| Order # 72643, SD40-2 |
 | ||||||
| Serial # | Built Date | Type | Road No. | Road No. | Road No. | Road No. | Road No. | Road No. |
| 72643-1 | 07.73 | SD40-2 | MILW 26 | SOO 6310 | EMDX 6310 | . | . | . |
| 72643-2 | 07.73 | SD40-2 | MILW 27 | SOO 6311 | EMDX 6311 | . | . | . |
| 72643-3 | 07.73 | SD40-2 | MILW 28 | SOO 6312 | EMDX 6312 | . | . | . |
| 72643-4 | 07.73 | SD40-2 | MILW 29 | SOO 6313 | EMDX 6313 | GSWR 4000 | . | . |
| 72643-5 | 07.73 | SD40-2 | MILW 30 | SOO 6314 | EMDX 6314 | . | . | . |
