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|    LLPX 2210  | |||||||||||||
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The EMD GP38AC is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division between February 1970 and December 1971. It was basically a GP38 with an AR10 alternator instead of the GP38's normal generator. [1] [2]
261 examples of this model were built; railroads that purchased this model include CP, DT&I, GTW, GM&O, IC, LV, L&N, N&W, SLSF, SOU and Pacific Power and Light. [3]
Many were upgraded to full GP38-2 status with the Dash 2 modular electrical cabinet.
 
 | Railroad | Quantity | Road numbers | Notes | 
|---|---|---|---|
| CP Rail | 21  | 3000-3020 | |
| Detroit, Toledo and Ironton Railroad | 14  | 210-217 | 215 renumbered 209, 216 renumbered 208, 217 renumbered 207; to Grand Trunk Western Railroad 6207-6214 | 
| 215-220 | To Grand Trunk Western Railroad 6215-6220 | ||
| Grand Trunk Western Railroad | 12  | 5800-5811 | |
| Gulf, Mobile and Ohio Railroad | 13  | 721-733 | To Illinois Central 9540-9552 | 
| Illinois Central Railroad | 20  | 9500-9519 | |
| Lehigh Valley Railroad [4] | 4  | 310-313 | To Conrail 7656-7659, [5] and then to Norfolk Southern 2881-2884, Rebuilt into remote control yard slugs in 2007 | 
| Louisville and Nashville Railroad | 30  | 4020-4049 | To Seaboard System Railroad 6241-6270 then to CSX [6] | 
| Norfolk and Western Railway | 60  | 4100-4159 | To Norfolk Southern. [7] | 
| Pacific Power & Light Company | 1  | 11 | To Arizona Public Service - Pacificorp Cholla Power Plant | 
| Southern Railway | 56  | 2823–2878 | To Norfolk Southern. [8] | 
| St. Louis – San Francisco Railway | 30  | 633-662 | 651 wrecked, remaining to Burlington Northern Railroad 2110-2138 and later to BNSF. Some of them were rebuilt as GP38-3R or GP39-3 | 
| Totals | 261 | 
 In June 2020, BNSF 2127, originally Frisco 650 built in February 1971, was donated to the Galveston Railroad Museum, in Galveston, Texas. [9]