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EMD SW1200 - Wikipedia

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EMD SW1200

BN 251, an EMD SW1200, works the yard in Eola, Illinois (just east of Aurora)

Type and origin
Power type	Diesel–electric
Builder	General Motors Electro-Motive Division, General Motors Diesel, Canada
Model	SW1200
Build date	January 1954 – May 1966
Total produced	1,056

Specifications
Configuration:
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge 1,000 mm (3 ft 3+3⁄8 in) metre gauge, Chile 5 ft (1,524 mm)(?), Panama 4 ft 8+1⁄2 in (1,435 mm) standard gauge, Brazil
Prime mover	EMD 12-567C
Engine type	V12 diesel
Cylinders	12

Performance figures
Power output	1,200 hp (890 kW)

Career
Locale	North America, South America
Disposition	Many scrapped, many still in use

An EMD SW1200 is a four-axle diesel switcher locomotive built by General Motors Electro-Motive Division between January 1954 and May 1966.^[1] Power is provided by an EMD 567C 12-cylinder engine, which generates 1,200 horsepower (890 kW). Additional SW1200 production was completed by General Motors Diesel in Ontario, Canada, between September 1955 and June 1964.

737 examples of this locomotive model were built for U.S. railroads, 287 were built for Canadian railroads,^[1] four were built for Brazilian railroads, 25 were built for a Chilean industrial firm, and three were built for the Panama Canal Railway.

Design and production

The SW1200 was the third model of 1,200 hp SW series switchers built by EMD. It was a successor to the SW7 and SW9. Compared to its direct predecessor, the SW9, the SW1200 differed in that it used the improved and more reliable 567C engine, compared to the SW9's 567B engine. Late SW1200s built in 1966 were instead built with the 567E 12-cylinder engine. Most of the locomotive's external features were unchanged from the SW9, making distinguishing between the two models difficult.^[1]

SW1200 production began in January 1954, immediately after SW9 production came to an end the previous month. Production continued for 12 years until the last SW1200 left EMD's manufacturing facility in May 1966.^[1]

Like many EMD products, customers could customize their SW1200 orders. Several options were available, including Flexicoil trucks.^[1] A few units were built with dynamic brakes, featuring a large square box with a fan on top of the hood, right in front of the cab.

Variants

A cow–calf variation, the TR12, was cataloged, but none were built.

An SW1200RS (RS for road switcher) is a variation of the standard SW1200 that features large front and rear (on some units) numberboard housings, EMD Flexicoil B-B trucks, and larger fuel tanks for road switcher service. The majority of the Canadian National and Canadian Pacific SW1200 fleets were purchased as SW1200RS units. SW1200RS units were produced near the end of SW1200 production in the mid-1960s.^[1]

Original buyers

Units built by Electro-Motive Division, United States

Railroad	Quantity	Road numbers	Notes
Aliquippa and Southern Railroad	13	1201–1213
Amapa Railway	4	1–4	Brazil
Ashley, Drew and Northern Railway	2	176, 178
Atchison, Topeka and Santa Fe Railway	3	2439–2441
Baltimore and Ohio Railroad	8	9614–9621
Bauxite and Northern Railway	1	11
Bellefonte Central Railroad	1	5624
Belt Railway of Chicago	3	524–526
Birmingham Southern Railroad	2	200–201
Chicago and Illinois Midland Railroad	6	18–23
Chicago and North Western Railway	12	310–321	Acquired by EJ&E Railway then to Gary Railway (315 and 316 not part of GRW fleet)
Chicago, Burlington and Quincy Railroad	22	9271–9292	to Burlington Northern 229–250
Chicago, Milwaukee, St. Paul and Pacific Railroad ("Milwaukee Road")	48	1637–1642, 2020–2061	Renumbered 600–619, 625–652 (not in order)
Chicago, Rock Island and Pacific Railroad	17	920–936
Chile Exploration Company	25	911–935	Chile
Colorado and Southern Railway	5	156–160	to Burlington Northern Same
Commonwealth Edison	1	16
Conemaugh and Black Lick Railroad	2	120–121
Coos Bay Lumber Company	3	1201–1203	Built with dynamic brakes.
Cuyahoga Valley Railway	7	1280–1286
Delaware, Lackawanna and Western Railroad	8	561–568	to Erie Lackawanna 456–463
Denver and Rio Grande Western Railroad	10	130–139
De Queen and Eastern Railroad	1	D-5
Elgin, Joliet and Eastern Railway	8	300–307	300–301, 303–305 and 307 are now part of the Gary Railway Co. fleet per the 2009 CN acquisition of EJ&E Railway. 306 to LTEX 306
Florida East Coast Railway	7	229–235
Fort Worth and Denver Railway	4	607–610	to Burlington Northern Same
Grand Trunk Western Railroad	18	1269–1270, 1505–1508, 1511–1519, 7017–7019
Great Lakes Steel Corporation	16	16, 39–53
Great Northern Railway	6	29–33, 100	100 Rebuilt from EMC NC^[2] to Burlington Northern 162–166
Houston Belt and Terminal Railway	5	33–37
Illinois Terminal Railroad	12	775–786
Inland Steel Company	27	88–114
Kansas City Terminal Railway	10	70–79
Lake Superior Terminal and Transfer	1	105
Louisville and Nashville Railroad	4	2297–2300
Midland Electric Coal Company	1	1201
Minneapolis, Northfield and Southern Railway	6	30–35	to Soo Line
Minneapolis, St. Paul and Sault Ste. Marie Railroad, ("Soo Line")	8	321–328	321, 323 and 324 were acquired by EJ&E Ry then part of Gary Ry Co. One unit acquired by Tulsa-Sapulpa Union Railway, now in active service as its Number 108.^[3]
Soo Line (Wisconsin Central Railroad)	8	2120–2127
Missouri Pacific Railroad	116	1100–1166, 1175–1201, 1255–1259, 1263–1279	Withdrawn in 1985 after the UP takeover. Sold to various owners or scrapped.^[4]
Missouri Pacific (Texas and Pacific Railway)	20	1280–1299
Missouri–Kansas–Texas Railroad	8	1–6, 43–44
New York, New Haven and Hartford Railroad	20	640–659	to Penn Central 9180–9199 and then Conrail 9363–9382
New Orleans Public Belt Railroad	2	71–72
Norfolk and Portsmouth Belt Line Railroad	15	101–115
Northern Pacific Railway	59	119–177	to Burlington Northern 170–228
Oliver Iron Mining Company	9	940–948
Pacific Power and Light	1	10
Panama Canal Railway	3	661–663
Patapsco and Back Rivers Railroad	10	125–134
Pennsylvania Railroad	35	7900–7934	To Penn Central
Peoria and Pekin Union Railway	1	500
Philadelphia, Bethlehem and New England Railroad	5	39–43
Point Comfort and Northern Railway	1	4
Reading Company	5	2715–2719	Equipped with 930 Gal. Fuel tanks
Republic Steel Corporation	2	362, 895
Reserve Mining Company	1	1212
Richmond, Fredericksburg and Potomac Railroad	5	81–85
River Terminal Railway	2	63–64
Rockdale, Sandow and Southern Railroad	1	8
Sandersville Railroad	1	200	renumbered 1200, upgraded to 12–645 spec
Simpson Logging Company	2	1200–1201	Built with Dynamic Brakes.
Southern Pacific Transportation Company	27	1597–1623	renumbered 2262–2288
Southern Pacific (Texas and New Orleans Railroad)	12	113–118, 123–128	renumbered 2213–2223
St. Louis Southwestern Railway ("Cotton Belt")	17	1062–1073, 2289–2293	1062–1073 renumbered to 2250–2261
Steelton and Highspire Railroad	1	44
Terminal Railroad Association of St. Louis	25	1219–1243
Tooele Valley Railway	1	100
U.S. Steel	2	SX1–SX2
Wabash Railroad	5	375–379
West Virginia Northern Railroad	1	52	Built with dynamic brakes.
Weyerhaeuser Timber Company	1	304
Wheeling Steel	7	1250, 1254–1259
Woodward Iron Company	1	52
Total	769

