SP 7000-7020
These units were sold back to ALCO in 12/1960 for rebuilding into RSD12's.
SP 7000-7020:
| RSD12 road number | Orig. road number | notes |
| SP 7000 | SP 5305 | |
| SP 7001 | SP 5307 | |
| SP 7002 | SP 5294 | |
| SP 7003 | SP 5295 | |
| SP 7004 | SP 5445 | |
| SP 7005 | SP 5446 | |
| SP 7006 | SP 5447 | |
| SP 7007 | SP 5339 | |
| SP 7008 | SP 5296 | |
| SP 7009 | SP 5297 | |
| SP 7010 | SP 5299 | |
| SP 7011 | SP 5298 | |
| SP 7012 | SP 5300 | |
| SP 7013 | SP 5302 | |
| SP 7014 | SP 5306 | |
| SP 7015 | SP 5338 | |
| SP 7016 | SP 5303 | |
| SP 7017 | SP 5304 | |
| SP 7018 | SP 5336 | |
| SP 7019 | SP 5337 | |
| SP 7020 | SP 5301 |