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Electric

[edit]

In 1925, the first electric train ran between Bombay and Kurla, hauled by a imported SLM locomotive on a DC traction.[1] In 1927, the first electric locomotive hauled passenger train was pulled by an imported WCP-1.[2] In 1957, Indian Railways adopted 25 kV 50 Hz AC traction with the first runs beginning in December 1959 with the WAM-1 locomotives.[1]

Broad-gauge
Broad-gauge Electric Locomotives[1][2][3]
Traction Usage Name Image Manufacturer Axles Number built Production Power (HP) Status
WCP series
DC Passenger WCP-1 SLM 2-Bo-A1 22 1928-30 2160 Retired
WCP-2 SLM 2-Bo-A1 1 1938 2160 Retired
WCP-3 Hawthorn Leslie 2-Co-2 1 1928 2250 Retired
WCP-4 Hawthorn Leslie, BBC 2-Co-2 1 1928 2390 Retired
WCM series
DC Mixed WCM-1 English Electric Co-Co 7 1954-55 3170 Retired
WCM-2 English Electric Co-Co 12 1956-57 2810 Retired
WCM-3 Hitachi Co-Co 3 1958 2460 Retired
WCM-4 Hitachi Co-Co 7 1960 3290 Retired
WCM-5 CLW Co-Co 21 1961-63 3700 Retired
WCM-6 CLW Co-Co 2 1995 5000 Retired
WCG series
DC Goods WCG-1 SLM C-C 41 1925-29 2400 Retired
WCG-2 CLW Co-Co 57 1970-76 1640 Retired
WAM series
AC Mixed WAM-1 50 cycles group[a] B-B 100 1959-60 2870 Retired
WAM-2 Mitsubishi Bo-Bo 36 1960-64 2790 Retired
WAM-3 Mitsubishi Bo-Bo 2 1964 2790 Retired
WAM-4 CLW Co-Co 500 1970-83 3640 Retired
WAP series
AC Passenger WAP-1 CLW Co-Co 65 1980-96 3760 In service
WAP-3 CLW Co-Co 9 1987-88 3760 Retired
WAP-4 CLW Co-Co 778 1994-2015 5000 In service
WAP-5 ABB, CLW Bo-Bo 239 1995- 6000 In service
WAP-6 CLW Co-Co 17 1995-98 5000 Retired
WAP-7 CLW, BLW,PLW Co-Co 1503 2000- 6350 In service
WAG series
AC Goods WAG-1 SNCF, CLW B-B 112 1963-66 2900 Retired
WAG-2 Hitachi,Mitsubishi B-B 45 1964-65 3180 Retired
WAG-3 Henschel, CLW B-B 10 1965 3150 Retired
WAG-4 CLW B-B 186 1966-69 3150 Retired
WAG-5 CLW,BHEL Co-Co 1196 1984-98 3900 In service
WAG-6A ASEA Bo-Bo-Bo 6 1987-89 6000 Retired
WAG-6B/C Hitachi Bo-Bo-Bo 12 1988 6110 Retired
WAG-7 CLW Co-Co 1994 1992-2015 5000 In service
WAG-8 BHEL Co-Co 1 1990 5000 Retired
WAG-9 ABB, CLW Co-Co 84 1996-present 6000 In service
WAG-9H CLW, BHEL, BLW, PLW Co-Co 4611 2006-present 6000 In service
WAG-9I CLW Co-Co 43 2010-present 6000 In service
WAG-10 BLW Co-Co-Co-Co 1 2018-present 10000 In service
WAG-11 BLW Co-Co-Co-Co 4 2018-present 12000 In service
WAG-12 Alstom Bo-Bo-Bo-Bo 360 2017-present 12000 In service
WCAM series
Dual (DC/AC) Mixed WCAM-1 CLW Co-Co 54 1975-79 2930 (DC)
3640 (AC) 		Retired
WCAM-2 CLW Co-Co 20 1995-96 3780 (DC)
4720 (AC) 		In service
WCAM-3 BHEL Co-Co 53 1997-98 4600 (DC)
5000 (AC) 		In service
WCAG series
Dual (DC/AC) Goods WCAG-1 BHEL Co-Co 12 1999-2000 4600 (DC)
5000 (AC) 		In service
Metre-gauge
Metre-gauge Electric Locomotives[4]
Traction Usage Name Image Manufacturer Axles Number built Production Power (|HP) Status
DC Goods YCG-1 English Electric Bo-Bo 4 1930 640 Retired
AC Mixed YAM-1 Mitsubishi B-B 20 1964-66 1740 Retired
EMU