Units built by General Motors Diesel, Canada

Railroad	Quantity	Road numbers	Notes
Canadian Forest Products	3	301–303	Flexicoil trucks, built with dynamic brakes
Canadian National Railway	208	1227–1268, 1271–1397, 1575–1597, 7020–7035	12/13/1500s have Flexicoil trucks and numberboards at both ends. Some units rebuilt to SW1200RMs
Canadian Pacific Railway	72	8100–8171	Flexicoil trucks, numberboards at front only
Dominion Foundries and Steel ("Dofasco")	1	14
Essex Terminal Railway	1	105
Quebec Iron and Titanium	1	5	Romaine River Ry
Roberval and Saguenay Railway	1	23
Total	287

References

^ ^a ^b ^c ^d ^e ^f 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.
^ "EMD "SW1200" Locomotives".
^ "Tulsa-Sapulpa Union Railway". American-Rails.com. Retrieved June 24, 2021.
^ Strack, Don. "MP to UP Diesel Roster, Part 1". UtahRails.net. Retrieved 2019-07-15.

Wikimedia Commons has media related to EMD SW1200 locomotives.

Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-026-7.
Kristopans, Andre J. (September 10, 2014). "EMC/EMD 201A and 567 Switchers". Utah Rails.
Kristopans, Andre J. (October 2, 2014). "General Motors Diesel". Utah Rails. Archived from the original on April 2, 2015. Retrieved April 1, 2015.
Kristopans, Andre J. (September 22, 2015). "GM Export Models". Utah Rails.

Amtrak rolling stock

Current

Railcars and trainsets	Acela trainset Avelia Liberty (future) Amfleet Horizon Metroliner cab car Siemens Venture Surfliner Superliner Viewliner
Diesel locomotives	GE Genesis P40DC P42DC GE P32-8WH Siemens Charger
Dual-mode locomotives	GE Genesis P32AC-DM
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Railcars and trainsets	Bombardier LRC Budd Metroliner Budd RDC Pullman-Standard Bilevel Heritage Fleet Great Dome Pacific series Slumbercoach Strata-Dome Super Dome Hi-Level
Diesel locomotives	EMD E8/E9 EMD F3B/F7/FP7 EMD SDP40F GE P30CH EMD F40PH EMD F59PHI EMD F69PHAC
Dual-mode locomotives	EMD FL9
Electric locomotives	PRR GG1 GE E60 EMD AEM-7 Bombardier HHP-8
Gas turbine trainsets	UAC TurboTrain ANF/Rohr Turboliner
Work locomotives	ALCO RS-1/RS-3 ALCO S-2 EMD CF7 EMD GP7/GP9 EMD GP40 EMD SSB1200 EMD SW8 GE 45t/65t Railpower GG20B PRR E44
Leased	ICE 1 SNCF Class CC 21000 SJ Rc X 2000

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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