class47.com -Retrieved on [[2007-06-15]]</ref> In the 1970s and 1980s, with steam heating of trains gradually being phased out, all locomotives fitted with the equipment gradually had their [[Steam generator (railroad)|steam heating boilers]] removed. Some were fitted with [[Electric train supply|ETH]] and became 47/4s, whilst the others remained with no train heating capability and were therefore used mainly on freight work. In the 1990s, the class designation 47/2 was applied to some class 47/0s after they were fitted with [[multiple working]] equipment.<ref name="mod" /> The locomotives involved also had their [[Vacuum brake|vacuum braking]] systems removed, leaving them [[Air brake (rail)|air braked]] only. This was mainly a paper exercise, however, and the locomotives were not renumbered; in this article they are included in Class 47/0.
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[[Image:47376 at Toddington.JPG|thumb|left|Class 47/3 No. 47376 in [[Freightliner]] livery, at [[Toddington railway station|Toddington station]]]]
===Class 47/3===
Originally numbered from 47301 to 47381, this sub-class were originally built with no train heating equipment and therefore remained freight locomotives almost exclusively for their working lives.<ref>[http://www.class47.co.uk/c47_numbers.php?index=1 Class 47/3] Class47.com -Retrieved on [[2007-06-15]]</ref> They were all fitted with [[Slow speed control#Locomotive control|slow speed control]] for working [[Merry-go-round train|MGR coal trains]] (as were a number of Class 47/0s).<ref>[http://www.c58lg.co.uk/html/mgr_haa_history.html Slow speed control] Class 58 Loco Group - Retrieved on [[2007-06-15]]</ref> However, during the summer months when train heat was not required, 47/3s could regularly be found hauling the extra trains that the holiday season brought.<ref>{{cite book | last = Lund | first = E | title = To the last drop | publisher = Longden technical Publications | date = 1980 | location = Chesterfield | isbn = 0 9507063 0 2}}</ref> The sub-type remained stable until withdrawals started, although an "extra" 47/3, No.47300, was created in 1992 when No.47468 had its train heating equipment removed and was renumbered.<ref>[http://www.brushtype4.co.uk/bt4_numbers.php?index=1&jndex=0&kndex=0&s_loco=47300 No.47300] Class47.com -Retrieved on [[2007-06-15]]</ref> Also, No.47364 was renumbered to 47981 in 1993.<ref>[http://www.brushtype4.co.uk/bt4_numbers.php?index=1&jndex=0&kndex=0&s_loco=47981 No.47981] Class47.com -Retrieved on [[2007-06-15]]</ref>
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[[Image:47523 BNS 1988.jpg|thumb|right|Class 47/4 No. 47523 in standard [[Rail Blue|BR Blue]], at [[Birmingham New Street station]] in 1988]]
===Class 47/4===
The designation for standard locomotives fitted with [[Electric train supply|ETH]] and therefore used for passenger, mail and parcels use. 133 locomotives had been fitted by the time renumbering occurred, and shortly afterwards the sub-class had settled down to 154 locomotives, numbered 47401 to 47555, with one gap. Later, further class 47/0s were converted to class 47/4s and renumbered into the series, which eventually reached 47665.<ref>[http://www.class47.co.uk/c47_numbers.php?index=2 Class 47/4] Class47.com - Retrieved on [[2007-06-15]]</ref>
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[[Image:47901 Westbury 1987.jpg|thumb|left|Class 47/9 No. 47901 on a [[railtour]] at [[Westbury railway station|Westbury station]] in 1987]]
===Class 47/6 and Class 47/9===
