SP 6900-6928
These units were built as SP units and renumbered as part of the SP's 1965 systemwide locomotive renumberign plan.
1965 NUMBERS:
SP 6900-6928:
| 1965 road number | Orig. road number | notes |
| SP 6900 | SP 4816 | |
| SP 6901 | SP 4817 | |
| SP 6902 | SP 4818 | |
| SP 6903 | SP 4819 | |
| SP 6904 | SP 4820 | |
| SP 6905 | SP 4821 | |
| SP 6906 | SP 4822 | |
| SP 6907 | SP 4823 | |
| SP 6908 | SP 4824 | |
| SP 6909 | SP 4825 | |
| SP 6910 | SP 4826 | |
| SP 6911 | SP 4827 | |
| SP 6912 | SP 4828 | |
| SP 6913 | SP 4829 | |
| SP 6914 | SP 4830 | |
| SP 6915 | SP 4831 | |
| SP 6916 | SP 4832 | |
| SP 6917 | SP 4833 | |
| SP 6918 | SP 4834 | |
| SP 6919 | SP 4835 | |
| SP 6920 | SP 4836 | |
| SP 6921 | SP 4837 | |
| SP 6922 | SP 4838 | |
| SP 6923 | SP 4839 | |
| SP 6924 | SP 4840 | |
| SP 6925 | SP 4841 | |
| SP 6926 | SP 4842 | |
| SP 6927 | SP 4843 | |
| SP 6928 | SP 4844 |