SP GP20 page:
This page is dedicated to SP & SSW's fleet of GP20 locomotives. The SP rostered 58 GP20's originally lettered for SP and SSW. All units were delivered in grey and red "bloody nose" paint with low front hoods. SP purchased the four demonstrator GP20s.
Original orders:
SP:
| Orig. road numbers | EMD const. no. | build date |
| SP 7200-7223 | 27087-27110 | 1-3/1962 |
| SP 7224-7233 | 27345-27354 | 3-4/1962 |
SSW:
| Orig. road numbers | EMD const. no. | build date |
| SSW 800-809 | 26304-26313 | 12/1960-1/1961 |
| SSW 810-819 | 26943-26952 | 12/1961-1/1962 |
Second-Hand Units - ex EMDX 5625-5628 - Demonstrators:
SP:
| SP 7234-7237 | 26107-26110 | 8/1960 |