List of most powerful locomotives

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As railroads around the world haul larger quantities of freight efficiently, the title of world's most powerful locomotive has often been passed to new generations of rolling stock.

Contents

Standard

There are many ways in which a locomotive can be the largest: the heaviest, longest, most cylinders, most power, or most wheels. It is often defined as the longest in length, but even then sources differ on whether the measurement should include the tender of a steam locomotive. A steam locomotive that has a tender cannot function without it, but (with rare exceptions) the tender does not contribute to traction. To establish the "largest" category, several factors take precedence: overall weight, which gives traction over driving axles; size (length and height of engine itself); and power, which may be in terms of raw horsepower, tractive effort, available power at axles (shaft horsepower) or, in the case of steam locomotives, available steam on a sustained basis.

List

NameOriginal ownerFleet numbersManufacturerYear of manufacture Drive type Wheel arrangement Weight Tractive effort/force Power NotesImage
2ЭС10 with 2ЭС10С unit Russian Railways — Ural Locomotives 2014–presentElectric3×Bo'Bo'300 tonnes (331 short tons )1,176 kilonewtons (264,375  lbf )13,200 kilowatts (17,701  hp ) 1-hour ratingThree sections modification of 2ES10.
4ЭС5К  [ ru ]Russian Railways—Novocherkassk Electric Locomotive Plant2014–presentElectric4×Bo'Bo'392 tonnes (432 short tons )1,356 kilonewtons (304,840  lbf )13,120 kilowatts (17,594  hp ) 1-hour ratingFour sections modification of E5K.
060-EA Romanian Railways (CFR) and numerous private railways in Romania and Hungary40 (060-EA): 120 km/h, 41 (060-EA1): 160 km/h, 42: 200 km/h ASEA (first ten), Electroputere Craiova (the rest, approx. 1,000)1965-91ElectricCo'Co'120 tonnes (132 short tons )414 kilonewtons (93,000  lbf )5,100 kilowatts (6,839  hp )Powerful locomotive in the 1970s; high continuous tractive effort.
2-10-10-2 Santa Fe and Virginian Railway 3000-3009 (Santa Fe) 800-809 (Virginian) Baldwin Locomotive Works (Santa Fe)
American Locomotive Company (Virginian)		1911-1912, 1918Steam 2-10-10-2 415 tonnes (457 short tons )778 kilonewtons (175,000  lbf ) simple; 655 kilonewtons (147,200  lbf ) compound—Weight and performance figures listed for the Virginian variant, as that locomotive was the heavier and more powerful of the two.
AA20 Russian Railways — Voroshilovgrad 1934Steam4-14-4140 tonnes (154 short tons )320 kilonewtons (71,940  lbf )2,723 kilowatts (3,652  hp )Largest non-articulated steam locomotive, and the only seven-axle non-articulated steam locomotive ever built.
AD60 class New South Wales Government Railways 6001-6042 Beyer, Peacock & Company 1952–1954, 1956Steam 4-8-4+4-8-4 255 tonnes (281 short tons )265 kilonewtons (59,575  lbf )4,422 kilowatts (5,930  hp )Largest steam locomotive ever operated in Australia [1]
Ae 6/6 Swiss Federal Railways 11401-11520 SLM, MFO/BBC 1952; 1955–66ElectricCo'Co'120 tonnes (132 short tons )392 kilonewtons (88,125  lbf )4,300 kilowatts (5,766  hp ) continuousStill in operation as of October 2012
Ae 6/8 BLS, Switzerland201-208SLM / Sécheron1939Electric(1'Co)(Co1')140 tonnes (154 short tons )353 kilonewtons (79,360  lbf )4,410 kilowatts (5,914  hp ) 1-hour ratingTwo remain in working order as heritage locos[ when? ]
Ae 8/8 BLS, Switzerland271-275SLM / BBC1959-66Electric(Bo)(Bo)+(Bo)(Bo)160 tonnes (176 short tons )451 kilonewtons (101,413  lbf ) starting; 304 kilonewtons (68,343  lbf ) 1-hour rating6,472 kilowatts (8,680  hp ) 1-hour rating [2]

One preserved in working order.[ when? ]

Ae 8/14 Swiss Federal Railways 11852 SLM, MFO/BBC 1939Electric(1'A)A1'A(A1')+(1'A)A1'A(A1')236 tonnes (260 short tons )490 kilonewtons (110,160  lbf )8,162 kilowatts (10,945  hp ) 1-hour rating; 7,647 kilowatts (10,255  hp ) continuousExhibit at Swiss Museum of Transport
H-8 Allegheny Chesapeake & Ohio Railway
Virginian Railway 		1600-1659 (C&O), 900-907 (VGN) Lima Locomotive Works 1941–48Steam 2-6-6-6 544 tonnes (600 short tons )489 kilonewtons (110,000  lbf )5,593 kilowatts (7,500  hp )Two on static display
GTEL third generation Big Blow Union Pacific 1-30 (control cab), 1B-30B (turbine unit) General Electric 1958–61Gas turbine-electric C-C+C-C 425 tonnes (468 short tons )944 kilonewtons (212,312  lbf )6,315 kilowatts (8,469  hp ); over 10,000 hp at lower altitude and ambient temperatures (turbine only)Two preserved in museums; Surpassed by GT1s  [ ru ].
4884-1 Big Boy Union Pacific 4000-4019 ALCO 1941Steam 4-8-8-4 540 tonnes (595 short tons )602 kilonewtons (135,375  lbf )4,690 kilowatts (6,290  hp )Several on static display. No. 4014 in service with the UP Heritage Steam collection [3]
4884-2 Big Boy Union Pacific 4020-4024 ALCO 1944Steam 4-8-8-4 548 tonnes (604 short tons ) No. 4023 on static display.
EQJ1 China Railway 北京6001Beijing Feb. 7th1969Diesel-hydraulicD'D'183.5 tonnes (202.3 short tons )595 kilonewtons (133,821  lbf ) starting

