WSOR 4001
| Model | Build Date | Builder's Number | Prime Mover | Horsepower |
| SD40-2 | 12/73 | 30173 | 16-645E | 3000 |
Unit History:
Chicago, Rock Island & Pacific 4799
Illinois Central Gulf 6049
Electro-Motive Leasing 6049
WSOR 6049
WSOR 4001
6046 and 4001 switch in Janesville (4/5/02)
