SP PB page
While the SP, T&NO and SSW all owned Alco PA locomotives, only the SP proper rostered the cabless PB locomotives.
Original orders:
SP:
| Orig. road numbers | ALCO const. no. | build date |
| SP 6005B-6007B | 75607-75609 | 5-7/1948 |
| SP 6008B-6010B | 75786-75788 | 9/1949 |
| SP 5918-5919 | 78219-78220 | 9-10/1950 |
| SP 5920-5921 | 78212-78213 | 4-5/1952 |
| SP 5922-5924 | 80607-80609 | 5-7/1953 |