name |
railway |
series |
maker |
dates |
drive |
wheel arrangement |
weight |
power |
notes |
Re 465 |
BLS, Switzerland |
Re 465 001-465 0018 |
SLM, ABB |
1994-97 |
electric |
Bo-Bo |
84 t |
9,520 horsepower (7,099 kW)
[Tractive force: 300 kN (30.6 tons)
|
most powerful locomotive with only four axles, 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, 1975–80 |
electric |
Bo-Bo-Bo |
120 t |
10,908 horsepower (8,134 kW) Tractive force: 398 kN (41 tons) |
in operation (October 2012), revised classification Re 620, most powerful single-frame locomotive till China Railways HXD1B appeared |
Re 4/4 |
BLS, Switzerland |
Re 425 161-Re 425 195) |
SLM / BBC |
1964-83 |
electric |
(Bo)(Bo) |
80 t |
6,772 horsepower (5,050 kW) Tractive force 314 kN (32 tons) |
in operation (October 2012) |
Ae 8/8 |
BLS, Switzerland |
271-275 |
SLM / BBC |
1959-66 |
electric |
(Bo)(Bo)+(Bo)(Bo) |
160 t |
8,806 horsepower (6,567 kW), tractive force 471 kN (48 tons) |
1 preserved in working order |
AD43C |
Iranian Railways(RAI) |
2001-2100 |
ALSTOM |
2001 |
Diesel Electric |
Co'Co' |
120 t |
4,300 horsepower (3,207 kW) |
about 50 locomotives are stopped because of failures in the RK215 diesel engine |
Ae 6/6 |
SBB, Switzerland |
11401-11520 |
SLM, MFO/ BBC |
1952; 1955–66 |
electric |
Co-Co |
120 t |
6,000 horsepower (4,474 kW) [Tractive force: 392 kN (40 tons) |
still in operation (October 2012) |
Ae 6/8 |
BLS, Switzerland |
201-208 |
SLM / Sécheron |
1939 |
electric |
(1'Co)(Co1') |
140 t |
6,000 horsepower (4,474 kW), tractive force 353 kN (36 tons) |
2 remain in working order as heritage locos |
Ae 8/14 |
SBB, Switzerland |
11852 |
SLM, MFO/ BBC |
1939 |
electric |
(1'A)A1'A(A1')+(1'A)A1'A(A1') |
236 t |
11,000 horsepower (8,203 kW), Tractive force: 490 kN (50 tons) |
Exhibit at Swiss Transport Museum |
PRR GG1 |
Pennsylvania Rail Road (PRR), Penn Central, Conrail, Amtrak & NJ Transit |
4800-4938, 900-929 |
Altoona Works, General Electric |
1934–43 |
Electric |
2-C+C-2 (4-6-6-4) |
208.9 to 216.4 |
4,629 horsepower (3,452 kW), Tractive Effort: 65,500 lbf |
Most scrapped; the prototype and 15 production locomotives preserved in museums |
Class 461 |
Železnice Srbije, Serbia |
ŽS461-0/1, ŽS461-2 |
Electroputere Craiova, Romania |
1965–91 |
Electric |
Co'Co' |
120 t |
7,638 horsepower (5,696 kW) |
Operational in Romania, Serbia, Montenegro, Bulgaria, Hungary & Macedonia. |
Allegheny |
Chesapeake and Ohio Railway (C&O) & Virginian Railway (VGN) |
1600-1659 (C&O), 900-907 (VGN) |
Lima Locomotive Works |
1941–48 |
Steam |
2-6-6-6 |
544 t |
7,500 horsepower (5,593 kW) |
Two on static display |
M1 |
Chesapeake and Ohio Railway (C&O) |
500-502 |
Baldwin Locomotive Works |
1947–50 |
Steam Turbine Electric |
2-C1-2-C1-B
(4-8-0-4-8-4)
|
428 t |
6,000 horsepower (4,474 kW) |
Nicknamed "Sacred Cows". Sold back to Baldwin in 1950 and scrapped. |
Big Boy |
Union Pacific |
X4000-X4024 |
ALCO |
1941-–44 |
Steam |
4-8-8-4 |
548 t |
6,290 horsepower (4,690 kW) |
Several on static display.