In 1925, the Electric Multiple Units (EMU) introduced in Bombay were 1.5KV DC units imported were from Cammell Laird and Uerdingenwagonfabrik.[1] In the 1960s, EMUs were developed by Intergral Coach Factory (ICF) in Chennai. Indian Railways uses multiple DC units in operation in several suburban sections which are classified from WCU-1 through WCU-15. BHEL developed AC-DC dual use EMUs which can run on 25kV AC and 1.5kV DC traction lines.[1] In the late 1990s, MEMUs were developed which ran on 25KV AC power. AC Electric multiple units are designated WAU-1 to WAU-4.[5] In 2019, ICF rolled out three-phase AC units to replace conventional DC units.[6]

Diesel

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In 1954, the first diesel locomotive was used in India, which was manufactured by North British Locomotive Company.[7] In 1958, WDM-1, the first locomotive used for mainline traffic was imported from ALCO.[8] In 1964, the first broad-gauge WDM-2 diesel locomotive was rolled out by Banaras Locomotive Works.[9]

Broad-gauge
Broad-gauge Diesel Locomotives[10][4][9][11]
Usage Name Numbers Image Manufacturer Axles Number built Production Power (HP) Status
WDM series
Mixed WDM-1 17000-17099 ALCO Co-Co 100 1957-59 1950 Retired
WDM-2 16000-16887,
17100-17999,
18040-18079,
18112-18514,
18523-18900,
18903-18999 		ALCO, BLW Co-Co 2700 1962-98 2600 Retired
WDM-2G 80000,80001 BLW Co-Co 2 2013 2400 Retired
WDM-3 18515-18522 Henschel Bo-Bo 8 1970 2500 Retired
WDM-3A 13xxx,
14001-14057,
14058-14143,
16000- 		BLW Co-Co 1431 1994-98 3100 In service
WDM-3D 11101 - 11590 BLW Co-Co 500 2003-13 3300 In service
WDM-4 18000-039,
18080-18111 		GM Co-Co 72 1962 2600 Retired
WDM-6 18901,18902 BLW Bo-Bo 2 1981-82 1350 Retired
WDM-7 11001-11015 BLW Co-Co 15 1987-89 2000 Retired
WDP series
Passenger WDP-1 15001-15069 BLW, ALCO Bo-Bo 69 1995-99 2300 In service
WDP-3A 15501-15544 BLW, ALCO Co-Co 44 1998-2002 3100 In service
WDP-4 20000-20103,
40001-40608 		EMD, BLW Bo1-1Bo 711 2002-18 4000 In service
WDG series
Goods WDG-2/3A 14501-14999,
13000-13665 		BLW Co-Co 2004 1995-2010 3100 In service
WDG-4 12001-12999,
70001-70190 		EMD, BLW Co-Co 1188 1999-2018 4500 In service
WDG-4D 70301-70882,
12681 		BLW Co-Co 583 2012-2018 4500 In service
WDG-4G 49001-49700 GE Co-Co 468 2017-present 4500 In service
WDG-5 50001-50007 BLW Co-Co 7 2012-17 5500 Withdrawn[12]
WDG-6G 69001-69300 Gandhidham based WDG-6G at Ghaziabad outer station area GE Co-Co 92 2018-present 6000 In service
WDS series
Shunter WDS-1 19000-19014 GE Bo-Bo 15 1944-45 386 Retired
WDS-2 19016-19045 Krauss-Maffei C 30 1954-55 440 Retired
WDS-3 19046-19052 Maschinenbau Kiel C 7 1961 618 Retired
WDS-4