420 kilonewtons (94,358  lbf ) continuous

4,413 kilowatts (5,918  hp );
3,972 kilowatts (5,326  hp ) in actual service		Most powerful diesel-hydraulic locomotive ever built.
Challenger Union Pacific 3950-3999 ALCO 1936–43Steam 4-6-6-4 485 tonnes (535 short tons )433 kilonewtons (97,350  lbf )3,728 kilowatts (5,000  hp )Two locomotives preserved, one on static display. Union Pacific 3985 operated for company PR and occasional excursion service from 1981 to 2010. Donated to Railroading Heritage of Midwest America in April 2022 [4]
China Railways DF8DJ China Railway DF8DJ0001, later DF8B5672 CSR Ziyang 2006Diesel-electricCo'Co'150 tonnes (165 short tons )580 kilonewtons (130,389  lbf ) starting

440 kilonewtons (98,916  lbf ) continuous

4,800 kilowatts (6,437  hp )Most powerful single-engine diesel locomotive ever built.
China Railways HXD1 China Railway HXD10001 - HXD10220CSR Zhuzhou Electric Locomotive, Siemens2006–08ElectricBo'Bo'+Bo'Bo'200 tonnes (220 short tons )760 kilonewtons (170,855  lbf ) starting9,600 kilowatts (12,874  hp ) continuous—
China Railways HXD1B China Railway HXD1B0001-HXD1B0500CSR Zhuzhou Electric Locomotive, Siemens2009–ElectricCo'Co'150 tonnes (165 short tons )—9,600 kilowatts (12,874  hp )One of the most powerful single-frame locomotives currently[ when? ] in series production.
China Railways HXD1C China Railway HXD1C0001-HXD1C0990CSR Zhuzhou Electric Locomotive, Siemens2009–ElectricCo'Co'150 tonnes (165 short tons )570 kilonewtons (128,141  lbf ) starting7,200 kilowatts (9,655  hp )—
China Railways HXD2 China Railway HXD20001-

HXD20180

 Datong Electric Locomotive, Alstom2006–08ElectricBo'Bo'+Bo'Bo'200 tonnes (220 short tons )760 kilonewtons (170,855  lbf ) starting10,000 kilowatts (13,410  hp ) continuous—
China Railways HXD2B China Railway HXD2B0001-HXD2B0500Datong Electric Locomotive, Alstom2009–ElectricCo'Co'150 tonnes (165 short tons )584 kilonewtons (131,288  lbf ) starting;

455 kilonewtons (102,288  lbf ) continuous

9,600 kilowatts (12,874  hp ) [5]

One of the most powerful single-frame locomotives currently[ when? ] in series production.

China Railways HXD2C China Railway HXD2C0001-Datong Electric Locomotive, Alstom2010–ElectricCo'Co'150 tonnes (165 short tons )570 kilonewtons (128,141  lbf ) starting;

400 kilonewtons (89,924  lbf ) continuous

7,200 kilowatts (9,655  hp )—
China Railways HXD3 China Railway HXD30001-HXD30890, HXD38001-38150 Toshiba, Dalian Locomotive2006–09ElectricCo'Co'150 tonnes (165 short tons )570 kilonewtons (128,141  lbf )7,200 kilowatts (9,655  hp )—
China Railways HXD3B China Railway HXD3B0001-HXD3B0500Dalian, Bombardier 2009–ElectricCo'Co'150 tonnes (165 short tons )570 kilonewtons (128,141  lbf ) starting; 506 kilonewtons (113,753  lbf )9,600 kilowatts (12,874  hp ) 1-hour ratingOne of the most powerful single-frame locomotives currently[ when? ] in series production.
China Railways HXD3C China Railway HXD3C0001-Dalian, Bombardier2010–ElectricCo'Co'150 tonnes (165 short tons )570 kilonewtons (128,141  lbf ) starting;

400 kilonewtons (89,924  lbf ) continuous

7,200 kilowatts (9,655  hp ) [6] [7]
China Railways HXN3 China Railway HXN30001 - HXN30300Dalian Locomotive, Electro-Motive Diesel 2008–Diesel-ElectricCo'Co'150 tonnes (165 short tons )620 kilonewtons (139,382  lbf ) starting;

