List of British Rail modern traction locomotive classes

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This page lists every locomotive allocated a TOPS classification and all modern traction (e.g. diesel, electric, gas turbine, petrol) stock used on the mainline network since 1948 (i.e. British Railways and post-privatisation).

Diesel locomotives[edit]

The 1955 diesel locomotive classes are given in brackets where applicable.

A large number of different shunter types were purchased by British Rail and its predecessors, many of which were withdrawn prior to the introduction of TOPS. The tables below attempt to list the different types and the different classifications used to describe them as clearly as possible:

Small shunters: under 300 hp[edit]

Shunter classes are listed by 1955 class, which puts TOPS classes in ascending order, and generally puts 1948 and 1962 classes in ascending order. Unclassed shunters are placed at the start of the table; TOPS class 07 has been placed so its 1962 class is in the logical place.

Class Numbers Year(s)
built
Quantity
built
Year(s)
withdrawn
Image
TOPS 1948 1955 1962 1948 1957
11104 1950 1 1967
13000 N/A 1934 1 1949
DY1 D1/1 1/15 11500–11502 D2950–D2952 1954–55[1] 3[1] 1966–67
Class 01 DY2 D1/2 1/12 11503–11506, 81 D2953–D2956, D2956 (ii) 1956–58[2] 5[1] 1966–81 BR Class 01.jpg
DY5 D1/3 1/16 11507–11508 D2957–D2958 1956[1] 2[1] 1967–68
Class 02 D1/4 1/17 D2850–D2869 1960–61[2] 20 1969–75 Yorkshire Engine 2813 on Middleton Railway 94.jpeg
DY11 D2/1 2/4A 11700–11707 D2700–D2707 1953–56[3] 8 1964–68
Class 03 DJ15 D2/2 2/1 11187–11211 D2000–D2199
D2370–D2399
1957–62[2] 230 1968–93
2008
Bristish Rail Class 03 diesel shunter 03090.jpg
Class 04 DJ12/1 D2/4 2/13 11100–11115 D2200–D2214 1952–62
(D2289 1948)[2]
142 1967–72 except D2289 still in use in Italy D2298 at the Buckinghamshire Railway Centre 1.jpg
DJ12/2 D2/13 2/13 11116–11229 D2215–D2341
DJ14 D2/5 2/12A 11177–11186 D2400–D2409 1956–57[3] 10 1967–69
D2/7 2/14 11116–20, 11144–48 D2500–D2509 1955–56[3] 10 1967 Hudswell D707 at the Rutland Railway 05-09-25 31.jpeg
Class 05 DJ13 D2/8 2/15A 11136–43, 11161–76 D2550–D2573 1955–61[2] 79 1966–68, 1983 BR Class 05 DL26 2.jpg
DJ13/2 D2/9 2/15 D2574–D2618
Class 06 D2/6 2/12 D2410–D2444 1958–60[2] 35 1967–84 06009 as the works pilot at Dunfermline Townhill Wagon Repair Works in July 1975
DY11 D2/10 2/4 11708–11719 D2708–D2719 1957[3] 12 1967 [4]
2/4B D2720–D2780 1958–61[3] 61 1967–68
D2/11 2/2 D2999 1958[5] 1 1967
D2/12 2/14A D2510–D2519 1961[6] 10 1967
Class 07 2/16 D2985–D2998 1962[2] 14 1973–77 D2991 (07007) shunter at Eastleigh.jpg
D3/1 3/4 D2900–D2913 1958–59[7] 14 1967
  • Relation between TOPS, 1948, 1955 and 1962 classes, and 1948, 1957 and TOPS numbers:[2][8]

Large shunters: 300–799hp[edit]

