UP 9900
| The first confirmed EMD Tier 3.5 pre-production test unit. 926302-19 |
SD59MX
| 20087146-001 | 3 | 162874 |
UP 9903
| SD59M-2 from UP 2473, nee UP 6318 |
SD59MX
| 926302-3 | 5 | 150870 |
UP 9922
| SD59M-2 old build was Oct 1992 as 926302-37 new Apr 2012 |
SD59MX
| 20107425-014 | 3 | 169046 |