No. 4014 is to be moved from Pomona, Calif., to Cheyenne, Wyo. for restoration.
|
XA Triplex |
Virginian Railway |
700 |
Baldwin |
1916 |
Steam |
2-8-8-8-4 |
383 t |
N/A, Tractive Effort: 199,560 lb simple; 166,600 lb compound |
Rebuilt into separate locomotives |
Challenger |
Union Pacific |
3985 |
ALCO |
1936–43 |
Steam |
4-6-6-4 |
485 t |
6,200 horsepower (4,623 kW) |
Operates in excursion service; largest operational steam locomotive in 2007 |
GTEL 8500 'Big Blow' |
Union Pacific |
1-30 (control cab), 1B-30B (turbine unit) |
General Electric |
1958–61 |
Gas turbine-electric |
C-C+C-C |
425 t |
8,469 horsepower (6,315 kW) Over 10,000 hp at lower altitude and ambient temperatures. |
Two preserved in museums. Most powerful internal combustion locomotive built. |
EMD DDA40X |
Union Pacific |
6900-6947 |
Electro-Motive Division of General Motors |
1969–71 |
Diesel-electric |
D-D |
244 t |
6,600 horsepower (4,922 kW) |
One operational, several in museums; largest operational single-unit diesel locomotive and the most powerful |
SJ Dm3 |
Malmbanan |
|
ASEA |
1953–71 |
Electric |
1'D+D+D1' |
273 t |
9,655 horsepower (7,200 kW) |
Highest continuous tractive effort when built, most powerful locomotive using jackshafts |
DB Class 103 |
|
|
|
1970–73 |
Electric |
Co'Co' |
114 t |
9,977 horsepower (7,440 kW) |
|
060-EA |
Romanian Railways(CFR) |
001-1000 |
Electroputere Craiova |
1970-91 |
Electric |
Co'Co' |
120 t |
6,839 horsepower (5,100 kW) |
Most powerful locomotive in 1970s; highest continuous tractive effort |
060-EA Softronic Phoenix version |
Romanian Railways (CFR) and Hungarian State Railways ( MÁV ) |
001, 2001-2004 |
Softronic Craiova |
2009–present |
Electric |
Co'Co' |
120 t |
8,851 horsepower (6,600 kW) |
Most powerful locomotive with highest continuous tractive effort |
Softronic TransMONTANA (060-EA version) |
Romanian Railways (CFR) |
1 |
Softronic Craiova |
2010 |
Electric |
Co'Co' |
120 t |
10,997 horsepower (8,200 kW) |
|
SBB-CFF-FFS Re 620 |
Gotthardbahn |
|
BBC |
1972–80 |
Electric |
Bo'Bo'Bo' |
120 t |
10,527 horsepower (7,850 kW) |
Most powerful single-frame locomotive when built |
JR Freight Class EF200 |
JR Freight |
|
Hitachi Ltd. |
1990– |
Electric |
Bo'Bo'Bo' |
100.8 t |
8,046 horsepower (6,000 kW) |
Most powerful single-frame narrow-gauge locomotive in series production |
EMD SD90MAC |
Union Pacific |
8500-8561 |
Electro-Motive Diesel |
1996–2002 |
Diesel-Electric |
C-C |
210 t |
6,300 horsepower (4,698 kW) |
Retired from service, some on lease with EMLX |
GE AC6000CW |
Union Pacific; CSX Transportation; BHP Billiton |
600-699, 5000-5016, 6070-6077, 7500-7579 (being overhauled and renumbered 69xx) |
General Electric |
1996–2001 |
Diesel-Electric |
Co'Co' |
210 t |
6,250 horsepower (4,661 kW) |
Actual HP output on early production units is 4350 hp due to use of the 7FDL engine. |
Indian locomotive class WAG-9 |
Indian Railways |
|
Chittaranjan Locomotive Works, India |
1998 |
Electric |
Co'Co' |
123 t |
6,350 horsepower (4,735 kW) |
Most powerful electric locomotive in India in 2010. |
China Railways HXN3 |
China Railways |
HXN30001-HXN30300 |
Dalian Locomotive, EMD |
2008– |
Diesel-Electric |
Co'Co' |
150 t |
6,300 horsepower (4,698 kW) |
Most powerful diesel-electric locomotive in active production. |
China Railways HXN5 |
China Railways |
HXN50001-HXN50300 |