CLASS NUMBERS Built Quantity Withdrawn Image
TOPS 1948 1955 1962 1948 1957
15107 1949 1 1958[9]
11001 1949 1 1959[10] Locomotive 1100
Class 08 DEJ4 D3/2 3/1 13000–13366 D3000–D4192[11] except those
listed under classes 09 and 10
1953[12]–62[11] 986 still in use[11] Yeoman Class 08.JPG
Class 09 D3665–71, D3719–21,
D4099–D4114
1959–62[11] 26 still in use[11] 09012 at Brighton.jpg
D3/3 3/1B 13117–13126 D3117–D3126 1955 10 1966–67[13]
Class 10 DEJ5 D3/4 3/1C 13137–13151[14] D3137–D3151, D3439–D3453,
D3473–D3502, D3512–D3651,
D4049–D4094
1955–62[14] 15 1967–72[15] Class 10 (D3452) in BR blue livery at Bodmin General on 28 August 2003
DEJ7 D3/5 3/1D 13152–13166 D3152–D3166 1955 15 1967[16]
D3/6 12000–12002 1935 11 1956–62[17]
D3/7 3/8 12003–12032 1939–42 30 1966–67[18]
Class 11 DEJ3 D3/8 3/8A 12033–12138 1945–52 136 1967–72[19] 12077 Midland Railway Centre.jpg
DEJ1 D3/9 3/10 15000–15003 1944 4 1967[9]
D3/10 3/11A 15100 1936 1[8] 1965[9]
D3/11 3/11 15101–15106 1948 6 1967[9]
D3/12 3/9A 15201–15203 1937 3 1964[10]
Class 12 D3/13 3/9 15211–15236 1949–52 24 1968–71[10]
DEJ2 D3/14 3/2 15004 1949 1[8] 1962
Class 13 7/1 D4500–D4502 1965 3[8] 1983–1985 Hump Shunter.jpg
  • Relation between TOPS, 1948, 1955 and 1962 classes, and 1948, 1957 and TOPS numbers:[2][8]

Type 1 locomotives: 800 - 1000hp[edit]

CLASS 1957 numbers Introduced Quantity Withdrawn Image
TOPS 1955 1962
Class 14 6/1 D9500–D9555 1964 56 1968–69[20] Class14shunter.jpg
10800 1950[21] 1[21] 1972[21]
Class 15 D8/1 8/5 D8200-D8243 1957-61[8] 44[22] 1969-71
[citation needed]
D8233Wiki.jpg
Class 16 D8/2 8/4[23] D8400-D8409[24] 1958[25] 10[24] from 1968[24]
Class 17 N/A 9/18 D8500-D8587 1962-65[26] 117[26] by 1971[26] D8574 at Glasgow.jpg
9/19 D8588-D8616
Class 18 1985
(Proposed)
Never Built
Class 20 D10/3 10/3[27] D8000-199,
D8300-27[28]
1957-67[28] 228[26] still in use[11]
D8000 at NRM.jpg
  • Relation between TOPS, 1948, 1955 and 1962 classes, and 1948, 1957 and TOPS numbers (unless otherwise given):[2][8]

Type 2 locomotives: 1001 - 1499hp[edit]

Locomotive class are listed by TOPS class. Locomotives for TOPS classes 24 and 26 have their original sub-classes shown, as each wholly comprised locomotives from a distinct 1962 class.

