Emd Sw7

Specifications
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Prime mover	EMD 12-567BA
Engine type	V12 diesel
Aspiration	Roots-type supercharger
Cylinders	12

Type and origin
Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Model	SW7, TR4
Build date	October 1949 – January 1951
Total produced	SW7: 489; TR4: 15 sets

EMD SW7
EMD SW7
	Baltimore and Ohio No. 9624 TR4 cow-calf set at Riverside Yard, Baltimore, in 1969
Power type
Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Model	SW7, TR4
Build date	October 1949 – January 1951
Total produced	SW7: 489; TR4: 15 sets
Configuration:;
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Prime mover	EMD 12-567BA
Engine type	V12 diesel
Aspiration	Roots-type supercharger
Cylinders	12
Power output
Performance figures
Power output	1,200 hp (895 kW)

The EMD SW7 was a diesel switcher locomotive built by General Motors Electro-Motive Division between October 1949 and January 1951.^[2] It was powered by a 1,200 horsepower (895 kW) 12-567A engine.^[1] The SW7 replaced the earlier 1,000 horsepower NW2 switcher in EMD's catalog.^[3] A total of 489 SW7 locomotives were produced. The majority of the SW7s were built by EMD Plant #3 in Cleveland, Ohio.^{[
citation needed]} In addition, 15 TR4 cow-calf paired sets were produced.^[3]

SW7 production was discontinued in 1951 in favor of the new SW9.^[2]

Original buyers

Railroad	Quantity	Road numbers
Arkansas and Louisiana Missouri Railway	1	11
Atlantic Coast Line Railroad	9	643–651
Central Railroad of New Jersey	4	1080–1083
Charleston and Western Carolina Railway	2	800–801
Chesapeake and Ohio Railway	26	5214–5239
Chicago and Eastern Illinois Railroad	6	126–131
Chicago and Eastern Illinois ( Chicago Heights Terminal and Transfer Railroad)	2	132–133
Chicago and Illinois Western Railroad	3	101–103
Chicago, Burlington and Quincy Railroad	20	9249–9268
Chicago, Milwaukee, St. Paul and Pacific Railroad	1	1646
Clinchfield Railroad	6	350–355
Colorado and Southern Railway	1	154
Conemaugh and Black Lick Railroad	15	103–117
Cornwall Railroad	3	120–122
Detroit and Toledo Shore Line Railroad	3	116–118
Detroit Terminal Railroad	1	116
Detroit, Toledo and Ironton Railroad	5	920–924
Erie Railroad	6	428–433
Great Northern Railway	11	163–170, 11–13
Illinois Central Railroad	50	9300–9319, 9400–9429
Kansas City Southern Railway	10	1300–1309
Kansas City Southern Railway ( Louisiana and Arkansas Railway)	6	1310–1315
Lakeside and Marblehead Railroad	1	12
Lehigh Valley Railroad	5	220–224
Louisiana Midland Railway	1	10
Louisville and Nashville Railroad	22	2245–2266
Maine Central Railroad	3	331–333
Missouri Pacific Railroad	5	9142–9146
Monessen Southwestern Railway	1	21
Montour Railroad	1	72
Nashville, Chattanooga and St. Louis Railway	10	24–33
New York Central Railroad	34	8851–8855, 8880–8897, 8911–8921
New York Central ( Indiana Harbor Belt Railroad)	40	8835–8850, 8856–8879
New York Central ( Chicago River and Indiana Railroad)	6	8898–8903
New York Central ( Peoria and Eastern Railway)	7	8904–8910
New York, Chicago and St. Louis Railroad (“Nickel Plate Road”)	3	230–232
Northern Pacific Railway	8	107–114
Pennsylvania Railroad	48	8861–8868, 8871–8872, 9358–9395
Peoria and Pekin Union Railway	5	406–410
Phelps Dodge Corporation (New Cornelia Branch Mine)	1	6
Philadelphia, Bethlehem and New England Railroad	4	31–34
River Terminal Railway	2	61–62
Southern Railway ( Alabama Great Southern Railroad)	5	6505–6509
Southern Railway ( Cincinnati, New Orleans and Texas Pacific Railway)	14	6060–6073
Southern Railway ( Georgia Southern and Florida Railway)	4	8200–8203
Southern Railway ( New Orleans and North Eastern Railway)	12	6852–6863
St. Louis Southwestern Railway (“Cotton Belt”)	4	1054–1057
St. Louis-San Francisco Railway (“Frisco”)	5	300–304
Texas and Pacific Railway	4	1020–1023
Union Pacific Railroad	25	1800–1824
Union Railroad	4	571–574
Wabash Railroad	8	355–362
Weyerhaueser Timber Company	2	300–301
Woodward Iron Company	2	50–51
Youngstown and Southern Railway	2	70–71
Total	489