598 kilonewtons (134,436  lbf ) continuous

4,660 kilowatts (6,249  hp )Most powerful diesel-electric locomotive in active production.[ when? ]
China Railways HXN5 China Railway HXN50001 - HXN50300GE, CRRC Qishuyan 2008–Diesel-ElectricCo'Co'150 tonnes (165 short tons )623 kilonewtons (140,000  lbf ) starting; 565 kilonewtons (127,000  lbf ) continuous4,661 kilowatts (6,250  hp )Most powerful diesel-electric locomotive in active production.[ when? ]
Class 461 Železnice Srbije, SerbiaŽS461-0/1, ŽS461-2 Electroputere Craiova, Romania1965–91ElectricCo'Co'120 tonnes (132 short tons )392 kilonewtons (88,125  lbf )5,696 kilowatts (7,638  hp )Operational in Romania, Serbia, Montenegro, Bulgaria, Hungary & Macedonia.[ when? ]
DB Class 101 Deutsche Bahn 101 001-145 Adtranz 1996–99ElectricBo'Bo'83 tonnes (91 short tons )300 kilonewtons (67,443  lbf )6,400 kilowatts (8,583  hp ) continuousMaximum speed 220 km/h (137 mph).
DB Class 103 Deutsche Bahn 103 101-245 AEG, Brown, Boveri & Cie, Henschel, Krauss-Maffei, Krupp, Siemens 1970–73ElectricCo'Co'114 tonnes (126 short tons )312 kilonewtons (70,140  lbf )12,133 kilowatts (16,270  hp ) or 10,365 kilowatts (13,900  hp ) short term;

7,780 kilowatts (10,433  hp ) 1-hour rating; 7,440 kilowatts (9,977  hp ) continuous rating

One of the most powerful electric locomotives ever built, it also is the most powerful (short term) single-frame locomotive ever built (currently[ when? ] its maximum short term power is limited to 9,000 kilowatts (12,069  hp ) [8] ); It has immense short term power with a tractive effort of 312 kN up to a speed of 140 km/h (87 mph).
DB Class 151 Deutsche Bahn 151 001-170 AEG, BBC, Henschel, Krauss-Maffei, Krupp, Siemens 1972–78ElectricCo'Co'118 tonnes (130 short tons )395 kilonewtons (88,800  lbf )6,288 kilowatts (8,432  hp )Powerful freight locomotive in the 1970s with high continuous tractive effort.
DSB EG DB Schenker Rail 3103-3113 Siemens 1999–2000ElectricCo'Co'132 tonnes (146 short tons )400 kilonewtons (89,924  lbf )6,500 kilowatts (8,717  hp ) continuousOne of the most powerful single-frame electric locomotives in operation in Europe[ when? ]; surpassed by Euro 9000  [ de ].
EMD DDA40X Union Pacific 6900-6946 Electro-Motive Diesel 1969–71Diesel-electricDo'Do'244 tonnes (269 short tons )507 kilonewtons (113,940  lbf ) starting; 458 kilonewtons (103,000  lbf ) continuous4,922 kilowatts (6,600  hp ) One operational, 13 in various museums; largest operational single-unit diesel locomotive and the most powerful.[ when? ]
EMD SD70ACe-T4 Union Pacific

BNSF CSX

3000-3099 (Union Pacific) Electro-Motive Diesel (EMD)2015–presentDiesel-electricCo'Co'194 tonnes (214 short tons )890 kilonewtons (200,000  lbf ) starting

778 kilonewtons (175,000  lbf ) continuous

3,281 kilowatts (4,400  hp )—
EMD SD90MAC Union Pacific 8500-8561 Electro-Motive Diesel 1996–2002Diesel-electricCo'Co'193 tonnes (213 short tons )890 kilonewtons (200,000  lbf ) starting; 734 kilonewtons (165,000  lbf ) continuous4,698 kilowatts (6,300  hp )Retired from service, some on lease with EMLX[ when? ].
Erie Class P-1 Erie Railroad 2603-2605, later 5014-5016 Baldwin Locomotive Works 1914-1916Steam 2-8-8-8-2 531 tonnes (585 short tons )784 kilonewtons (176,256  lbf )—Maximum speed approx. 10 mph.
EuroSprinter Deutsche Bahn, ÖBB — Krauss-Maffei, Siemens 1996–2001ElectricBo'Bo'86 tonnes (95 short tons )300 kilonewtons (67,443  lbf )7,300 kilowatts (9,790  hp ) short term;

6,400 kilowatts (8,583  hp ) continuous

Maximum speed 230 km/h (143 mph); Taurus Rh 1216 050-5 holds the world speed record for conventional electric locomotives [ when? ] at 357 km/h (222 mph).
Eurotunnel Class 9 Getlink 9000Euroshuttle Locomotive Consortium1993-2002Electric Bo-Bo-Bo 132 tonnes (146 short tons )400 kilonewtons (89,924  lbf ) starting;