After being severely damaged in a derailment near Peterborough in 1974, locomotive 47046 was selected to be a testbed for the projected [[British Rail Class 56|Class 56]], and was fitted with a 16 cylinder [[Ruston (engine builder)|Ruston]] 16RK3CT engine rated at {{convert|3250|bhp|abbr=on}} for assessment purposes.<ref>{{cite book | last = Williams | first = Alan | coauthors = Percival, David | title = British Railways Locomotives and Multiple Units including Preserved Locomotives 1977 Combined Volume| publisher = Ian Allen Ltd | date = 1977 | location = Shepperton | isbn = 0 7110 0751 9}}</ref> To identify it as unique, it was renumbered 47601 (at the time the number range for Class 47s only extended as far as 47555). Later, in 1979, it was used again for the [[British Rail Class 58|Class 58]] project, fitted with a 12 cylinder Ruston engine (this time of {{convert|3300|bhp|abbr=on}}), and renumbered 47901. It continued with this non-standard engine fitted until its withdrawal in 1990.<ref>[http://www.class47.co.uk/c47_numbers.php?index=3 Class 47/6] Class47.com - Retrieved on [[2007-06-15]]</ref>
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[[Image:NSE Class 47s.jpg|thumb|right|[[Network SouthEast]] Class 47s 47711 and 47716]]
===Class 47/7===
In the late 1970s, BR authorities identified a need to replace the ageing trains operating the [[Glasgow]] to [[Edinburgh]] shuttle services, in order to increase speed and reliability. The trains were operated by pairs of [[British Rail Class 27|Class 27]]s, one at each end of this train. It was decided to convert twelve 47/4s to operate the service in [[Push-pull train|push-pull]] mode. The locomotives would be known as Class 47/7 and would be fitted with [[Time-division multiplexing|TDM]] push-pull equipment and long-range fuel tanks, and be maintained to operate at 100 mph. The conversions began in 1979 and the service was operated completely by them from 1980. In 1983, the push-pull service spread to Glasgow-[[Aberdeen]] services, and a further four locomotives were converted. The sub-class therefore comprised Nos. 47701 to 47716, though a further locomotive, 47717, was converted in 1986 after the fire-damaged 47713 was withdrawn.<ref>[http://rail.felgall.com/c47.htm Class 47/7] Felgall Rail - Retrieved on [[2007-06-15]]</ref>
[[Image:47787 at Rugby.jpg|thumb|left|Class 47/7b No. 47787 in the platform at [[Rugby railway station|Rugby station]] as a "light loco".]]
===Class 47/7b and 47/7c===
In the 1990s, further 47/4s were converted with long-range fuel tanks and the ability to be remotely controlled by a type of [[rolling stock]] known as [[Propelling Control Vehicle|propelling control vehicles]], which were used on [[Travelling Post Office|mail trains]]. They were also numbered into the 47/7 series, from 47721 onwards. With dwindling passenger work for them, a number of 47/8s, already fitted with the extra fuel tanks, were also renumbered into this series.<ref>[http://www.class47.co.uk/c47_numbers.php?index=4 Class 47/7] Class47.com - Retrieved on [[2007-06-15]]</ref>
Two locomotives, 47798 ''Prince William'' and 47799 ''Prince Henry'', were dedicated to use on the [[Royal Train#British Royal Train|Royal Train]], and were designated as Class 47/7c.<ref>[http://www.class47.co.uk/c47_numbers.php?index=2 Locomotive pools] Class47.com Retrieved on [[2007-07-09]]</ref>
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[[Image:47839 Canterbury West.jpg|thumb|right|Class 47/8 No. 47839 ''Pegasus'' at [[Canterbury West railway station|Canterbury West station]] in 2007]]
===Class 47/8===
The last of the original 47/4 conversions, from 47650 to 47665, were fitted with extra fuel tanks, giving them an extended range. Four earlier Class 47/4s were also converted. In 1989 it was decided to give these locomotives easy recognisability, and so these locomotives were renumbered into their own series from 47801 to 47820. At the same time, further locomotives were fitted with extra fuel tanks and renumbered; the series eventually reached 47854.<ref name="withdrawal" /> After the privatisation of British Rail, the sub-class was mainly used by [[Virgin Trains]] on cross-country work until the introduction of their [[British Rail Class 220|Voyager]] trains. A combination of relatively recent overhauls, coupled with the versatility provided by the extra range of this sub-class has meant that they have remained operational longer than the majority of their classmates.