CLASS 1957 numbers Introduced Quantity Withdrawn Image
TOPS 1955 1962
Class 21 (I) D10/1 10/4 D6100-D6157 1959[25] 58 1967 Harringay West geograph-2392160-by-Ben-Brooksbank.jpg
D11/2 11/4
Class 21 (II) N/A N/A N/A 2004-05 4 still in use MaK G1206-2.jpg
Class 22 D10/2A 10/4A D6300-D6305 1959[25] 58[29] 1967-72[29]
D6343, d7072 - old oak common - 1965.jpg
D11/5 11/4A D6306-D6357
Class 23 D11/1 11/3 D5900-D5909 1959[25] 10 1968-71 Class 23 D5901.jpg
Class 24 24/0 11/1 D5000-D5049 1958[25]-61 50 by 1980
24081 departing Cheltenham Racecourse.JPG
24/1 D11/3 11/1A D5050-5150 101
Class 25 D12/1 12/1 D5151–D5299,
D7500–D7677
1961[28]-67 323 1987[30][31]
Diesel locomotive Paignton.jpg
Class 26 26/0 D11/4 11/6 D5300-D5319[28] 1958[32] 20[32] 1975-94[32] 26014, 26008 - inverness - sep 1977.jpg
26/1 none[8] 11/6A D5320-D5346[28] 1958[32] 27[32]
Class 27 D12/3 12/6 D5347-D5415[28] 1961-62[8] 69 1987
27001 at Bo'ness Railway Museum.jpg
Class 28 D12/1 12/5 D5700-D5719 1958-59[25]-59 20 1968-71
A 'Metrovick' passing through Grange-over-Sands, June 1963’
Class 29 N/A N/A N/A 1965-1967[8] 20 1971
Class 30 & 31 D13/1, D14/2 14/2 D5500-D5699,
D5800-D5862
1957[25]-62[28] 263 plus 81
conversions
1976 - date
still in use
31271 'Stratford 1840-2001' at York Railfest.JPG
  • Relation between TOPS, 1948, 1955 and 1962 classes, and 1948, 1957 and TOPS numbers (unless otherwise given):[2][8]

Type 3 locomotives: 1500–1999hp[edit]

CLASS Pre-TOPS
numbers
Introduced Quantity Withdrawn Image
TOPS 1955 1962
Class 33 D15/1 15/6 D6500—D6585[8][28] 1960-62[33] 98[33] still in use(with West Coast Railway Company)[11] D33025.jpg
D15/2 15/6A D6586-D6597[8][28]
Class 35
(Hymek[34])
D17/2 17/7 D7000–D7100[2] 1961-64[35] 101[35] 1971-1975[36]
D7017 at Minehead Station on the West Somerset Railway in August 1979
Class 37 D17/1 17/3 D6600-D6608
D6700-D6999[28]
1960 - 65[37] 309[37] still in use[11]
37019 at Tinsley TMD open day, 29 September 1990
Class 38 1980s
(Proposed)
Never Built
D16/1 16/8 10000-10001[8] 1947-48[38] 2[38] 1962-66[38] LMS 10000 at Derby.jpg
D16/2 16/9 10201-10203[8] 1951-1954[25] 3[25] 1968
10203 at Bletchley
  • Relation between TOPS, 1955 and 1962 classes, and pre-TOPS and TOPS numbers (unless otherwise given):[2][8]

Type 4 locomotives: 2000–2999hp[edit]

CLASS 1957 numbers Built Quantity Withdrawn Image
TOPS 1955[8] 1962[8]
10100 1950 1 1958
Class 40 D20/1 20/3 D200-D399[28] 1958-62[28] 200 by 1985[39] 40135 at Crewe Works.jpg
Class 41 (I)[40] D20/2 20/4 D600-D604[28] 1958-59[35] 5[35] 1967[35] Reading (General) 'Warship' Diesel-hydraulic on an Up express. geograph-2392198-by-Ben-Brooksbank.jpg
Class 41 (II) N/A 1972[2] 2[2] 1982 41001 At York Front.jpg
Class 41 (III) N/A 1990s
(Proposed)
Never Built
Class 42 D22/1 22/1 D800-D832,
D866-D870[2]
1958-61[2] 38[35] 1968-72[35] D824 at Swindon (1).jpg
Class 43 (I) D22/2 22/2 D833-D865[2] 1960-62 33 1969-1971 D852 - old oak common - 1964.jpg
Class 43 (II) N/A 1976-82[39] 197[39] Still in use[11] EMT HST 43058 Leicester AB1.JPG
Class 44
(Peak[41])
D23/1 23/1 D1-D10[2] 1959-60 10 1976-81 D4 'Great Gable' at Cardiff Canton for the GW150 celebrations in July 1985
Class 45 D25/1 25/1 D11-D137[28] 1960-63[28] 127 by 1989[39] Class 45 No:46 leaving Derby in May 1973
Class 46 N/A 25/1A D138-D193[28] 1961[28] 56 by 1984 46035 Chesterfield.jpg
Class 47 N/A 27/2 D1100-D1111,
D1500-D1999[28]
1962-68[28] 512 still in use[11]
47316 'Cam Peak' at Doncaster Works.JPG
Class 48 N/A 27/2 D1702-D1706. 1965-66[28] 5 1990-91[11] D1705 near Quorn.jpg
Class 50 N/A 27/3 D400-D449[28] 1967-68[28] 50[28] by 1994 50049 Defiance.jpg
Class 52
(Western[42])
D27/1 27/1 D1000-D1073[2] 1961–1964 74 by 1977 Bridgnorth railway station MMB 05 D1062.jpg
Class 53
Falcon[43]
? ? D0280, later D1200 1961 1 1976 British Rail Class 53 number D0280 (Falcon) at King's Cross station, London.jpg
Class 57 N/A 1962-1968 Rebuilt 1997 - 2004[11] 33[11] still in use[11] 57313 Tracy Island at Crewe 03.jpg