310 kilonewtons (69,691  lbf ) continuous

7,000 kilowatts (9,387  hp )Always used in pairs (one at each end of the train). Early versions were 5,600 kilowatts (7,510  hp ) but most have been rebuilt to 7 MW.
GE AC6000CW Union Pacific; CSX; BHP 600–699, 5000–5016, 6070–6077, 7500-7579 (being overhauled[ when? ] and renumbered 69xx)General Electric1996–2001Diesel-electricCo'Co'196 tonnes (216 short tons )836 kilonewtons (188,000  lbf ) starting; 738 kilonewtons (166,000  lbf ) continuous4,661 kilowatts (6,250  hp )Actual HP output on early production units is 4,350 hp due to use of the 7FDL engine.
GT1s  [ ru ]Russian Railways—Sinara transport machines—Gas turbine-electric—360 tonnes (397 short tons )980 kilonewtons (220,313  lbf )8,300 kilowatts (11,130  hp )Currently the most powerful non-electric locomotive ever produced.
H220 Victorian Railways H class Newport Workshops 1941–1958Steam 4-8-4 265 tonnes (292 short tons )245 kilonewtons (55,060  lbf )2,685 kilowatts (3,600  hp )The most powerful steam locomotive built in Australia at the time. Only one was constructed, preserved at the Australian Railway Historical Society Museum. [9]
Indian locomotive class WAG-7 Indian Railways 27001–27999, 28000–28770, 24501-24700 Chittaranjan Locomotive Works, India, BHEL, India 1992ElectricCo'Co'132 tonnes (146 short tons )601 kilonewtons (135,000  lbf )3,989 kilowatts (5,350  hp )The WAG-7 is one of the most successful locomotives of Indian Railways currently serving both freight and passenger trains for over 31 years
Indian locomotive class WAG-9 Indian Railways Chittaranjan Locomotive Works, Electric Locomotive Works, Bhusawal 1996–ElectricCo'Co'123 tonnes (136 short tons )445 kilonewtons (100,000  lbf ); 325 kilonewtons (73,000  lbf ) continuous4,922 kilowatts (6,600  hp )WAG-9 has quickly become one of the important locos in the Indian railways.
Indian locomotive class WAG-9H Indian Railways Chittaranjan Locomotive Works, Electric Locomotive Works, Bhusawal 2000–ElectricCo'Co'132 tonnes (146 short tons )534 kilonewtons (120,000  lbf )
Continuous:325 kilonewtons (73,000  lbf )		4,922 kilowatts (6,600  hp )The WAG-9 locomotive is referred to as the "Heavy Haul" freight locomotive of the Indian Railways
Indian locomotive class WAG-9HH Indian Railways 90001+ Chittaranjan Locomotive Works, India 2019-ElectricCo'Co'135 tonnes (149 short tons )6,711 kilowatts (9,000  hp )A passenger variant of the WAG-9 was developed namely the WAP-7 locomotive by modifying the gear ratio to pull lighter loads at higher speeds.
Indian locomotive class WAG-11 Indian Railways 29001+ Banaras Locomotive Works Varanasi 2018–PresentElectricCo'Co'+Co'Co'8,948 kilowatts (12,000  hp )India's Indigenously developed 12000hp electric loco.
Indian locomotive class WAG-12 Indian Railways WAG12B60001+ onward ELF Madhepura 2018–presentElectricBo'Bo'+Bo'Bo'180 tonnes (198 short tons )

Up-gradable to 200 tonnes (220 short tons )

785 kilonewtons (176,475  lbf ) starting

8,948 kilowatts (12,000  hp )

With a power output of 12,000 hp, the WAG 12 is twice as powerful as its immediate predecessor, WAG-9.
IORE MTAB IORE 101 - 126 Bombardier 2000–04ElectricCo'Co'+Co'Co'360 tonnes (397 short tons )1,400 kilonewtons (314,732  lbf )10,800 kilowatts (14,483  hp )
continuous rating (for a pair)		The most powerful double-frame locomotive in series production.[ when? ] It is possible to operate individual halves, however it is not usually done.
Jawn Henry Norfolk & Western 2300 Baldwin Locomotive Works 1954-58Steam turbine electric C+C-C+C 404 tonnes (445 short tons )778 kilonewtons (175,000  lbf ) [10] 3,356 kilowatts (4,500  hp )Struck from the N&W roster on January 4, 1958.
JR Freight Class EF200 JR Freight — Hitachi 1990–ElectricBo'Bo'Bo'100.8 tonnes (111 short tons )261 kilonewtons (58,643  lbf )6,000 kilowatts (8,046  hp )Most powerful single-frame narrow-gauge locomotive in series production[ when? ].
Korail Class 8500 Korail 8501-8587 Hyundai Rotem 2012-2014ElectricCo'Co'132 tonnes (146 short tons )450 kilonewtons (101,164  lbf )6,600 kilowatts (8,851  hp ) [11]
Leone Rock DF8BJ Leone Rock Metal Group LRMG-001 to 010 CRRC Ziyang 2024Diesel-electricCo'Co'3,680 kilowatts (4,935  hp )Most powerful narrow-gauge diesel locomotive in single frame [12]
Little Joe Milwaukee Road EF-4 and EP-4 General Electric 1950-80Electric2-D+D-2247.5 tonnes (273 short tons )337 kilonewtons (75,700  lbf )3,811 kilowatts (5,110  hp )Maximum speed of 68 mph, used for freight and passenger.
M-1 Chesapeake and Ohio Railway 500-502 Baldwin Locomotive Works 1947–50Steam turbine electric2-C1-2-C1-B (4-8-0-4-8-4)428 tonnes (472 short tons )436 kilonewtons (98,000  lbf )4,474 kilowatts (6,000  hp ) turbine; 3,699 kilowatts (4,960  hp ) generatorsNicknamed "Sacred Cows". Sold back to Baldwin in 1950 and scrapped.
Class M-137 Western Pacific Railroad 251-260 Baldwin Locomotive Works 1931, 1938Steam 2-8-8-2 487 tonnes (537 short tons )610 kilonewtons (137,174  lbf )—Largest steam locomotives owned by Western Pacific. [13]
MPXpress MP54AC GO Transit 667-682 MotivePower Industries 2017-2018Diesel-electricBo'Bo'127–132 tonnes (140–145 short tons )369 kilonewtons (82,900  lbf ) starting; 226 kilonewtons (50,700  lbf ) continuous3,430 kilowatts (4,600  hp ) traction; 4,027 kilowatts (5,400  hp ) gross [14]

