SP S1 page
The SP owned a total of only five ALCO S1 switch engines configured as switchers. Four units for the SP and one for T&NO were rostered.
Original orders:
SP:
| Orig. road numbers | ALCO const. no. | build date |
| SP 1017 | 69465 | 4/1941 |
| SP 1018 | 69471 | 4/1941 |
| SP 1019 | 69474 | 4/1941 |
| SP 1020 | 69481 | 4/1941 |
T&NO:
| Orig. road numbers | ALCO const. no. | build date |
| T&NO 10 | 69475 | 4/1941 |