MP B23-7 Locos:
This page is dedicated to MP's fleet of B23-7 units. The MP was the original owner of 85 B23-7.
Original orders:
| Orig. road numbers | model | GE serial no. | build date | notes |
| MP 2289-2298 | B23-7 | 41772-41781 | 1/1978 | |
| MP 2299-2318 | B23-7 | 42148-42167 | 10-11/1978 | |
| MP 2319-2338 | B23-7 | 42680-42699 | 11-12/1979 |
| MP 4650-4659 | B23-7 | 42944-42953 | 4/1980 | |
| MP 4660-4669 | B23-7 | 43021-43030 | 6/1980 | |
| MP 4670-4684 | B23-7 | 43533-43547 | 4-5/1981 |
B30-7A: MP 2289 41772 1/1978 to MP 4600 MP 2290 41773 1/1978 to MP 4601 MP 2291 41774 1/1978 to MP 4602 MP 2292 41775 1/1978 to MP 4603 MP 2293 41776 1/1978 to MP 4604 MP 2294 41777 1/1978 to MP 4605 MP 2295 41778 1/1978 to MP 4606 MP 2296 41779 1/1978 to MP 4607 EMD retrofit cab MP 2297 41780 1/1978 to MP 4608 MP 2298 41781 1/1978 to MP 4609 MP 2299 42148 10/1978 to MP 4610 MP 2300 42149 10/1978 to MP 4611 MP 2301 42150 10/1978 to MP 4612 MP 2302 42151 10/1978 to MP 4613 MP 2303 42152 10/1978 to MP 4614 MP 2304 42153 10/1978 to MP 4615 MP 2305 42154 10/1978 to MP 4616 MP 2306 42155 10/1978 to MP 4617 MP 2307 42156 10/1978 to MP 4618 MP 2308 42157 10/1978 to MP 4619 MP 2309 42158 10/1978 to MP 4620 MP 2310 42159 10/1978 to MP 4621 MP 2311 42160 10/1978 to MP 4622 MP 2312 42161 11/1978 to MP 4623 MP 2313 42162 11/1978 to MP 4624 MP 2314 42163 11/1978 to MP 4625 MP 2315 42164 11/1978 to MP 4626 MP 2316 42165 11/1978 to MP 4627 MP 2317 42166 11/1978 to MP 4628 MP 2318 42167 11/1978 to MP 4629 MP 2319 42680 11/1979 to MP 4630 MP 2320 42681 11/1979 to MP 4631 MP 2321 42682 11/1979 to MP 4632 MP 2322 42683 11/1979 to MP 4633 MP 2323 42684 11/1979 to MP 4634 MP 2324 42685 11/1979 to MP 4635 MP 2325 42686 11/1979 to MP 4636 MP 2326 42687 11/1979 to MP 4637 MP 2327 42688 11/1979 to MP 4638 MP 2328 42689 11/1979 to MP 4639 MP 2329 42690 11/1979 to MP 4640 MP 2330 42691 11/1979 to MP 4641 MP 2331 42692 12/1979 to MP 4642 MP 2332 42693 12/1979 to MP 4643 MP 2333 42694 12/1979 to MP 4644 MP 2334 42695 12/1979 to MP 4645 MP 2335 42696 12/1979 to MP 4646 MP 2336 42697 12/1979 to MP 4647 MP 2337 42698 12/1979 to MP 4648 MP 2338 42699 12/1979 to MP 4649 MP 4650 42944 4/1980 MP 4651 42945 4/1980 MP 4652 42946 4/1980 MP 4653 42947 4/1980 MP 4654 42948 4/1980 MP 4655 42949 4/1980 MP 4656 42950 4/1980 MP 4657 42951 4/1980 MP 4658 42952 4/1980 MP 4659 42953 4/1980 MP 4660 43021 6/1980 MP 4661 43022 6/1980 MP 4662 43023 6/1980 MP 4663 43024 6/1980 MP 4664 43025 6/1980 MP 4665 43026 6/1980 MP 4666 43027 6/1980 MP 4667 43028 6/1980 MP 4668 43029 6/1980 MP 4669 43030 6/1980 MP 4670 43533 4/1981 MP 4671 43534 4/1981 MP 4672 43535 4/1981 MP 4673 43536 4/1981 MP 4674 43537 4/1981 MP 4675 43538 4/1981 MP 4676 43539 4/1981 MP 4677 43540 4/1981 MP 4678 43541 4/1981 to UP 178 MP 4679 43542 4/1981 MP 4680 43543 4/1981 MP 4681 43544 x/1981 MP 4682 43545 x/1981 MP 4683 43546 5/1981 MP 4684 43547 5/1981