UP 31
| blt 10/63, retired 1/74 |
U50
| 34891 | 3 | 37450 |
UP 32
| retired 11/74 |
U50
| 34892 | 3 | 83588 |
UP 33
| retired 10/73 |
U50
| 34893 | 2 | 145490 |
UP 34
| Blt 7/64, Ret. 2/74, Returned to GE |
U50
| 35094 | 6 | 104405 |
UP 35
| blt 7/64, retired 09/73, traded to GE |
U50
| 35095 | 2 | 145491 |
UP 36
| Built 7/64 |
U50
| 35096 | 1 | 248809 |
UP 37
| retired 11/74 |
U50
| 35097 | 2 | 147188 |
UP 38
| blt 7/64, traded to GE 09/25/73 |
U50
| 35098 | 1 | 147306 |
UP 39
| retired 01/74 |
U50
| 35099 | 2 | 155535 |
UP 40
| ex-UP |
U50
| 35100 | 2 | 249656 |
UP 41
| blt 8/64, retired 01/74 |
U50
| 35101 | 1 | 147411 |
UP 42
| Built 8/64 |
U50
| 35102 | 1 | 255919 |
UP 43
| blt 8/64, retired 01/74, traded to GE |
U50
| 35103 | 4 | 145488 |
UP 44
| blt 9/64, retired 12/73, traded to GE |
U50
| 35104 | 1 | 145487 |
UP 45
| blt 09/1964, sfs 04/77 |
U50
| 35105 | 2 | 227810 |
UP 46
| blt 05/65, retired 09/73 |
U50
| 35644 | 3 | 112476 |
UP 48
| |
U50
| 35646 | 2 | 255959 |
UP 49
| blt 07/65, retired 01/74 |
U50
| 35647 | 2 | 112479 |
UP 50
| blt 07/65, retired 01/74, traded to GE |
U50
| 35648 | 2 | 145489 |
UP 51
| retired 04/77, sfs |
U50
| 35649 | 4 | 35698 |
UP 52
| Built 7/65 with Cummins Fuel sys., rated 5600HP, derated 10/66, Ret. 9/73 |
U50
| 35650 | 3 | 173537 |