Highest power diesel passenger locomotive in North America

Norfolk & Western Y Class Norfolk & Western — Roanoke Shops 1940sSteam 2-8-8-2 449 tonnes (495 short tons )738 kilonewtons (166,000  lbf )4,176 kilowatts (5,600  hp ) Norfolk and Western 2156 is strongest-pulling steam locomotive still in existence[ when? ].
PRR GG1 Pennsylvania Railroad, Penn Central, Conrail, Amtrak and NJ Transit 4800–4938, 900-929 Altoona Works, General Electric 1934–43Electric 2-C+C-2 (4-6-6-4)216.4 tonnes (239 short tons )291 kilonewtons (65,500  lbf )3,452 kilowatts (4,629  hp )Most scrapped; the prototype and 15 production locomotives have been preserved in museums.
PRR Q2 Pennsylvania Railroad 6131, 6175-6199 Altoona Works 1941–45Steam 4-4-6-4 456 tonnes (503 short tons )515 kilonewtons (115,816  lbf ) with booster5,956 kilowatts (7,987  hp )Most powerful steam locomotive ever static tested.
PRR S1 Pennsylvania Railroad 6100 Altoona Works 1939Steam 6-4-4-6 487 tonnes (537 short tons )340 kilonewtons (76,403  lbf )5,369 kilowatts (7,200  hp )Fast passenger steam locomotive; the magazine Popular Mechanics cites 1941 a speed of 133.4 mph (214.7 km/h)
PRR S2 Pennsylvania Railroad 6200 Baldwin Locomotive Works 1944Steam turbine direct-drive 6-8-6 470 tonnes (518 short tons )314 kilonewtons (70,500  lbf )5,145 kilowatts (6,900  hp )Most powerful steam turbine locomotive ever built.
Re 4/4 BLS, SwitzerlandRe 425 161-Re 425 195)SLM / BBC1964-83ElectricBo'Bo'80 tonnes (88 short tons )314 kilonewtons (70,548  lbf )4,980 kilowatts (6,678  hp ) 1-hour rating [15]

In operation as of October 2012

Re 465 BLS, Switzerland Re 465 001-465 0018 SLM, ABB 1994-97ElectricBo'Bo'84 tonnes (93 short tons )320 kilonewtons (71,940  lbf )7,002 kilowatts (9,390  hp ) short term 6,271 kilowatts (8,410  hp ) continuous;Similar locomotives with slightly different technical data are in operation with SBB (Re 460; 119 pc/NSB (El 18; 22 pc)/VR (Sr2; 46 pc)/KCRC (Hong Kong; 2 pc).
Re 6/6 SBB, Switzerland 11601-11689 SLM, MFO/BBC/Sécheron 1972, 1975–80ElectricBo'Bo'Bo'120 tonnes (132 short tons )394 kilonewtons (88,626  lbf )7,796 kilowatts (10,455  hp ) 1-hour rating

7,240 kilowatts (9,708  hp ) continuous

[16]

At the time of construction (1972) one of the world's most powerful locomotives. Currently in operation as of May 2022 with the revised classification of Re 620.

Shen 12 Shenhua Mining Group HXD1.7CRRC ZhuzhouElectric3×Bo'Bo'276 tonnes (304 short tons )1,140 kilonewtons (256,282  lbf ) starting14,400 kilowatts (19,311  hp ) continuous ratingThree-section modification of the HXD1.
Shen 24 [17] [18] Shenhua Mining Group CRRC Zhuzhou2020–presentElectric6×Bo'Bo'2,280 kilonewtons (512,564  lbf )28,800 kilowatts (38,621  hp )Six-section modification of HXD1, 106 metres (348  ft ) long overall.
SJ Dm3 SJ — ASEA 1953–71Electric1'D+D+D1'273 tonnes (301 short tons )940 kilonewtons (211,320  lbf )7,200 kilowatts (9,655  hp )Highest continuous tractive effort when built, most powerful locomotive using jackshafts.
Softronic Transmontana Romanian Railways (CFR) and diverse private railways in Romania and Hungary480 (Romania) 610 (Hungary)Softronic Craiova 2010–presentElectricCo'Co'120 tonnes (132 short tons )435 kilonewtons (97,800  lbf )6,600 kilowatts (8,851  hp ) 1-hour rating;