GE, CSR Qishuyan Locomotive |
2008– |
Diesel-Electric |
Co'Co' |
150 t |
6,250 horsepower (4,661 kW) |
Most powerful diesel-electric locomotive in active production. |
China Railways HXD1 |
China Railways |
HXD10001-HXD10220 |
CSR Zhuzhou Electric Locomotive, Siemens |
2006–08 |
Electric |
Bo'Bo'+Bo'Bo' |
200 t |
12,874 horsepower (9,600 kW) |
|
China Railways HXD2 |
China Railways |
HXD20001-HXD20180 |
Datong Electric Locomotive, Alstom |
2006–08 |
Electric |
Bo'Bo'+Bo'Bo' |
200 t |
13,410 horsepower (10,000 kW) |
|
China Railways HXD3 |
China Railways |
HXD30001-HXD30890, HXD38001-38150 |
Toshiba, Dalian Locomotive |
2006–09 |
Electric |
Co'Co' |
150 t |
9,655 horsepower (7,200 kW) |
|
China Railways HXD1B |
China Railways |
HXD1B0001-HXD1B0500 |
CSR Zhuzhou Electric Locomotive, Siemens |
2009– |
Electric |
Co'Co' |
150 t |
12,874 horsepower (9,600 kW) |
Most powerful single-frame locomotive in series production |
China Railways HXD2B |
China Railways |
HXD2B0001-HXD2B0500 |
Datong Electric Locomotive, Alstom |
2009– |
Electric |
Co'Co' |
150 t |
12,874 horsepower (9,600 kW) |
Most powerful single-frame locomotive in series production |
China Railways HXD3B |
China Railways |
HXD3B0001-HXD3B0500 |
Dalian, Bombardier |
2009– |
Electric |
Co'Co' |
150 t |
12,874 horsepower (9,600 kW) |
Most powerful single-frame locomotive in series production |
China Railways HXD1C |
China Railways |
HXD1C0001-HXD1C0990 |
CSR Zhuzhou Electric Locomotive, Siemens |
2009– |
Electric |
Co'Co' |
150 t |
9,655 horsepower (7,200 kW) |
|
China Railways HXD2C |
China Railways |
HXD2C0001- |
Datong Electric Locomotive, Alstom |
2010– |
Electric |
Co'Co' |
150 t |
9,655 horsepower (7,200 kW) |
|
China Railways HXD3C |
China Railways |
HXD3C0001- |
Dalian, Bombardier |
2010– |
Electric |
Co'Co' |
150 t |
9,655 horsepower (7,200 kW) |
|
IORE |
Malmbanan |
IORE 101-IORE 126 |
Bombardier |
2000–04 |
Electric |
Co'Co'+Co'Co' |
360 t |
14,483 horsepower (10,800 kW)
for a pair, possible to operate halves which is not usually done |
Highest continuous tractive effort |
Jawn Henry |
Norfolk and Western Railway (N&W) |
2300 |
Baldwin Locomotive Works |
1954-58 |
Steam Turbine Electric |
C+C-C+C |
404 t |
4,500 horsepower (3,356 kW)
|
Struck from the N&W roster on January 4, 1958 |
VL85 |
Russian Railways |
270 |
Novocherkassk Electric Locomotive Plant |
1983-94 |
Electric |
Bo'Bo'Bo'+Bo'Bo'Bo' |
300 t |
13,437 horsepower (10,020 kW)
|
|
WDG5 |
Indian Railways |
|
EMD / DLW |
2012–present |
Diesel-Electric Transmission |
Bo-Bo-Bo |
|
5500HP locomotive with 560KN tractive effort |
The most powerful diesel locomotive in India. A vision statement of IR suggests that up to 5,000 units of this class will be manufactured by 2020. |
Union Pacific Coal GTEL |
Union Pacific |
80 (later 8080) |
Union Pacific Omaha Shops |
1961 |
Diesel-Electric + Gas Turbine-Electric |
A1A-A1A+2-D-D-2 |
728 t |
7,000 horsepower (5,220 kW) (2000hp Diesel + 5000hp 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. |
H220 |
Victorian Railways |
H Class |
Victorian Railways / [Newport Workshop] |
1941–1958 |
220 PSI Steam Boiler, 3 Cylinder |
4-8-4 |
265t |
3,600 HP / 2,680KW coal fired steam locomotive (50 mph) with 245KN tractive effort. |
The most powerful steam locomotive, at the time built in, Australia. 1 Built. Preserved at Newport, Victoria |