SBD 3237
| ex-MON 608, to CSX 3237, retired 05/91 |
U23B
| 37300 | 0 | 38351 |
SBD 3306
| Built 12/1974 as L&N 2805 |
U23B
| 40115 | 1 | 173992 |
SOU 3911
| Built 6/1973; re# NS 3911 |
U23B
| 39221 | 6 | 172664 |
SOU 3913
| Built 6/1973; re# NS 3913 |
U23B
| 39223 | 2 | 172125 |
SOU 3917
| Built 5/1974; re# NS 3917 |
U23B
| 39623 | 20 | 99834 |
SOU 3921
| Built 5/1974; re# NS 3921 |
U23B
| 39627 | 5 | 172014 |
SOU 3931
| Built 5/1974; re# NS 3931 |
U23B
| 39637 | 11 | 182356 |
SOU 3933
| Built 5/1974; re# NS 3933 |
U23B
| 39639 | 6 | 104669 |
SOU 3939
| Built 5/1975; re# NS 3939 |
U23B
| 40082 | 5 | 123718 |
SOU 3943
| Built 6/1975; re# NS 3943 |
U23B
| 40086 | 7 | 33193 |
SOU 3951
| Built 7/1975; re# NS 3951 |
U23B
| 40094 | 5 | 163347 |
SOU 3955
| Built 11/1976; re# NS 3955 |
U23B
| 41508 | | 56600 |
SOU 3959
| Built 11/1976; re# NS 3959 |
U23B
| 41512 | 4 | 171657 |
SOU 3961
| Built 12/1976; re# NS 3961 |
U23B
| 41514 | 6 | 5089 |