SP DD35 page: 1965 & 1969 renumberings
1965 Renumbering:
In late 1965, the SP began a program to renumber the majority of its locomotive fleet into a consolodated system. The DD35's were renumbered along with the rest of the fleet. They were also renumbered again in 1969.
| Orig. numbers | 1965 numbers | 1969 numbers |
| SP 8400 | SP 9500 | SP 9900 |
| SP 8401 | SP 9501 | SP 9901 |
| SP 8402 | SP 9502 | SP 9902 |