EMD SD45X
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| Type and origin | |
|---|---|
| Power type | Diesel-electric |
| Builder | General Motors Electro-Motive Division (EMD) |
| Model | SD45X |
| Build date | June 1970 to February 1971 |
| Total produced | 7 |
| Specifications | |
|---|---|
| Configuration: |
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| • AAR | C-C |
| • UIC | Co'Co' |
| Gauge | 4 ft 8 1⁄2 in (1,435 mm) standard gauge |
| Prime mover | EMD 20-645E3A |
| Engine type | V20 diesel |
| Cylinders | 20 |
| Performance figures | |
|---|---|
| Power output | 4,200 hp (3,130 kW) |
| Career | |
|---|---|
| Locale | United States |
An EMD SD45X is a 6-axle experimental diesel-electric locomotive built by General Motors Electro-Motive Division between June 1970 and February 1971. Power was provided by an EMD 645E3A 20-cylinder engine which generated 4,200 horsepower (3,130 kW). 7 examples of this locomotive model were built for American railroads. 6 of these units would end up in service with Southern Pacific Railroad. One was rebuilt in 1980 by Morrison-Knudsen into an SD45Xm with a long hood from a scrapped DD35.
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