Type 5 locomotives: over 3000hp[edit]

TOPS class Built Quantity Withdrawn Image
Class 51 1960s
(Proposed)
Never Built
Class 55
(Deltic)[44]
1961-62[12]-62 22[12] 1982 55022 Royal Scots Grey.jpg
Class 56 1976-84[45] 135[45] still in use[11] Class 56 diesel locomotive number 56006.jpg
Class 58 1983-87[39] 50[39] still in use
(In mainland Europe)
[11]
58001 at Doncaster Works.JPG
Class 59 1985-95[46] 15[46] still in use[11] 59001 'Yeoman Endeavour' at Doncaster Works.JPG
Class 60 1989-93[46] 100[46] still in use[11] 60068 by Castleton East Junction.jpg
Class 62 1990s
(Proposed)
Never Built
Class 65 Never Built
Class 66 1998-2008[11] 446[11] still in use[11] 66108 at Didcot.JPG
Class 67 1999-2000[46] 30[46] still in use[11] 67001 at Kings Cross 1.jpg
Class 68 2013-[47] 25 (planned)[47] First 5 in UK. Under test.[47][48]
Class 70 2009-2014 30 still in use 70007 at Ipswich.jpg

Electric locomotives[edit]

Freightliner Class 86 nos. 86613 and 86610 at Ipswich.

DC electric locomotives[edit]

TOPS class pre-TOPS class Built Quantity Withdrawn Image
Class 70 1941-48 3 1968-69 Eastleigh Works geograph-2383942-by-Ben-Brooksbank.jpg
Class 71 HA 1958-60 24 1977 E5001 at Doncaster Works.JPG
Class 73 (electric and Diesel power) JA or JB 1962
1965-67
82 still in use 73201 at Woking.jpg
Class 74 (electric and Diesel power) HB 1958–1960
Rebuilt 1967–1968
10 1976 Class 74 74003.jpg
Class 75 1960s
(Proposed)
Never Built
Class 76 EM1 1952-53 56 1981 26020 at York NRM.JPG
Class 77 EM2 1953-55 7 1969 27000 at Crewe Works.JPG
Class EB1/EF1
(26502-26511)
1914-1919 10 1951
1964
Class EE1
(26600)
1922 1 1950
Class ES1
(26500-26501)
1905 2 1964 NorthEasternRailwayNo1-Locomotion-Shildon-April2008.JPG

AC electric locomotives[edit]