19057-19732

CLW C 662 1968-97 600-700 Retired
WDS-5 19087-19107 ALCO, BLW Co-Co 21 1967 1065 Retired
WDS-6 BLW Co-Co 270 1975– 1400 In service
WDS-8 CLW Bo-Bo 5 1979-82 800 Retired

In 2009, a YDM-4 locomotive was converted to a broad gauge shunter by Golden Rock Railway Workshop, codenamed WCDS-6, with C for "Converted" and delivered to RITES.[13]

Metre-gauge
Metre-gauge Diesel Locomotives[10][4][9][11]
Usage Name Image Manufacturer Axles Number built Production Power (HP) Status
YDM series
Mixed YDM-1 NBL B-B 20 1955-56 700 Retired
YDM-2 CLW B-B 41 1986-90 700 Retired
YDM-3 EMD B-B 30 1961-62 1390 Retired
YDM-4 ALCO, BLW Co-Co 541 1961–93 1400 In service
YDM-5 GM C-C 25 1964 1390 Retired
2 ft 6 in (760 mm) gauge
2 ft 6 in (760 mm) gauge Diesel Locomotives[10][4][9][11]
Usage Name Image Manufacturer Axles Number built Production Power (HP) Status
ZDM series
Mixed ZDM-1 Arnold Jung B-B 5 1955 290 Retired
ZDM-2 Maschinenbau Kiel B-B 25 1964-65 700 Retired
ZDM-3 CLW B-B 40 1970-82 700 In service
ZDM-4 CLW 1-B-B-1 49 1975-90 700 In service
ZDM-5 CLW B-B 41 1989 450 In service
2 ft (610 mm) gauge
2 ft (610 mm) gauge Diesel Locomotives[10][4][9][11]
Usage Name Image Manufacturer Axles Number built Production Power (HP) Status
NDM series
Mixed NDM-1 Arnold Jung B-B 7 1955 290 In service
NDM-5 CLW B-B 11 1987-89 450 In service
NDM-6 SAN B 6 1997 335 In service
Diesel multiple units

In 1993-94, Diesel multiple units (DMU) were introduced into service. Depending on their transmission system, they are classified as DEMU (diesel-electric transmission) or DHMU (diesel-hydraulic transmission).[5] With increase in electrifiction, DEMUS have been replaced by MEMUs in stages.[5]

Dual

[edit]
Broad-gauge Dual Locomotives[14][15]
Usage Name Image Manufacturer Axles Number built Production Power (HP) Status
Passenger WDAP-5 BLW Co-Co 1 2019- 4500 (Diesel)
5500 (AC) 		In trials
  1. ^ a b c d e Electrification history (Report). Indian Railways. Archived from the original on 9 June 2017. Retrieved 1 December 2023.
  2. ^ a b Cite error: The named reference EL was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference E1 was invoked but never defined (see the help page).
  4. ^ a b c d e Heritage list of locomotives (PDF) (Report). Indian Railways. Retrieved 1 December 2023.
  5. ^ a b c "Multiple Units". IRFCA. Retrieved 1 December 2023.
  6. ^ "3-phase MEMU to replace conventional DC rakes soon". The Hindu. 3 October 2019. Retrieved 1 December 2023.
  7. ^ Cite error: The named reference Gandhi was invoked but never defined (see the help page).
  8. ^ De Cet, Mirco; Kent, Alan (2006). The Complete Encyclopedia of Locomotives. Rebo International. p. 286. ISBN 978-9-0366-1505-1.
  9. ^ a b c d e Cite error: The named reference Banaras was invoked but never defined (see the help page).
  10. ^ a b c d Cite error: The named reference D1 was invoked but never defined (see the help page).
  11. ^ a b c d "Loco classes". IRFCA. Retrieved 1 December 2023.
  12. ^ Loco availability April 2024 (PDF) (Report). Indian Railways. Retrieved 1 April 2024.
  13. ^ "Locomotive FAQ". IRFCA. Retrieved 1 December 2023.
  14. ^ "Achievements of 2021". RDSO. Retrieved 1 December 2023.
  15. ^ "Railways to manufacture dual-mode locomotives that run on diesel, electricity". The Times of India. 17 January 2016. Retrieved 20 May 2020.


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