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WSOR 4490
| Model | Build Date | Builder's Number | Prime Mover | Horsepower |
| GP9M | 4/59 | 25220 | 16-567C | 1750 |
Unit History:
Chicago, Rock Island & Pacific 1330
Chicago, Rock Island & Pacific 4492
WSOR 4490

4490 sits by the yard office in Madison (4/21/01)