TOPS class pre-TOPS class Built Quantity Withdrawn Image
Class 80 1958 1 1961
Class 81 AL1 1959–1964 25 1991 A derelict British Rail Class 81, number 81015
Class 82 AL2 1960-62 12 1987 82008 at Crewe Works
Class 83 AL3 1960-62 15 1989 83012 (previously E3035) at Doncaster Works
Class 84 AL4 1960-61 10 1979-80 84001 at Crewe Works
Class 85 AL5 1961-64 40 1991 85007 Carlisle.jpg
Class 86 AL6 1965-66 100 2002-date still in use (with Freightliner and in Hungary). 86213 'Lancashire Witch' at Crewe Works.JPG
Class 87 1973-75 36 2003-date still in use (in Bulgaria). 87028 at Crewe in 1988
Class 88 (I) 1983-87
(planned)
Never Constructed
Class 88 (II) 2014- 10
(planned)[49]
2014 under construction
Class 89 1986 1 2001 89001 at Doncaster Works
Class 90 1987-90 50 still in use 90001 at Crewe
Class 91 1988-91 31 still in use 91111 at Kings Cross
Class 92 1993-96 46 still in use 92027 'George Eliot' at Stafford
Class 93 1992-95
(planned)
30
(planned)
Never Constructed Artist’s impression of a Class 93

Miscellaneous locomotives[edit]

Type Class / number(s) Information Image
Channel Tunnel Class 22 SNCF Class BB 22200 class dual voltage electric locomotives used for freight duties through the Channel Tunnel by Railfreight Distribution during 1994-95, prior to the availability of the dedicated Class 92 locomotives. These locomotives were allocated the TOPS classification Class 22 for their use on British railways BB22394-Antibes.jpg
Departmental Class 97 General departmental locomotives, used for special or engineering duties. Were therefore of many different classes, lumped together for numbering purposes. Forty-seven locomotives allocated Class 97 numbers, including five in subclass 97/6. Talsarnau railway station MMB 07 97303.jpg
Class 97/6 Five diesel shunting locomotives purpose-built for departmental duties in 1953 (number 97650) and 1959 (numbers 97651-654). Withdrawn 1987-2005. Class 97/6 (97 651, also known as PWM651) at Pitsford and Brampton station
Various Pre-TOPS Departmental Locomotives
Steam Class 98 Used to cover all steam locomotives used on the mainline in Britain. Had particular usage for the three Vale of Rheidol Railway steam locomotives that remained in BR's ownership after the end of mainline steam traction in August 1968, and numbered 98007-98009.
Also used for privately owned steam locomotives registered to run on the mainline since 1971, with numbers allocated in the following way:
  • First two digits: 98 (for class 98)
  • Third digit: 0-9 representing the Power Class 0-9
  • Fourth and fifth digits: The last two digits of the locomotive's original number. If this would duplicate an existing number, then the number is increased by 1.
Class 98 Vale of Rheidol locomotive taking on water
Petrol 15097-15099 Petrol powered locomotives built by Simplex, introduced 1919-1925 by the LNER, and subsequently inherited by BR
Gas turbine 18000 Prototype mainline gas turbine locomotive built for BR in 1949 by Brown Boveri. Had been ordered by GWR in 1940, but construction was delayed due to World War II. 18000 at the ORE Arsenal Test Centre in 1988
18100 Prototype mainline gas turbine locomotive built for BR in 1951 by Metropolitan-Vickers. Had been ordered by the GWR in the 1940s, but construction was delayed due to World War II.

Class 99[edit]

When British Rail implemented the TOPS system for managing their operating stock, ships capable of carrying rail vehicles were incorporated into the system as Class 99. In order to circumvent restrictions of the application software, these ships were entered on TOPS as locomotives, 'hauling' the trains which they carried on board.

Builders' demonstrators[edit]

These were locomotives built and owned by private firms, but used by British Rail to test them.

