MP SW9 Locos:
This page is dedicated to MP's fleet of SW9 yard switchers. MP was the original owner of 22 SW9 units and 13 SW9 units from their merger with the T&P.
Original orders:
| Orig. road numbers | model | EMD serial no. | build date | notes |
| MP 9170-9186 | SW9 | 12551-12567 | 4-6/1951 | |
| MP 9187-9191 | SW9 | 14325-14329 | 4/1951 |
Second-Hand Units:
ex T&P units:
| MP 1024-1028 | SW9 | 14022-14026 | 2/1951 | |
| MP 1029-1036 | SW9 | 14510-14517 | 7/1951 |
SW9: MP 1219# 14022 2/1951 ex T&P 1024 to MP 1419 (slug) to UP S28 MP 1220# 14023 2/1951 ex T&P 1025 MP 1221# 14024 2/1951 ex T&P 1026 MP 1222# 14025 2/1951 ex T&P 1027 MP 1223# 14026 2/1951 ex T&P 1028 MP 1224# 14510 7/1951 ex T&P 1029 MP 1225# 14511 7/1951 ex T&P 1030 MP 1226# 14512 7/1951 ex T&P 1031 MP 1227# 14513 7/1951 ex T&P 1032 MP 1228# 14514 7/1951 ex T&P 1033 MP 1229# 14515 7/1951 ex T&P 1034 MP 1230# 14516 7/1951 ex T&P 1035 MP 1231# 14517 7/1951 ex T&P 1036 MP 9170 12551 4/1951 to MP 1232 to UP 1269 (SW10) MP 9171 12552 4/1951 to MP 1233 to UP 1270 (SW10) MP 9172 12553 4/1951 to MP 1234 to MP 1423 (slug) to UP S32 MP 9173 12554 4/1951 to MP 1235 to MP 1413 (slug) to UP S22 to UPY 916 MP 9174 12555 4/1951 to MP 1236 to ISSX 1236 MP 9175 12556 5/1951 to MP 1237 to KCLX 1237 MP 9176 12557 5/1951 to MP 1238 to AMOX 1238 MP 9177 12558 5/1951 to MP 1239 to ST&T 22 MP 9178 12559 6/1951 to MP 1240 to CPSC 1240 MP 9179 12560 6/1951 to MP 1241 to NMOR 1241 MP 9180 12561 6/1951 to MP 1242 to UP 1266 (SW10) wrecked 4/1992 to RLIX 266? MP 9181 12562 6/1951 to MP 1243 to UP 1261 (SW10) MP 9182 12563 6/1951 to MP 1244 to UP 1262 (SW10) MP 9183 12564 6/1951 to MP 1245 to UP 1264 (SW10) MP 9184 12565 6/1951 to MP 1246 to UP 1263 (SW10) MP 9185 12566 6/1951 to MP 1247 to ISCX 1247 to WAMX 966 MP 9186 12567 6/1951 to MP 1248 sold for scrap to Erman Howell MP 9187* 14325 4/1951 to MP 1249* to GSW 103 MP 9188* 14326 4/1951 to MP 1250* to GMQ 4744 MP 9189* 14327 4/1951 to MP 1251* to UP 1268 (SW10) MP 9190* 14328 4/1951 to MP 1252* to MP 1216 MP 9191* 14329 4/1951 to MP 1253* to MP 1217 (slug) to MP 1420 to UP S29 to UPY 923 * sublettered StLB&M # sublettered T&P