EMD GP9

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The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1963. The GP9 succeeded the GP7 as the second model of EMD's General Purpose (GP) line,[1] incorporating a new sixteen-cylinder engine which generated Template:Convert.[2] This locomotive type was offered both with and without control cabs; locomotives built without control cabs were called GP9B locomotives. The GP9 was succeeded by the similar but slightly more powerful GP18.[3]

Design and production

EMD designed the GP9 as an improved version of the GP7, with an increase in power from 1,500 hp to 1,750 hp, and a change in prime mover to the latest version of the 567 engine, the 567C.[3] Externally, the GP9 strongly resembled its predecessor. Most were built with high short hoods, but the Southern Pacific ordered a number with low short hoods for improved crew visibility.[3]

EMD built GP9s at its LaGrange, Illinois facility until 1959, when American production was ended in favor of the GP18.[3] GMD production in Canada continued until August 1963, when the final GP9 was produced.Template:Sfnp

Original owners

EMD produced 4,257 GP9 locomotives, including 165 B units. 646 of the locomotives, intended for Canadian railroads, were built by General Motors Diesel, EMD's Canadian subsidiary.Template:Sfnp Approximately 75 railroads purchased GP9s.

Locomotives built by Electro-Motive Division, USA

Owner Quantity Numbers Notes
Atchison, Topeka and Santa Fe Railway 52 700–751
Brazil 5 1001–1005
Butte, Anaconda and Pacific Railway 4 104–107
Bangor and Aroostook Railroad 5 76–80
Boston and Maine Railroad 50 1700–1749
Baltimore and Ohio Railroad 194 675–696, 747–752, 3413–3425, 6447–6598, 6498 (2nd)
Belt Railway of Chicago 3 471, 480, 481
Chicago, Burlington and Quincy Railroad 20 270–289
Chicago and Eastern Illinois Railroad 8 221, 229, 233–238
Central of Georgia Railway 11 160–170
Chicago Great Western Railway 1 120
Chicago and North Western Railway 59 1711–1720, 1725–1773
Central Railroad of New Jersey 2 1531–1532
Chesapeake and Ohio Railway 363 5901–6263
Chicago, Rock Island and Pacific 2 917–918
Central Vermont 65 1751–1767, 4134–4139, 4442–4450, 4539–4559, 4902–4906, 4923–4929
Detroit, Toledo and Ironton Railroad 13 980–992
Electro-Motive Division 1 7257
Erie Railroad 6 1260–1265
Florida East Coast Railway 26 651–676
Georgia and Florida Railroad 3 1040–1042
Illinois Central Railroad 348 9000–9257, 9300–9389
Kansas City Southern Railway 4 162–165
Louisville and Nashville Railroad 32 441–459, 511–513, 515–522, 553–554
Lehigh Valley 2 300–301
Great Northern Railway 96 656–734, 900–915 [4]
Denver and Rio Grande Western Railroad 24 5901–5904, 5911–5914, 5921–5924, 5931–5934, 5941–5944, 5951–5954 [5]
Mexico 10 6602, 7101–7107, 7101(2nd)–7102(2nd)
Meridian and Bigbee Railroad 1 102
Midland Valley Railroad 2 152–153
Milwaukee Road 128 280–331, 2368–2433
Missouri Pacific Railroad 40 4332–4371
Mississippi Export Railroad Company 1 60
Minneapolis & St Louisr 23 600–608, 700–713
New Haven & Hartford 30 1200–1229
Nickel Plate 107 448–534, 800–814, 448 (2nd), 496 (2nd), 497 (2nd), 503 (2nd), 482 (2nd)
Northern Pacific 176 200–375
Norfolk & Western 306 10–13, 506–521, 620–699, 714–914, 799 (2nd), 800 (2nd), 805 (2nd), 813 (2nd), 817 (2nd)
New York Centralr 164 5900–6028, 6041–6075
Southern Peru Copper 4 20–23
PHDX 17 21–23, 30–43
Pennsylvania Railroad 270 7000–7269
40 7175B–7204B, 7230B–7239B
Rock Island & Pacific 21 1312–1332
Seaboard Air Line Railroad 58 1798, 1801, 1900–1929, 1954–1979
Soo Liner 45 400–414, 550–558, 2400–2413, 2550–2556
Southern Railway 13 302–303, 2500–2501, 6245–6249, 6898–6899, 8214–8215
Southern Pacific Company 328 240–249, 280–283, 400–458, 5600–5719, 5730–5844, 5872–5891
Spokane Portland & Seattle 6 150–155
St. Louis Southwestern Railway 12 820–831
Texas Mexican Railway 1 853
Toledo, Peoria and Western Railway 14 1131–1144
Union Pacific Railroad 219 130–248, 250–349
125 130B–204B, 300B–349B
Venezuela Nat'l Ry 6 1–6
Western Railway of Alabama 2 530–531
Wabash 12 484–495
Western Maryland Railway 20 25–32, 34–45
Western Pacific Railroad 8 725–732
WSSB 4 1501–1504
Totals 3,446
165