Locomotive Builder Year Fate Image
D0226 & D0227 English Electric 1956 D0226 preserved
D0227 scrapped
Experimental diesel-electric locomotive D0226 post-preservation at Haworth
D0260 Lion BRCWC 1962 Scrapped in 1963
D0280 Falcon
See Class 53, above
Brush Traction 1961 Scrapped 1976 British Rail Class 53 number D0280 (Falcon) at King's Cross station, London.jpg
D9998
See Class D2/11, above
Brush Traction 1958 ?
DHP1 Clayton 1965 ?
DP1 Deltic English Electric 1955 Withdrawn 1961,
preserved
DHP1 "Deltic" at National Rail Museum, Shildon, UK in October 2006
DP2 English Electric 1962 Scrapped 1967 Demonstration locomotive DP2 at Kings Cross in 1963
GT3
(Gas turbine)
English Electric 1961 Scrapped 1966
HS4000 Kestrel Brush Traction 1968 Scrapped 1989 Kestrel outside Derby Works during testing in 1968
Janus & Taurus
(Group of locomotives)
Yorkshire Engine Company Varied Demonstration shunter Janus (2787) at Shelton

Unbuilt locomotives[edit]

A number of TOPS class numbers were allocated to proposed locomotives, both diesel and electric, which for many reasons were not proceeded with.

See also[edit]

References[edit]

