SP RSD5 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 2850-2870 | T&NO 155=176 | |
| SP 2871 | SP 5448 | |
| SP 2872-2885 | SP 5494-5507 | |
| SP 2886-2887 | T&NO 185-186 | |
| SP 2888-2890 | SSW 270-272 |