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==Decline==
By 1986, only five of the original 512 locomotives had been withdrawn from service, all because of serious accident damage.<ref name="withdrawal">[http://www.class47.co.uk/c47_data_433.php Class 47 withdrawal data] Class47.com - Retrieved on [[2007-06-04]]</ref> However, with work for the class declining due to the introduction of new rolling stock, and spare parts becoming difficult to source, some inroads started being made.
The first locomotives to be targeted were the non-standard pilot batch of 20, now numbered 47401-47420. Three locomotives were withdrawn as life-expired in February 1986, and the remainder of the batch that had not recently been overhauled followed in the next two years. All 20 were withdrawn by 1992.<ref>[http://www.47401project.co.uk/ 47401 History] The 47401 Project - Retrieved on [[2007-06-10]]</ref>
Meanwhile, BR drew up a 'hit-list' of locomotives for early withdrawal, mainly including those with non-standard electrical equipment, known as ''series parallel'' locomotives.<ref>[http://myweb.tiscali.co.uk/roysrailpage/frame/Details/47.html Class 47 Technical Details] Railfan page - Retrieved on [[2007-06-04]]</ref> In the outset, withdrawals were slow, mainly due to the surplus of spare parts and new flows of freight traffic which required extra locomotives; only 61 locomotives had been withdrawn by the end of 1992. However, with the introduction of new traction, the rate of withdrawal quickly rose, with 86 more 47s reaching the end of their lives in the next three years.<ref name="withdrawal" /> With most of the non-standard locomotives withdrawn, the reduction of the fleet again proceeded more slowly. The [[privatisation of British Rail]] also produced new independent rail companies needing available traction until they could order new locomotives. From 1996 to 2006, an average of around fifteen locomotives per year were taken out of service.<ref name="withdrawal" />
During the decline in passenger work a number of locomotives were painted in "celebrity" colours, depicting various liveries that the type had carried during its history. This continued a tradition of painting 47s in unusual liveries, which dates back to 1977, when [[Stratford TMD|Stratford depot]] in East London painted two locomotives with huge [[Union Flag]]s to celebrate the [[Silver Jubilee of Elizabeth II|Silver Jubilee of Queen Elizabeth II]].<ref>[http://www.brushtype4.co.uk/bt4_liveries.php?s_liv=99 Silver Jubilee livery] Brushtype4.co.uk, retrieved on [[2008-04-30]]</ref>
==Current mainline operation==
In [[2007]], after more than 40 years of front line passenger and freight operations, between 30 and 40 locomotives are operational at any one time on the National network.<ref>[http://www.wnxx.net/fleetstatus/Fleet_files/sheet005.htm Fleet Status] wnxx.net - Retrieved on [[2007-06-10]]</ref> The following is a list of companies currently operating Class 47s.
*[[Direct Rail Services]] (DRS) locomotives appear on freight, stock movements, charter trains and spot-hire duties.
*[[Cotswold Rail]] has a fleet of Class 47s which mainly operate on charter work, stock transfers and hire to other operators.
*[[West Coast Railway Company]] is primarily a charter train operator, and is currently expanding its fleet by overhauling withdrawn locomotives.
*[[Riviera Trains]] is a spot-hire company based at [[Crewe]] with a fleet of locomotives which are mainly used to haul charter trains.
*[[Seco Rail]] owns a small fleet of locomotives for duties hauling its track maintenance trains.
==Other working locomotives==
[[Image:47715 Poseidon British Rail Class 47.7a locomotive - National Railway Museum - York - 2005-10-15.jpg|thumb|left|Preserved Class 47/7a No. 47715 ''Poseidon'' at the [[National Railway Museum]] in 2005.]]