  1. ^ a b c d e Williams, Alan; Percival, David (1962). British Rail Locomotives Combined Volume 1962. London: Ian Allan. 
  2. ^ a b c d e f g h i j k l m n o p q r s t "The all-time guide to the UK Traction Classification System Part 2: Locomotives" (PDF). The RailwayCentre.org. 2006-05-02. Retrieved 2007-02-18. 
  3. ^ a b c d e Strickland, D.C. (1983). Locomotive Directory. Diesel & Electric Group. ISBN 0-906375-10-X. 
  4. ^ Loco Tech Data/Class2708.html "D2708-D2780". The RailwayCentre.com. Retrieved 2007-02-22. [dead link]
  5. ^ Loco Tech Data/Class2999.html "D2999". The RailwayCentre.com. Retrieved 2007-02-22. [dead link]
  6. ^ Loco Tech Data/Class2510.html "D2510-D2519". The RailwayCentre.com. Retrieved 2007-02-22. [dead link]
  7. ^ Loco Tech Data/Class2900.html "D2900-D2913". The RailwayCentre.com. Retrieved 2007-02-22. [dead link]
  8. ^ a b c d e f g h i j k l m n o p q r "The all-time guide to the UK Traction Classification System Part 1: Pre TOPS class systems" (PDF). The RailwayCentre.org. 2006-05-02. Retrieved 2007-02-18. 
  9. ^ a b c d Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. p. 62. ISBN 0-906375-10-X. 
  10. ^ a b c Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. p. 63. ISBN 0-906375-10-X. 
  11. ^ a b c d e f g h i j k l m n o p q r s t u v Robert Pritchard and Peter Fox (2006). British Railway Pocket Book No. 1: Locomotives. Sheffield: Platform 5. ISBN 1-902336-51-8. 
  12. ^ a b c Williams, Alan; Percival, David (1977). British Rail Locomotives and Multiple-Units including Preserved Locomotives 1977. London: Ian Allan. ISBN 0-7110-0751-9. 
  13. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. ISBN 0-906375-10-X. 
  14. ^ a b "Class 10". The RailwayCentre.com. Retrieved 2007-03-03. 
  15. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. pp. 56–57. ISBN 0-906375-10-X. 
  16. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. p. 56. ISBN 0-906375-10-X. 
  17. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. p. 48. ISBN 0-906375-10-X. 
  18. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. p. 49. ISBN 0-906375-10-X. 
  19. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. pp. 51–52. ISBN 0-906375-10-X. 
  20. ^ Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. pp. 65–68. ISBN 0-906375-10-X. 
  21. ^ a b c "Ivatt 800hp Diesel Electric Locomotive". Southern Email Group. 2004-08-10. Retrieved 2007-02-17. 
  22. ^ "Recognition and Equipment information: Class 15". The RailwayCentre.com. Retrieved 2007-02-17. 
  23. ^ "Class 16". The RailwayCentre.com. Retrieved 2007-02-17. 
  24. ^ a b c "Recognition and Equipment information: Class 16". The RailwayCentre.com. Retrieved 2007-02-17. 
  25. ^ a b c d e f g h i Casserley, H. C. (1962). Observer's Book of Railway Locomotives of Britain. Observer's pocket series #23 (Revised ed.). London: Frederick Warne. 
  26. ^ a b c d "Recognition and Equipment information: Class 17". The RailwayCentre.com. Retrieved 2007-02-17. 
  27. ^ "Class 20". The RailwayCentre.com. Retrieved 2007-02-17. 
  28. ^ a b c d e f g h i j k l m n o p q r s t u v w Marsden, Colin J. (1983). British Rail Motive Combined Volume 1983. Shepperton: Ian Allen. ISBN 0-7110-1284-9. 
  29. ^ a b John Daniel (2006-02-19). "D6300 class introduction". The Western Region Archive. Retrieved 2007-02-17. 
  30. ^ "Class 25 Withdrawals: The first fifty withdrawals (May 1971 - October 1980)". British Railways Sulzer Type 2. Retrieved 2007-02-17. 
  31. ^ "The last year of the Class 25's: March 1986 - March 1987". British Railways Sulzer Type 2. Retrieved 2007-02-17. 
  32. ^ a b c d e "A Brief History of British Railways Class 26". Centre of Locomotion Numerology. 8 February 1997. Retrieved 2007-02-17. 
  33. ^ a b Stephen Chapman (2007-02-14). "British Rail Diesels: The "Crompton" (class 33)". Retrieved 2007-02-14. 
  34. ^ British Railways Locomotives and Other Motive Power: Combined Volume. London: Ian Allan. 1969. p. 42. ISBN 0-7110-0112-X. 
  35. ^ a b c d e f g Reed, Brian (1974). Diesel-Hydraulic Locomotives of the Western Region. David and Charles. ISBN 0-7153-6769-2. 
  36. ^ Andy Coward (30 January 2008). "Hymeks: The big class with a short life". Rail (UK: Bauer Media) (584): 56–59. ISSN 0953-4563. 
  37. ^ a b "Rolling stock : Class 37 English Electric". thejunction.org.uk. 2006-08-17. Retrieved 2007-02-14. 
  38. ^ a b c David Hunt (2005). LMS locomotive Profiles Vol. 9: Main Line Diesel-Electrics Nos. 10000 and 10001. Wild Swan Publications. ISBN 1-905184-04-2. 
  39. ^ a b c d e f Wood, Roger (January 1989). British Rail Motive Power Combined Volume 1989. London: Ian Allan. ISBN 0-7110-1849-9. 
  40. ^ Marsden, Colin J. (2011). Diesel and Electric Locomotive Recognition Guide. Ian Allan. ISBN 978-0-7110-3637-6. 
  41. ^ Ian Allan 1969, p. 5
  42. ^ Ian Allan 1969, p. 13
  43. ^ British Railways Locomotives and Other Motive Power: Combined Volume. London: Ian Allan. 1971. p. 17. ISBN 0-7110-0242-8. 
  44. ^ Ian Allan 1969, p. 51
  45. ^ a b "Class 56 Locomotive Information". Class 56 Photo Gallery. 2003-02-08. Retrieved 2007-02-17. 
  46. ^ a b c d e f Peter Fox, Neil Webster and Peter Hall (2000). British British Rail Motive Power Combined Volume 2000. Sheffield: Platform 5. ISBN 1-902336-13-5. 
  47. ^ a b c "DRS orders 15 Vossloh Eurolight locomotives". Railways Today. 5 January 2012. 
  48. ^ "Additional Class 68s for Beacon Rail / DRS". Mainline Diesels. 29 April 2014. 
  49. ^ http://www.railwaygazette.com/news/single-view/view/drs-orders-10-electro-diesel-locomotives-from-vossloh.html

External links[edit]