| Numbers | Builder | Model | Class | Built | Engine | HP | Speed | Dynamics | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 3000-3042 | MLW | RS-3 | MR-16a/b | 1953 | 244 | 1400 | 75 MPH | no | delivered 78xx, renumbered 18xx in’54, then 30xx in ’56 |
| 3058-3093 | MLW | RS-10 | MR-16g/j/k | 1955 | 244 | 1600 | 75 MPH | yes | |
| 3000-3120 | GE | Es44AC | EF-644p | 2015-2016 | GEVO12 | 4400 | 75 MPH | yes | manufactured in Texas |
| 3100-3129 | MLW | RS-18 | MR-18e | 1959 | 251 | 1800 | 80 MPH | yes | |
| 3150-3155 | CN | RS-18m | MRE-18g Histories | 1967 | 251 | 1800 | 92 MPH | no | rebuilt from 38xx with HEP251 |
| 3200-3240 | MLW | C-424 | MR-24a/b Histories | 1964 | 251-B | 2400 | 75 MPH | no | |
| 3500-3579 | MLW | M-420(W | )MR-20a Histories | 1973 | 251-C3-V | 2000 | 65 MPH | no | delivered in the 25xx series renumbered to 35xx in’86-’87 |
| 3615-3699 | MLW | RS-18 | MR-18b/c | 1957 | 251-B | 1800 | 75MPH | yes | |
| 3700-3745 | MLW | RS-18 | MR-18d | 1958 | 251-B | 1800 | 75MPH | yes | |
| 3806-4066 | GE | ET44ac | EF-644x | 2018-2020 | GEVO12 | 4400 | 75MPH | yes | manufactured in Texas |
| 3830-3893 | MLW | RS-18 | MR-18 f / g Histories | 1959/1960 | 251-B | 1800 | 75MPH | yes | |
| 4000-4036 | GMD/CN | GPu | GR-418a/b/c Histories | 1981 | 16V-645C | 1800 | 65 MPH | no | remanufactured by CN @ Point ST. Charles |
| 4100-4156 | GMD | GP9 | GR-17p/y Histories | 1959 | 567-C | 1750 | 65 MPH | yes | renumbered to and from 43xx series see histories |
| 4100-4143 | GMD/CN | GPu | GR-418d/e/f | 1991 | remanufactured by CN @ Point ST. Charles | ||||
| 4206-4299 | GMD | GP9 | GR-17n/q/t Histories | 1956 | 567-C | 1750 | 65 MPH | yes | |
| 4300-4399 | GMD | GP9 | GR-17u/z Histories | 1959 | 567-C | 1750 | 65 MPH | yes | |
| 4400-4499 | GMD | GP9 | GR-17a/f Histories | 1955-1956 | 567-C | 1750 | 65 MPH | yes | 4427-4450 not used renumbered from 17xx & 20xx see histories |
| 4500-4599 | GMD | GP9 | GR-17g/h/m/r Histories | 1956-1957 | 567-C | 1750 | 65 MPH | yes | 4539-4559 not used |
| 4600-4611 | GMD | GP9 | GR-17za/zb Histories | 1957 | 567-C | 1750 | 65 MPH | yes | renumbered from NAR2xx after CN aquired NAR |
| 4700-4735 | GMD | GP38-2 | GR-420b Histories | 1972 | 16-645E | 2000 | 65 MPH | no | renumbered from 55xx series in 1988 |
| 4760-4799 | GMD | GP38-2(W) | GR-420c Histories | 1973 | 16-645E | 2000 | 65 MPH | no | renumbered from 55xx series in 1988 |
| 4800-4824 | GMD | GP7 | GR-15a Histories | 1953 | Built as 75xx renumbered 17xx and then 43xx | ||||
| 4800-4810 | GMD | GP38-2(W) | GR-420c Histories | 1974 | 16-645E | 2000 | 65 MPH | no | renumbered from the 56xx series in 1988 |
| 5000-5099 | GMD | SD40 | GF-30c/d Histories | 1967 | 16-645 E3 | 3000 | 65 MPH | no | 5000-5007 had dynamic brakes |
| 5100-5199 | GMD | SD40 | GF-30e/h/k Histories | 1969 | 16-645 E3 | 3000 | 65 MPH | no | 5111-5132 had dynamic brakes |
| 5200-5240 | GMD | SD40 | GF-30k/m Histories | 1971 | 16-645 E3 | 3000 | 65 MPH | no | |
| 5241-5299 | GMD | SD40-2(W) | GF-30n/p/q Histories | 1975 | 16-645E3C | 3000 | 65 MPH | yes | wide nose comfort cab> |
| 5300-5362 | GMD | SD40-2(W) | GF-30r/s/t/u Histories | 1978-1980 | 16-645E3C | 3000 | 65 MPH | yes | wide nose comfort cab |
| 5364-5398 | EMD | SD40-2 | GF-30v/w/x/z Histories | 1973 | 16-645E3C | 3000 | 65 MPH | yes | Purchased from Union Pacific in 1994 numbered UP41xx and MP 31xx before that |
| 5400-5459 | GMD | SD50F | GF-636a/b Histories | 1985-1987 | 16-645F3B | 3500 | 65 MPH | yes | wide nose comfort cab wheel slip system |
| 5400-5489 | EMD | SD60 | GF-638c Histories | 1986 | 16-710G3 | 3800 | 65 MPH | no | purchased from Oakway/GM leasing renumbered from 90xx series |
| 5500-5562 | GMD | SD60F | GF-638a/b/c Histories | 1989 | 16-710G3 | 3800 | 65 MPH | ? | |
| 5600-5625 | GMD | SD70I | GF-640a Histories | 1995 | 16-710G3B | 4000 | 70 MPH | ? | whisper cab and steerable trucks |
| 5626-5699 | GMD | SD75I | GF-643a/b/c Histories | 1996-1997 | 16-710G3C | 4300 | 70 MPH | ? | |
| 5694-5727 | GMD | SD75I | GF-643a/b Histories | 1999 | 16-710G3C | 4300 | 70 MPH | ? | |
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