including SD 24 rebuilt: SD 20
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SD 24
SD 20
EMD Road Switcher SD 24 and SD 20 (rebuilt out of SD 24)
| SD 24 | SD 20 | |
| Horsepower: | 2,400 | 2,000 |
| Wheel Arrangements: | C-C | C-C |
| Production Years: | 1958 - 1963 | |
| Engine Model: | 567D3 | |
| Cylinders: | 16 | |
| Number of Units | 179 |