6,000 kilowatts (8,046  hp ) continuous

Based on the ASEA 060-EA, but with asynchronous traction motors, IGBT and computerized control.
Stadler Euro Dual N/AN/A Stadler Rail 2012Dual power electro-diesel locomotiveCo'Co'114 tonnes (126 short tons ) - 126 tonnes (139 short tons )500 kilonewtons (112,500  lbf )7,000 kilowatts (9,387.15  hp )
Stadler Euro 9000  [ de ] European Loc Pool  [ de ]2019 302– Stadler Rail 2020–Dual power electro-diesel locomotiveCo'Co'123 tonnes (136 short tons )500 kilonewtons (112,404  lbf )9,000 kilowatts (12,069  hp ) AC mode [19] [20]
Most powerful (continuous) single-frame locomotive in Europe.
Union Pacific 9000 class Union Pacific 9000-9087 American Locomotive Company 1926-1930Steam 4-12-2 355 tonnes (391 short tons )434 kilonewtons (97,664  lbf )3,542 kilowatts (4,750  hp )—
Union Pacific Coal GTELs Union Pacific 80 (later 8080) Union Pacific Omaha Shops1961Diesel-electric + gas turbine-electricA1A-A1A+2-D-D-2661 tonnes (729 short tons )—5,220 kilowatts (7,000  hp ) (2,000 hp Diesel + 5,000 hp turbine)Home-built experimental coal-fired gas turbine. Assembled from ALCO PA-1 UP #607, GN W1 #5018, and the tender from Challenger #3990. 215 feet (66  m ) overall length; 1,457,280 pounds (661,011 kg) total weight. Unsuccessful; set aside in 1964 and scrapped in 1968.
Virginian Railway EL-3A Virginian Railway 100-109 ALCO + Westinghouse 1925-1926Electric1-D-1+1-D-1+1-D-1624 tonnes (688 short tons )1,234 kilonewtons (277,500  lbf )5,313 kilowatts (7,125  hp ) (1-hour rating); 4,474 kilowatts (6,000  hp ) continuous152.25 feet (46  m ) overall length.
ВЛ85 Russian Railways 270 Novocherkassk Electric Locomotive Plant 1983-94ElectricBo'Bo'Bo'+Bo'Bo'Bo'300 tonnes (331 short tons )932 kilonewtons (209,522  lbf )9,359 kilowatts (12,550  hp ) continuous; 10,020 kilowatts (13,437  hp ) short term—
Voith Maxima —— Voith 2006–14Diesel-hydraulicCo'Co'135 tonnes (149 short tons )408 kilonewtons (91,722  lbf )3,600 kilowatts (4,828  hp ) engine (Maxima 40CC) [21]

Voith Maxima 40CC is the most powerful single-engine diesel-hydraulic locomotive ever built.

XA Triplex Virginian Railway 700 Baldwin 1916Steam 2-8-8-8-4 532 tonnes (586 short tons )741 kilonewtons (166,600  lbf ) compound—Rebuilt into separate locomotives; Maximum speed approx. 10 mph.
Yellowstone Northern Pacific, Duluth, Missabe & Iron Range Railway and Baltimore & Ohio 220-237 (DM&IR) Baldwin Locomotive Works 1928-1945Steam 2-8-8-4 566 tonnes (624 short tons )623 kilonewtons (140,093  lbf )4,661 kilowatts (6,250  hp )Figures are for the DM&IR Yellowstones, the largest and generally the most well-known of their type.

See also

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A diesel locomotive is a type of railway locomotive in which the power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels. The most common are diesel–electric locomotives and diesel–hydraulic.

<span class="mw-page-title-main">Electric locomotive</span> Locomotive powered by electricity

An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor. Locomotives with on-board fuelled prime movers, such as diesel engines or gas turbines, are classed as diesel–electric or gas turbine–electric and not as electric locomotives, because the electric generator/motor combination serves only as a power transmission system.

<span class="mw-page-title-main">4-8-4</span> Locomotive wheel arrangement

Under the Whyte notation for the classification of steam locomotives, 4-8-4 represents the wheel arrangement of four leading wheels on two axles, eight powered and coupled driving wheels on four axles and four trailing wheels on two axles. The type was first used by the Northern Pacific Railway, and initially named the Northern Pacific, but railfans and railroad employees have shortened the name since its introduction. It is most-commonly known as a Northern.

The UIC classification of locomotive axle arrangements, sometimes known as the German classification or German system, describes the wheel arrangement of locomotives, multiple units and trams. It is used in much of the world, notable exceptions being the United Kingdom and North America.

<span class="mw-page-title-main">Steam turbine locomotive</span> Locomotive using a steam turbine

A steam turbine locomotive was a steam locomotive which transmitted steam power to the wheels via a steam turbine. Numerous attempts at this type of locomotive were made, mostly without success. In the 1930s this type of locomotive was seen as a way to both revitalize steam power and challenge the diesel locomotives then being introduced.

<span class="mw-page-title-main">SBB Re 420</span> Class of Swiss electric locomotives

The Re 420, originally and still widely called Re 4/4II, are a series of versatile standard gauge electric locomotives of Swiss Federal Railways, but are also used by BLS AG and private companies. They were produced over a period of 21 years, from 1964 to 1985, and are currently used mainly for freight operations but still also for some push-pull passenger train services. It is the largest series of locomotives of Swiss Federal Railways and they are the most common type of locomotive in Switzerland.

