SP SW900 page: 1965 system renumbering
1965 Renumbering:
In late 1965, the SP began a program to renumber the majority of its locomotive fleet into a consolodated system without regard for reporting mark.
| 1965 numbers | Orig. numbers | notes |
| SP 1170 | SP 4624 | |
| SP 1171 | SP 4625 | |
| SP 1172 | SP 4626 | |
| SP 1173 | SP 4627 | |
| SP 1174 | SP 4628 | |
| SP 1175 | SP 4629 | |
| SP 1176 | SP 4630 | |
| SP 1177 | SP 4631 | |
| SP 1178 | SP 4632 | |
| SP 1179 | SP 4633 |