EMD SW7

EMD SW7
Baltimore and Ohio No. 9624 TR4 cow-calf set at Riverside Yard, Baltimore, in 1969
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
Specifications Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Prime mover EMD 567A Engine type V12 diesel Aspiration Roots-type supercharger Cylinders 12
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. It was powered by a V12 567A engine developing 1,200 horsepower (895 kW). 489 SW7 locomotives were produced. The majority of the SW7s were built by EMD Plant #3 in Cleveland, Ohio. In addition, 15 TR4 cow-calf paired sets were produced.

Contents

• 
  1 Original buyers
  
  
  
  • 
    1.1 SW7
    
  
  
  • 
    1.2 TR4
    
  
  
  
  


• 
  2 See also
  


• 
  3 References
  

Original buyers

SW7

Railroad	Quantity	Road numbers	Notes
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	to Burlington Northern 115-134
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	1	116
Detroit, Toledo and Ironton Railroad	5	920–924
Erie Railroad	6	428–433
Great Northern Railway	11	163–170, 11–13	to Burlington Northern 135-145
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
Milwaukee Road	1	1646	renumbered 623
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	to Burlington Northern same
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	renumbered 2200-2203
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	Built with 567B engines
Youngstown and Southern Railway	2	70–71
Total	489

TR4

Railroad	Quantity	Road numbers	Notes
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
Milwaukee Road	6 sets	2001AB–2006AB
Total	15 sets

See also

• List of GM-EMD locomotives

References

• Laundry, Mark. The Yard Limit - EMD SW7. Retrieved June 2, 2005.


• The UNofficial EMD Homepage. SW7 Order Numbers. Retrieved June 2, 2005.


• Kristopans, Andre J. http://utahrails.net/ajkristopans/SWITCHERS201Aand567.php Retrieved October 7, 2014.


• EMD Product Reference Data Card dated January 1, 1959 has the 567B engine data used in the as-built roster.

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 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

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