<span class="mw-page-title-main">NS Class 1000</span> Class of Dutch electric locomotives

The Nederlandse Spoorwegen (NS) Class 1000 was a set of ten electric locomotives used in the Netherlands during the latter half of the 20th century. The electrical systems and three completed units were ordered from the Swiss Locomotive and Machine Works in 1942, but the war blocked delivery until 1948. Despite high failure rates the locomotives remained in service until 1982, and locomotive 1010—built by Werkspoor—is now preserved in the Dutch National Railway Museum.

<span class="mw-page-title-main">SBB A 3/5</span> Swiss steam locomotive

The Swiss Class A 3/5 locomotives were built between 1902 and 1922 for the Jura–Simplon Railway, and the Gotthard Railway. These railways were absorbed into Swiss Federal Railways in 1903. In total 111 4-6-0 locomotives of this type were built by Schweizerische Lokomotiv- und Maschinenfabrik in Winterthur, Switzerland.

<span class="mw-page-title-main">DBAG Class 128</span>

128 001, as registered at Deutsche Bahn, or 12X, as named by its manufacturer AEG Schienenfahrzeuge and its successive owners ADtranz and Bombardier Transportation, is an experimental high-performance electric locomotive built in 1994, which was operated as testbed and test locomotive until 2010. The design of the locomotive featured several technological innovations, including power electronics using new types of semiconductors and water cooling, a new final drive concept, a new bogie concept, and protruding windflaps for improved aerodynamics that gave the locomotive a unique look.

<span class="mw-page-title-main">SBB Be 4/6 12301</span> 1919 Swiss electric locomotive

The Be 4/6 12301 was one of four test locomotives ordered by the Schweizerische Bundesbahnen (SBB) in June 1917. For gaining experience for ordering electrical locomotives this locomotive should – as her three sisters Be 3/5 12201, Be 4/6 12302 and Ce 6/8I14201 – have been used for services on the Gotthardbahn. The Be 4/6 12301 was the alternative design of MFO for a fast train locomotive for the Gotthard railway line. She was designed and built according to the requirement specifications of the SBB. But – except for occasional trips to the maintenance shop of Bellinzona – did not appear on the Gotthard railway line. The design was intrinsically reliable. The locomotive operated for 44 years in very various services. The locomotive drivers liked the locomotive because her driving behaviour was very smooth even at top speed. But technically the locomotive was much more complicated than their sisters Be 4/6 12302 and Be 4/6 12303-12342.

<span class="mw-page-title-main">SBB Be 4/6 12302</span> Swiss test electric locomotive

The Be 4/6 12302 was one of four test locomotives ordered by the Schweizerische Bundesbahnen (SBB) in June 1917, along with the Be 3/5 12201, Be 4/6 12301 and Ce 6/8I14201. It was intended to be used on the Gotthardbahn, in order to gain experience in ordering and operating electric locomotives, However, the Be 4/6 12302 was never used for scheduled services on the Gotthard, because at its introduction it was already outperformed by the successor class Be 4/6 12303-12342.

<span class="mw-page-title-main">SNCF 232.P.1</span>

SNCF 232.P.1 was an experimental prototype high-pressure steam locomotive ordered by the Chemins de fer du Nord, but delivered to the Société nationale des chemins de fer français (SNCF) in 1939. It was the first and only member of SNCF's first class of 4-6-4 or Hudson type of locomotives.

<span class="mw-page-title-main">Seebach-Wettingen railway electrification trial</span>

The Seebach-Wettingen railway electrification trial (1905-1909) was an important milestone in the development of electric railways. Maschinenfabrik Oerlikon (MFO) demonstrated the suitability of single-phase alternating current at high voltage for long-distance railway operation with the Seebach-Wettingen single-phase alternating current test facility. For this purpose, MFO electrified the 19.45-kilometre-long Swiss Federal Railways (SBB) route from Seebach to Wettingen at its own expense with single-phase alternating current at 15,000 volts.

<span class="mw-page-title-main">BTB E2E</span> Swiss electric locomotive

The BTB E2E, also known as F 2/2 and De 2/2, were a pair of Swiss electric locomotives operated by Burgdorf Thun Bahn (BTB) in the early twentieth century. They are the oldest three phase locomotives designed for full service operation that have been preserved. The locomotives were built by Brown, Boveri & Cie (BBC) and Schweizerische Lokomotiv- und Maschinenfabrik (SLM) and entered service in 1899. They were powered by two 110 kW (150 hp) 750V AC electric motors which drove two axles. A two speed gearbox enabled the locomotives to travel at 18 km/h (11 mph) and 36 km/h (22 mph), the latter for passenger transport. The gearbox was later upgraded, raising the speed to 50 km/h (31 mph). Relegated to secondary duties when more powerful designs were introduced, the locomotives provided valuable service until 1930.

<span class="mw-page-title-main">Burgdorf–Thun railway</span> First electrified mainline railway in Europe, in Switzerland

The Burgdorf–Thun railway is a railway line in Switzerland, which was built by the Burgdorf-Thun-Bahn. The line from Burgdorf via Konolfingen to Thun was opened by the company in 1899 as the first electrified mainline railway in Europe. It is now part of BLS AG.

