SOO 2001
| Ex MILW, to EMDX, to NTZR, to GMTX. |
GP40
| 31611 | 1 | 16416 |
SOO 2007
| nee MILW 187 |
GP40
| 31673 | 1 | 53846 |
SOO 2010
| nee MILW 190, MILW 2010, SOO 2010 *Scrapped July 2024* |
GP40
| 31676 | 3 | 12097 |
SOO 2011
| Ex-MILW. Sold to GMTX, to BNSF, to MC |
GP40
| 32307 | 1 | 14464 |
SOO 2014
| nee MILW 176 |
GP40
| 32296 | 3 | 16421 |
SOO 2015
| nee MILW 177 |
GP40
| 32297 | 1 | 36940 |
SOO 2016
| nee MILW 178, MILW 2016, SOO 2016, LTEX ? |
GP40
| 32298 | 2 | 12098 |
SOO 2018
| nee MILW 192 > 2018 > NREX 2018 > WC 3026 map |
GP40
| 32300 | 1 | 52624 |
SOO 2025
| nee MILW 180, MILW 2025, SOO 2025, CP 4611 |
GP40
| 31610 | 1 | 16422 |
SOO 2026
| nee MILW 153 > 2026 > CP 4612 |
GP40
| 32470 | 1 | 12099 |
SOO 2031
| nee MILW 158 > 2031 |
GP40
| 32475 | 1 | 12875 |
SOO 2032
| nee MILW 159 > SOO 2032 > CP 4613 |
GP40
| 32476 | 1 | 6439 |
SOO 2035
| nee MILW 162, MILW 2035, SOO 2035, CP 4615, RRC 4615, PHRR 8955 |
GP40
| 32479 | 1 | 37407 |
SOO 2036
| nee MILW 163 > 2036 > CP 4616 |
GP40
| 32480 | 1 | 36939 |
SOO 2040
| nee MILW 167 |
GP40
| 32484 | 1 | 55502 |
SOO 2041
| nee MILW 168, MILW 2041, PRLX 2041, KCS 2957 |
GP40
| 32485 | 4 | 20383 |
SOO 2043
| nee MILW 170. Sold to NREX, to SWP |
GP40
| 32487 | 1 | 36842 |
SOO 2046
| nee MILW 173 |
GP40
| 32490 | 1 | 45041 |
SOO 2057
| nee MILW 2057, SOO 2057, LTEX 3010 |
GP40
| 34145 | 2 | 12102 |
SOO 2058
| nee MILW 2058 |
GP40
| 34146 | 1 | 12103 |
SOO 2059
| nee MILW 2059 |
GP40
| 34147 | 1 | 14463 |
SOO 2064
| nee MILW 2064 > SOO 2064 > RRC 2064 |
GP40
| 34141 | 4 | 4671 |
SOO 2065
| nee MILW 2065 > SOO 2065 > UP 866 > UP 1039 GP 38-2 > HLCX 1039 |
GP40
| 34142 | 1 | 40722 |
SOO 4601
| nee SOO 733 *Scrapped July 2024* |
GP40
| 32955 | 1 | 18418 |
SOO 4603
| nee SOO 735 *Scrapped July 2024* |
GP40
| 32957 | 1 | 16588 |
SOO 4648
| nee MILW 195 > MILW 2021 > Soo 4648 |
GP40
| 32303 | 1 | 14452 |