The Illinois Central Railroad 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, second the GP10 and third the GP11. All were rebuilt at IC/ICG's Paducah Shops in Kentucky.
Two IC GP9s were rebuilt to GP10s and sold directly to the Ashley, Drew and Northern Railway. Nine Alaska Railroad 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.
The EMD BL2 is a model of diesel-electric locomotive built by General Motors Electro-Motive Division (EMD). A total of 58 units were built between 1947 and 1949. The BL2 was not very successful, as it was unreliable and occupied a gap between carbody and hood units, which resulted in it suffering from the drawbacks of both designs. However, lessons learned from the BL2 were incorporated into EMD's next design, the GP7.
A hood unit, in North American railroad terminology, is a body style for diesel and electric locomotives where the body is less than full-width for most of its length and walkways are on the outside. In contrast, a cab unit has a full-width carbody for the length of the locomotive and walkways inside. A hood unit has sufficient visibility to be operated in both directions from a single cab. Also, the locomotive frame is the main load-bearing member, allowing the hood to be non-structural and easily opened or even removed for maintenance.
The EMD F7 is a model of 1,500-horsepower (1,100 kW) diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD).
The EMD SW8 is a diesel switcher locomotive manufactured by General Motors Electro-Motive Division and General Motors Diesel between September 1950 and February 1954. Power is supplied by an EMD 567B 8-cylinder engine, for a total of 800 hp (600 kW). A total of 309 of this model were built for United States railroads and 65 for Canadian railroads. Starting in October 1953 a number of SW8s were built with either the 567BC or 567C engine.
The EMD GP7 is a four-axle (B-B) diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October 1949 and May 1954.
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-cylinder engine which generated 1,750 horsepower (1.30 MW). This locomotive type was offered both with and without control cabs; locomotives built without control cabs were called GP9B locomotives.
The EMD GP18 is a 4-axle diesel-electric locomotive built by General Motors, Electro-Motive Division between December 1959 and November 1963. Power was provided by an 16-567D1 16-cylinder engine which generated 1,800 horsepower (1.34 MW). The GP18 replaced the GP9 in EMD's catalog. 350 examples of this locomotive model were built for American railroads, 40 units were built for Mexican railroads, 12 were built for export to a Brazilian railroad, 2 were exported to Peru, and 1 was exported to Saudi Arabia.
The EMD SD9 is a model of diesel locomotive built by General Motors Electro-Motive Division between January 1954 and June 1959. An EMD 567C 16-cylinder engine generated 1,750 horsepower (1.30 MW). Externally similar to its predecessor, the SD7, the SD9 was built with the improved and much more maintainable 567C engine.
The "Beep" is an individual switcher locomotive built in 1970 by the Atchison, Topeka and Santa Fe Railway at its Cleburne, Texas, workshops. Technically a rebuild, the Beep originally entered service on the Santa Fe as a Baldwin Model VO-1000. Following its successful CF7 capital rebuilding program, the company hoped to determine if remanufacturing its aging, non-EMD end cab switchers by fitting them with new EMD prime movers was an economically viable proposition. The conversion procedure proved too costly and only the one unit was modified. In 2008-2009, this locomotive was retired and stored operational at Topeka, Kansas. In May 2009 the unit was donated to the Western America Railroad Museum in Barstow, California.
The passenger locomotives derivatives of the General Motors EMD GP40 diesel-electric locomotive have been, and continue to be, used by multiple passenger railroads in North America. For passenger service, the locomotives required extra components for providing steam or head-end power (HEP) for heating, lighting and electricity in passenger cars. Most of these passenger locomotives were rebuilt from older freight locomotives, while some were built as brand new models.
The EMD GP16 are a series of rebuilt diesel-electric locomotives, a result of a remanufacturing program initiated by the Seaboard Coast Line Railroad (SCL) in an effort to spare the cost of purchasing new motive power in the late 1970s. This involved the rebuilding of their aging fleet of EMD GP7, GP9 and GP18 road switchers. 155 locomotives were rebuilt by the SCL.
The Clarkdale Arizona Central Railroad is an Arizona short-line railroad that operates from a connection with the BNSF Railway at Drake, Arizona. The AZCR runs 37.8 miles (60.8 km) from Drake to Clarkdale, Arizona. An excursion train also runs on the line through Verde Canyon and is operated by the same owners under the Verde Canyon Railroad. The AZCR is owned by David L. Durbano.
The Louisiana and Delta Railroad is a short-line railroad headquartered in New Iberia, Louisiana.
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.
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 ALCO RS-3m is a diesel-electric locomotive rebuilt from an ALCO RS-3 road switcher. These 98 locomotives were rebuilt to replace their original ALCO prime mover with the more reliable EMD 567B engine and fan assemblies taken from retired E8s. Many of these rebuilds were performed by the ex NYC DeWitt shop with 56 completed at the ex PRR Juniata shop. The RS3m rebuild program started in 1972 and continued until 1978 under Conrail.
The SD20 is the product of a rebuilding program by the Illinois Central Gulf's Paducah Shops as a conversion from the EMD SD7, EMD SD24, SD24B (cabless), and EMD SD35 locomotives. The program involved rebuilding the 567 engine to 645E with 2000 horsepower rating, eliminating the turbocharger if equipped with one, upgrading the electronics to Dash 2 technology, and adding cabs to the B units. A total of 42 units were rebuilt. Original heritage of the rebuilt units was 3 Union Pacific SD7s, 4 Union Pacific SD24s, 10 Union Pacific SD24Bs, 21 Southern SD24s, and 4 Baltimore and Ohio SD35s. Many of the units to be rebuilt were purchased from Precision National. Three of the ex-Southern SD24s wore Precision reporting marks. The locomotives were rebuilt between August 1979 and December 1982. Road Numbers assigned were 2000–2041. Unit 2041 was the last Paducah rebuild.
The EMD FP10 was a series of rebuilt F-unit locomotives originally operated on the MBTA Commuter Rail system.
Illinois Central 2613 was a 4-8-2 "Mountain" type steam locomotive, built by the Illinois Central Railroad's Paducah, Kentucky shops in 1943. No. 2613 and its class were the most powerful 4-8-2 locomotives ever built.
The EMD SD10 were a six-axle 1,800 hp diesel locomotive, which was a rebuild from EMD SD7 and SD9 diesel locomotives. These units were rebuilt by the Chicago, Milwaukee, St. Paul and Pacific Railroad/Milwaukee Road between March 1974 and January 1976.
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A pair of ex-IC GP10 on Carlton Trail Railway.
Two ex-Conrail high short hood GP9 on the Allegheny Valley Railroad.
Three ex-IC GP10 (two of them still in the IC livery), sold to the Chicago Central and Pacific Railroad.
Ex-Illinois Central GP10 #8330 at the Florida Railroad Museum