<span class="mw-page-title-main">Vitznau–Rigi railway line</span> Railway line in Switzerland

The Vitznau–Rigi railway line is a Swiss standard gauge rack railway that runs from Vitznau on the shore of Lake Lucerne to Rigi. It was built in 1871 by the Rigibahn, and is now owned by Rigi Railways, along with the Arth–Rigi railway line, which runs on the other side of the mountain, and the Weggis–Rigi Kaltbad cable car.

<span class="mw-page-title-main">Indian locomotive class WCP-4</span>

The Indian locomotive class WCP-4 was a single-member class of 1.5 kV DC electric locomotive that was developed in late 1920s by Swiss Locomotive and Machine Works (SLM) for Indian Railways. The model name stands for broad gauge (W), Direct Current (C), Passenger traffic (P) engine, 4th generation (4). The locomotive was built at England between 1928 and 1929, and entering service in 1930.

The Indian locomotive class WCP-3 was a single-member class of 1.5 kV DC electric locomotive that was developed in late 1920s by Hawthorn Leslie for Indian Railways. The model name stands for broad gauge (W), Direct Current (C), Passenger traffic (P) engine, 3rd generation (3). The locomotive was built at England between 1928 and 1929, and entering service in 1930.

<span class="mw-page-title-main">Indian locomotive class WCP-2</span>

The Indian locomotive class WCP-2 is a class of 1.5 kV DC electric locomotives that was developed in late 1920s by Swiss Locomotive and Machine Works (SLM) for Indian Railways. The model name stands for broad gauge (W), Direct Current (C), Passenger traffic (P) engine, 2nd generation (2). They entered service in 1938. A single WCP-1 was built at England in 1938.

References

  1. ↑ NSWGR AD60 Class Beyer-Garratt Locos Locomotives International issue 132 August 2021 page 16
  2. ↑ Grossmann, W. (1959). "Zugförderung am Lötschberg und Beschreibung der Ae8/8 Lokomotive". Schweizerische Bauzeitung (in German). 77 (39): 629. Retrieved 20 August 2024.
  3. ↑ Big Boy 4014 is back: UP restores, runs iconic train Railway Age May 8, 2019
  4. ↑ Union Pacific donates Challenger for overhaul Steam Railway issue 532 May 27, 2022 page 22
  5. ↑ "HXD2B型大功率交流传动电力机车". China CNR. Archived from the original on 4 October 2011.
  6. ↑ "HXD3C passenger/freight electric locomotive". CRRC. 2016-05-04. Archived from the original on 2023-04-11.
  7. ↑ "Type HXD3C Electric Locomotive". CRRC. 2016. Retrieved 11 November 2024.
  8. ↑ "The Queen of German Electrics: Re-tooled class 103 from Roco".[ user-generated source ]
  9. ↑ "Heavy Harry, H220". Newsrail . Vol. 6, no. 4. Vic: ARHS Victoria Division. April 1978. p. 55. ISSN   0310-7477. OCLC   19676396.
  10. ↑ "The N&W's Jawn Henry". www.american-rails.com. Retrieved 2018-07-10.
  11. ↑ "8500호대" (in Korean). Railway Industry Information Center, Ministry of Land, Infrastructure and Transport (South Korea) . Retrieved 24 August 2024.
  12. ↑ "The world's highest-power narrow-gauge AC drive diesel locomotives exported to Sierra Leone are successfully online to operate".
  13. ↑ Bronte, Phil. "Western Pacific's Steam Locomotive Fleet - An Overview" (PDF). www.wplives.org.
  14. ↑ "MP 54AC Tier 4 Commuter Locomotive" (PDF). transittoronto.ca.
  15. ↑ Grossmann, W. (1973). "Die Thyristor-Stromrichter-Lokomotive Re 4/4 161 der Berner Alpenbahn-Gesellschaft Bern-Lötschberg-Simplon (BLS)". Schweizerische Bauzeitung (in German). 91 (14): 331. Retrieved 21 August 2024.
  16. ↑ Meyer, Karl (1972). "Die Prototyplokomotiven der Serie Re 6/6 der Schweizerischen Bundesbahnen". Schweizerische Bauzeitung (in German). 90 (48): 1230. Retrieved 21 August 2024.
  17. ↑ "28·8 MW freight locomotive unveiled" . Railway Gazette International . 2020-08-04. Archived from the original on 2020-09-28. Retrieved 2023-01-04.
  18. ↑ "CRRC Zhuzhou unveils 28.8MW electric freight locomotive". International Railway Journal . 2020-08-04. Retrieved 2020-08-09.
  19. ↑ Meyer, Stefan (2023). "Abnahme der 2019 310 für Lokomotion". Fahrzeug-Journal. der schienenbus  [ de ] (in German). No. 6/2023. Arbeitsgemeinschaft Schienenverkehr e.V.
  20. ↑ "EURO 9000 | STADLER" (PDF). Alpha Trains . Retrieved 22 September 2024.
  21. ↑ "Dieselhydraulische Lokomotiven. Maxima 30 und 40 CC" (PDF) (in German). Voith Turbo GmbH & Co. KG. p. 4. Archived from the original (PDF) on 2014-05-09.
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