Class 47s have proved very popular with preservationists and private railways, and more than 30 have now entered preservation, with the majority in working order.<ref>[http://www.preserved-diesels.co.uk/engines/index_47.htm Class 47 Page] Preserved Diesels - Retrieved on [[2007-04-30]]</ref> A full list can be found at [[list of preserved Class 47s]].
Also, a total of 33 withdrawn locomotives have been rebuilt with [[Electro-Motive Diesel|EMD]] engines and re-classified as [[British Rail Class 57|Class 57s]].<ref>[http://www.thejunction.org.uk/cl57.html Class 57 page] The Junction - Retrieved on [[2007-04-30]]</ref><ref>[http://www.therailwaycentre.com/Resource_data/Class57.pdf Class 57 conversion] The Railway Centre - Retrieved on [[2007-04-30]]</ref> The production versions work for the goods train company [[Freightliner]], and the passenger train companies [[First Great Western]] and [[Virgin Trains]] Limited, with the original prototype being operated by the [[West Coast Railway Company]].
==Incidents==
* [[11 January]] [[1965]]: D1734 was severely damaged after [[Coton Hill rail crash|the freight train it was hauling ran out of control]] near [[Shrewsbury]], eventually demolishing a [[signal box]]. It was withdrawn two months later, becoming the first Class 47 withdrawn after a working life of only eight months.<ref>[http://www.brushtype4.co.uk/bt4_numbers.php?s_loco=D1734 locomotive D1734] Class47.com - Retrieved on [[2007-07-08]]</ref>
* [[17 December]] [[1965]]: D1671 ''THOR'' was derailed near [[Bridgend]] whilst hauling a train of empty coaches. Shortly afterwards, a freight train collided heavily with the wreckage, killing the drivers of both locomotives. D1671 was withdrawn some four months later. Its nameplates were salvaged, and transferred to No. D1677.<ref>[http://www.class47.co.uk/c47_numbers.php?index=7&jndex=2&kndex=71&s_loco=1671 locomotive D1671] Class47.com - Retrieved on [[2007-07-10]]</ref>
* [[8 April]] [[1969]]: D1908 was badly damaged when, while hauling a freight train at [[Monmore Green]], it was struck head-on by a passenger train that had passed a signal at danger. D1908 caught fire after the accident and became the third Class 47 withdrawn.<ref>[http://www.class47.co.uk/c47_numbers.php?index=7&jndex=5&kndex=8&s_loco=1908 locomotive D1908] Class47.com - Retrieved on [[2007-07-10]]</ref>
* [[13 March]] [[1971]]: D1562 was wrecked after its power unit, which had been experimentally uprated, exploded at [[Haughley Green|Haughley Junction]] while the locomotive was hauling a [[Liverpool Street station|Liverpool Street]] to [[Norwich]] express.<ref>[http://www.brushtype4.co.uk/bt4_numbers.php?s_loco=D1562 locomotive D1562] Class47.com - Retrieved on [[2007-06-04]]</ref>
* [[11 June]] [[1972]]: D1630 was involved in the notorious [[Eltham Well Hall rail crash]] in which six people were killed. The locomotive was repaired, but much later in its life when numbered 47849, it was withdrawn from the [[British Rail Class 57|Class 57]] rebuilding programme after damage was discovered which was thought to have dated back to the accident.<ref>[http://www.class47.co.uk/c47_numbers.php?index=2&jndex=4&kndex=48&s_loco=47849 locomotive D1630] Class47.com - Retrieved on [[2007-05-14]]</ref>
* [[22 October]] [[1979]]: 47208 became the fifth Class 47 to be withdrawn after suffering severe damage in a fatal [[Invergowrie rail crash|accident at Invergowrie in Scotland]]. 47208 was hauling a [[Glasgow]] to [[Aberdeen]] service which collided with a local train which had stopped in front.<ref>[http://www.railwaysarchive.co.uk/documents/DoT_Invergowrie1979.pdf Invergowrie accident report] Railwaysarchive.co.uk - Retrieved on [[2007-04-30]]</ref>
