The EMD GP10 is a

diesel-electric locomotive A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving whee ...

that is the result of rebuilding a GP7,

GP9 The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as the second model of EMD's General Purpose (GP) line, incorporating a new sixteen-cylind ...

or GP18. The

Illinois Central Railroad The Illinois Central Railroad , sometimes called the Main Line of Mid-America, was a railroad in the Central United States, with its primary routes connecting Chicago, Illinois, with New Orleans, Louisiana, and Mobile, Alabama. A line also ...

had three separate rebuild programs to upgrade their old EMD GPs and GPs that they had purchased from equipment dealers such as Precision National Corporation in Mount Vernon, Illinois. The first was the

GP8 The EMD GP8 is a model of four-axle diesel locomotive rebuilt by Illinois Central's Paducah shops using a General Motors Electro-Motive Division (EMD) GP7, GMD GP7 or GP9 as a start. It is similar to the GP10 and GP11. A total of 111 units wer ...

, second the GP10 and third the

GP11 The EMD GP11 is a four-axle diesel locomotive rebuilt by the Illinois Central Railroad's Paducah shops. It is very similar in appearance to the GP8 and GP10. The Illinois Central Railroad began its GP11 rebuilding program in 1978. All units we ...

. All were rebuilt at IC/ICG's Paducah Shops in Kentucky. Core units for the GP10 program were from IC/ICG GP7, GP8, GP9 and GP18, B&M GP9, B&O GP9, CRR GP9, C&O GP7 and GP9,

D&RGW The Denver & Rio Grande Western Railroad , often shortened to ''Rio Grande'', D&RG or D&RGW, formerly the Denver & Rio Grande Railroad, was an American Class I railroad company. The railroad started as a narrow-gauge line running south from D ...

GP9,

DT&I The Detroit, Toledo and Ironton Railroad operated from 1905 to 1983 between its namesake cities of Detroit, Michigan, and Ironton, Ohio, via Toledo. At the end of 1970, it operated 478 miles of road on 762 miles of track; that year it carried ...

GP7 and GP9, FEC GP9, GTW GP18, P&LE GP7, Potlach Forests Inc. GP7,

QNS&L The Quebec North Shore and Labrador Railway is a private Canadian regional railway that stretches through the wilderness of northeastern Quebec and western Labrador. It connects Labrador City, Labrador, with the port of Sept-Îles, Quebec, on t ...

GP9, RDG GP7, St.J&LC GP9, SLSF GP7, SP GP9, SSW GP7, and UP GP9B. Two IC GP9s were rebuilt to GP10s and sold directly to the

Ashley, Drew and Northern Railway The Ashley, Drew and Northern Railway was a Class III railroad operating 40.7 miles of track between Monticello and Crossett, Arkansas. The railroad operated from 1912 until 1996. History In 1905, the Crossett Lumber Company of Crossett, ...

. Nine

Alaska Railroad Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S. ...

GP7s were rebuilt to GP10s by Paducah, and renumbered 1801-1809 (these rebuilds received EMD angled cabs but kept their AAR Type B road trucks from Alco RS-1s). A total of 76 Conrail GP9s were rebuilt to GP10s. The Paducah Shops rebuilt 53 Conrail GP9s to GP10s. The first 16 Conrail GP9s were rebuilt to the equivalent of a GP10 in 1976. In 1978 another 21 Conrail GP9s were rebuilt at Paducah, followed by 16 more GP9s rebuilt to GP10 in 1979. The 1978–79 Conrail GP9 rebuilding program by Paducah was engine and electrical gear only with no carbody modification (the high short hoods were kept). The Precision National Corporation Shops at Mount Vernon, Illinois rebuilt six Conrail GP9s to GP10s in 1978. The Morrison-Knudsen Boise Shops rebuilt 17 Conrail GP9s to GP10s in 1978–1979. Six units were rebuilt by Boise in 1978, with an additional 11 units completed in 1979. The GP9 rebuilding program by Boise was engine and electrical gear only with no carbody modification. File:CarltonTrailRailwayloco.jpg, A pair of ex-IC GP10 on Carlton Trail Railway. File:AVRRdiesels.jpg, Two ex-Conrail high short hood GP9 on the

Allegheny Valley Railroad The Allegheny Valley Railroad is a class III railroad that operates in Western Pennsylvania, and is owned by Carload Express, Inc. AVR acts as a feeder line connecting its many and varied customers to Class I railroads such as CSX Transportati ...

. File:19950722 21 CC&P Denison, IA (5360219824).jpg, Three ex-IC GP10 (two of them still in the IC livery), sold to the Chicago Central and Pacific Railroad. File:Frrm 8330.jpg, Ex-Illinois Central GP10 #8330 at the

Florida Railroad Museum The Florida Railroad Museum is a railroad museum located in Parrish, Florida. The museum operates a heritage railroad and offers round-trip tourist excursions along six miles of the former Seaboard Air Line Sarasota Subdivision in Manatee Cou ...

External links

RailPictures.Net
– GP10 Photographs B-B locomotives GP10 Illinois Central locomotives Diesel-electric locomotives of the United States Conrail locomotives Rebuilt locomotives Standard gauge locomotives of Canada Standard gauge locomotives of the United States Diesel-electric locomotives of Canada {{diesel-loco-stub

See also

External links