Locomotives built by General Motors Diesel, Canada

Owner Quantity Numbers Notes
ACR 2 171–172
Canadian National 349 1724–1750, 2000–2024, 4100–4133, 4147–4156, 4228–4353, 4476–4538, 4560–4609, 4588 (2nd)–4601 (2nd)
Canadiam Pacific 200 8483–8546, 8611–8708, 8801–8823, 8825–8839
Midland Ry Manitona 1 2
Northern Alberta Railway 10 201–210
New York Central 12 6029–6040
Ontario Northland 6 1600–1605
QCM 9 1–9
Quebec North Shore & Labrador 54 124–177
Toronto Hamilton & Buffalo 3 401–403
Totals 646

Rebuilds

File:Railroad-Saint-Paul-2006-11-04.jpg
Two GP15Cs with the Red River Valley and Western Railroad.

There were 40 GP9M units built that are included in the 3,441 units built for United States railroads. A GP9M was built with parts from another older EMD locomotive, either an F unit or a damaged GP7. The use of parts from these older locomotives caused the GP9Ms to have a lower power rating than a GP9. This would be either Template:Convert if the donor locomotive was an FT/F2 or Template:Convert from F3/F7/GP7 locomotives.

Many rebuilt GP9s remain in service today with shortline railroads and industrial operators. Some remain in rebuilt form on some major Class I railroads, as switcher locomotives although most Class 1 railroads stopped using these locomotives by the 1980s. Canadian National still had 29[6] GP9RM locomotives in operation, as of 2022. Canadian Pacific had many GP9u locomotives in operation; however, they were all retired in 2015.

EMD GP15C

Several GP9s were rebuilt with a Template:Convert CAT 3512 and re-classified as GP15C.

EMD GP10

Script error: No such module "Labelled list hatnote". The Illinois Central Railroad rebuilt some of its GP9s with their front (short) hood reduced in height for improved crew visibility. The IC designated these rebuilt locomotives GP10.Template:Sfnp

EMD GP20C-ECO

File:Canadian Pacific Railway 2303.jpg
A Canadian Pacific Railway EMD GP20C-ECO, the product of a GP9 rebuild.

EMD has rebuilt and continues to rebuild GP9s into what it calls the GP20C-ECO, which is repowered with an EMD 8-710-G3A engine in place of the original 567 prime mover.[7]

SP GP9E and GP9R

Between April 1970 and March 1979, the St. Louis Southwestern Railway (also known as the "Cotton Belt Route") and the Southern Pacific Transportation Company had rebuilt the majority of their EMD GP9 locomotives into SP GP9E and GP9R locomotives.

Preservation

At least 23 GP9 locomotives have been preserved at various railroad museums, as "park engines", and as excursion engines according to The Diesel Shop:

  • B&O 6607, originally numbered 3414, is at the B&O Railroad Museum, Baltimore, Maryland, in operating condition.[8]
  • Southern Pacific 3194, a GP9R rebuild built as Texas and New Orleans 281, is at the Golden Gate RR Museum, California. It is in operating condition.[9]
  • Northern Pacific 245 preserved at the Lake Superior Railroad Museum in Duluth, currently painted as North Shore Scenic Railroad 245.[10]
  • Norfolk & Western 514 was donated to the Roanoke Chapter of the National Railroad Historical Society in August 2024. This locomotive is one of two surviving unrebuilt former N&W GP9s. [11]

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Gallery

See also

Notes

Template:Reflist

References

Further reading

  • Extra 2200 South, Issue no. 32, January–February 1972 Early Geep Tally- Part II
  • Extra 2200 South, Issue no.48, Sep-Oct 1974
  • Extra 2200 South, Issue no.49, Nov-Dec 1974
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  • Template:Dorin-North Western
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External links

Template:Sister project

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