SP 4700-4709
These units were rebuilt in 1976-1978 as part of the SP's GRIP program.
1976-1978 NUMBERS:
SP 4700-4709:
| 1974 road number | 1965 road number | orig road number |
| SP 4700 | SP 6900 | SP 4816 |
| SP 4701 | SP 6906 | SP 4822 |
| SP 4702 | SP 6918 | SP 4834 |
| SP 4703 | SP 6923 | SP 4839 |
| SP 4704 | SP 6913 | SP 4829 |
| SP 4705 | SP 6905 | SP 4821 |
| SP 4706 | SP 6925 | SP 4841 |
| SP 4707 | SP 6926 | SP 4842 |
| SP 4708 | SP 6907 | SP 4823 |
| SP 4709 | SP 6903 | SP 4819 |