SP 6706-6714
These units were built as SP units and renumbered as part of the SP's 1965 systemwide locomotive renumberign plan.
1965 NUMBERS:
SP 6706-6714:
| 1965 road number | Orig. road number | notes |
| SP 6706 | SP 7506 | |
| SP 6707 | SP 7507 | |
| SP 6708 | SP 7508 | SP 6800 (Bicentennial); SP 3100; preserved |
| SP 6709 | SP 7509 | |
| SP 6710 | SP 7510 | |
| SP 6711 | SP 7511 | |
| SP 6712 | SP 7512 | |
| SP 6713 | SP 7513 | |
| SP 6714 | SP 7514 |