* [[9 December]] [[1983]]: 47299 (formerly 47216) was involved in a [[Wrawby Junction rail crash|serious accident at Wrawby Junction]] in [[Lincolnshire]], when whilst hauling an oil train, the locomotive collided with a local train resulting in the death of a passenger. It later emerged that the locomotive's renumbering was allegedly due to a warning given to BR by a clairvoyant who claimed to have foreseen a serious accident involving a locomotive numbered 47216.<ref>[http://www.angelfire.com/mn2/Oubliette/47299.html Jinxed locomotive 47299] Railfan article - Retrieved on [[2007-04-30]]</ref>
* [[10 July]] [[1984]]: 47707 ''Holyrood'' was propelling the 17:30 express from [[Edinburgh]] to [[Glasgow]] from the rear, when [[Polmont rail crash|the train collided with a cow near Polmont]], derailing it and resulting in 13 deaths. The accident raised serious concerns about the safety of push-pull operation where the locomotive was at the rear of the train.<ref>[http://danger-ahead.railfan.net/reports/rep2001/selby20010228_rs.html The Polmont accident in the light of 2001 Selby Crash] Danger Ahead - Retrieved on [[2007-04-30]]</ref>
* [[6 September]] [[1993]]: No. 47288 was hauling a train of 15 goods wagons from Dover to Willesden. At 0202 BST, the locomotive's rear bogie derailed in the tunnel approaching [[Maidstone East railway station|Maidstone East]]. The loco ended up on its side, on the track. Several wagons left the track, running into signals, platforms and buildings, spilling their load of 900 tons of steel cables. The driver subsequently failed a [[breathalyser]] test. Maidstone East was closed for recovery and repairs for several weeks following the incident.
==Gallery of liveries==
<gallery>
Image:Class47smallyellowpannels.jpg|Class 47 No.47815 in original BR two-tone green with small yellow warning panels
Image:47851 'Traction Magazine'.JPG|Class 47/8 No.47851 in a "heritage" livery of the original BR two-tone green with full yellow cabs
Image:47316 'Cam Peak' at Doncaster Works.JPG|Class 47/3 No. 47316 'Cam Peak', carrying the livery of [[Cotswold Rail]]
Image:Anglia_47_Norwich.JPG|Class 47/7a No.47714 in the livery of former [[TOC]] [[Anglia Railways]]
Image:47100 Blue SF roof.jpg|Class 47/0 No.47100 in the modified [[Rail Blue]] livery with a silver roof, used by [[Stratford TMD]]
Image:47702 Scotrail livery.jpg|Class 47/7a No.47702 in [[ScotRail]] livery
Image:47588 2toneRF livery.jpg|Class 47/4 No.47588 in "triple-grey" [[Railfreight Distribution]] livery
Image:47487 Original IC.jpg|Class 47/4 No.47487 in original [[InterCity]] livery
Image:47818 at Cambridge.JPG|Class 47/8 No. 47818, in [['one']] livery at [[Cambridge railway station|Cambridge station]] in 2004
</gallery>
==See also==
{{Portal|UK Railways}}
*[[List of British Rail modern traction locomotive classes]]
==References and sources==
===References===
{{reflist|2}}
===Sources===
*{{cite book | last = Stevens-Stratten | first = S.W. | coauthors = Carter, R.S. | title = British Rail Main-Line Diesels | publisher = Ian Allen Ltd | date = 1978 | location = Shepperton | isbn = 0 7110 0617 2}}
{{commonscat|British Rail Class 47}}
{{British Rail Locomotives}}
[[Category:British Rail diesel locomotives|47]]
[[Category:Brush Traction locomotives]]
[[Category:Co-Co locomotives]]
[[ja:イギリス国鉄クラス47ディーゼル機関車]]