| Road | Number | Model | Order | Serial | Notes | # Photos | Date Added |
|---|---|---|---|---|---|---|---|
| ATSF | 1200 | MK MK1200G | 0392-1 | to BNSF 1200 | 1 | 5/22/2024 | |
| ATSF | 1201 | MK MK1200G | 22057 | LNG loco | 1 | 12/31/2023 | |
| BNSF | 1200 | MK MK1200G | 5487 | 22472 | Ex-GN | 12 | 1/1/2000 |
| BNSF | 1201 | MK MK1200G | 5521 | 22057 | Ex-C&O | 34 | 1/1/2000 |
| BNSF | 1202 | MK MK1200G | 7549 | 23227 | Ex-B&M | 3 | 6/24/2010 |
| BNSF | 1203 | MK MK1200G | 5024 | 10548 | Ex-NCSL | 7 | 1/1/2000 |
| FORMER | ATSF/BNSF | MK MK1200G | EX ATSF/BNSF. Runs on Liquid Natural Gas | 1 | 8/21/2014 | ||
| HPRX | 9614 | MK MK1200G | PTRA 9614 MP1500D | 7 | 2/1/2007 | ||
| LAJ | 1200 | MK MK1200G | 5487 | 22472 | 5 | 1/1/2000 | |
| LAJ | 1201 | MK MK1200G | 5521 | 22057 | 7 | 1/1/2000 | |
| LAJ | 1202 | MK MK1200G | 7549 | 23227 | 3 | 8/10/2008 | |
| MPEX | 1506 | MK MK1200G | 6369-5 | MP1500D nee Gp7 PLE 5717 5/1952 > Gp10 ICG 8037 | 5 | 5/6/2018 | |
| UP | 1299 | MK MK1200G | 10548 | ex SBD 2358, ex LN 2358, ex LN 475, ex NCSL 707 | 2 | 2/19/2018 | |
| WRIX | 1200 | MK MK1200G | 22472 | Ex-BNSF/LAJ, nee-GN | 4 | 1/8/2022 |