SOO GP40 Locos:
This page is dedicated to SOO's fleet of EMD GP40 roadswitchers. The SOO was the original owner of 4 GP40 units and xx units from the MILW.
SOO units:
Original orders:
| Orig. road numbers | model | EMD serial no. | build date | notes |
| SOO 732-735 | GP40 | 32954-32957 | 3/1967 |
Second-hand units:
| SOO ****-**** | GP40 | *****-***** | */19** | ex MILW ***-*** |
GP40: SOO 732 32954 3/1967 to SOO 4600 SOO 733 32955 3/1967 to SOO 4601 SOO 734 32956 3/1967 to SOO 4602 SOO 735 32957 3/1967 to SOO 4603