Photograph | Locomotive | Build date | Builder | Model | Former operators | Retire date | Disposition | Location | Notes | References |
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| Southern Pacific 3194 | May 1954 | Electro-Motive Division (EMD) | GP9R | | March 26, 1997 | Operational | Golden Gate Railroad Museum in Schellville, California | | [1] |
| Southern Pacific 5623 | April 1955 | Electro-Motive Division (EMD) | GP9R | Southern Pacific Railroad | 1991 | Operational | Niles Canyon Railway in Sunol, California | "torpedo boat" version | [2] |
| Western Pacific 727 | September 1955 | Electro-Motive Division (EMD) | GP9 | Western Pacific Railroad | - | On static display | Elko Railroad Park, Elko, Nevada | | |
| Pennsylvania Railroad 7006 | October 1955 | Electro-Motive Division (EMD) | GP9 | | - | On static display | Railroad Museum of Pennsylvania in Strasburg, Pennsylvania | | |
| Pennsylvania Railroad 7048 | December 1955 | Electro-Motive Division (EMD) | GP9 | | - | On static display | Horseshoe Curve, Altoona, Pennsylvania | | |
| Northern Pacific 245 | February 1956 | Electro-Motive Division (EMD) | GP9 | | - | On static display | Lake Superior Railroad Museum in Duluth, Minnesota | | [3] |
| B&O 6607 | October 1956 | Electro-Motive Division (EMD) | GP9 | | July 16, 1986 | Operational | B&O Railroad Museum in Baltimore, Maryland | | [4] |
| Southern Pacific 2873 | December 1956 | Electro-Motive Division (EMD) | GP9R | | - | Undergoing repairs | Western Pacific Railroad Museum in Portola, California | | [5] |
| BUGX 1803 | January 1957 | Electro-Motive Division (EMD) | GP9R | | - | Under ownership of BUGX | - | | |
| BNSF 1685 | March 1957 | General Motors Diesel (GMD) | GP9 | | - | Operational | Prairie Dog Central Railway, Winnipeg, Manitoba | | [6] |
| Boston and Maine 1741 | July 1957 | Electro-Motive Division (EMD) | GP9 | | - | Operational | Conway Scenic Railroad in North Conway, New Hampshire | | [7] [8] |
| Grand Trunk Western 4138 | November 1958 | General Motors Diesel (GMD) | GP9 | | - | Operational | Prairie Dog Central Railway, Winnipeg, Manitoba | | [9] |
| Norfolk and Western 514 | November 1958 | Electro-Motive Division (EMD) | GP9 | | 1987 | Unknown | Roanoke Chapter of the National Railway Historical Society | | [10] |
| Norfolk and Western 686 | February 1959 | Electro-Motive Division (EMD) | GP9 | | - | Operational | Railroad Museum of New England in Thomaston, Connecticut | | |
| BUGX 1801 | April 1959 | Electro-Motive Division (EMD) | GP9R | | - | Stored | South Haven, Kansas | | |
| Norfolk and Western 859 | June 1959 | Electro-Motive Division (EMD) | GP9 | | - | Operational | Railroad Museum of New England in Thomaston, Connecticut | | |