TR4

Railroad	Quantity	Road numbers
Atchison, Topeka and Santa Fe Railway	2 sets	2418,A–2419,A
Belt Railway of Chicago	5 sets	502AB–506AB
Chesapeake and Ohio Railway	2 sets	6001AB–6002AB
Chicago, Milwaukee, St. Paul and Pacific Railroad	6 sets	2001AB–2006AB
Total	15 sets

External links

Media related to EMD SW7 locomotives at Wikimedia Commons

References

^ ^a ^b Solomon, Brian (August 2014). GE and EMD Locomotives: The Illustrated History. Voyageur Press. p. 231. ISBN 978-0-7603-4612-9.
^ ^a ^b Schafer, Mike (1998). Vintage diesel locomotives. Osceola, WI: Motorbooks International. p. 25. ISBN 0-7603-0507-2. OCLC 38738930.
^ ^a ^b Marre, Louis A. (1995). Diesel locomotives : the first 50 years : a guide to diesels built before 1972. Waukesha, WI: Kalmbach Pub. Co. pp. 30–31. ISBN 0-89024-258-5. OCLC 34531120.

* Kristopans, Andre J. http://utahrails.net/ajkristopans/SWITCHERS201Aand567.php Retrieved October 7, 2014.This is a compilation of EMD Product Reference Data^{[
unreliable source?]}
General Motors Electro-Motive Division Service Department "Locomotive Reference Data" published January 1, 1959, 286 pages.

This diesel locomotive-related article is a stub. You can help Wikipedia by expanding it.

[Solomon261-1] Solomon, Brian (August 2014). GE and EMD Locomotives: The Illustrated History. Voyageur Press. p. 231. ISBN 978-0-7603-4612-9.

[:0-2] Schafer, Mike (1998). Vintage diesel locomotives. Osceola, WI: Motorbooks International. p. 25. ISBN 0-7603-0507-2. OCLC 38738930.

[:1-3] Marre, Louis A. (1995). Diesel locomotives : the first 50 years : a guide to diesels built before 1972. Waukesha, WI: Kalmbach Pub. Co. pp. 30–31. ISBN 0-89024-258-5. OCLC 34531120.

[1]

[2]

[3]

v t e Diesel–electric switcher locomotives
Alco	ALCO Boxcab ALCO 600 HH600 HH660 HH900 HH1000 S-1 S-2 S-3 S-4 S-5 S-6 T-6 SB-8/SSB-9
Baldwin	VO-660 DS-4-4-660 DS-4-4-750 S-8 RS-4-TC VO-1000 DS-4-4-1000 S-12
Fairbanks-Morse	H-10-44 H-12-44 H-12-44TS H-12-46
GE	60-ton boxcab 100-ton boxcab 600-hp centercab 1000-hp centercab DEY-2 EN-6 25-ton 35-ton 43-ton 44-ton 45-ton 50-ton 60-ton 65-ton 70-ton 80-ton 95-ton 100-ton 110-ton 125-ton 126-ton 128-ton 1800-hp transfer 2000-hp transfer U5B U6B
GM/EMD	SC, SW, NC, NC1, NC2, NW, NW1, NW1A, NW4, T NW2 NW3 NW5 TR1 SW1 SW7 SW8 SW9 SW14 SW600 SW900 SW1000 SW1001 SW1200 SW1500 SW1504 MP15DC MP15AC MP15T RS1325 GMD1
Lima-Hamilton	LS-750 LS-800 LS-1000 LS-1200
National Railway Equipment	1GS7B 2GS14B 3GS21B 3GS21C

Original buyers

TR4

External links

See also

References