3GS21B
Diesel-electric locomotive
| Build: | NREC 2006 |
| Gauge: | 1435 mm |
| UIC axles: | Bo'Bo' |
| Prime mover: | Cummins QSK19C |
| Power output: | 1570 kW |
| Source: | en.wikipedia.org |
Career
 | CCT 3GS21B | Central California Traction Company | 1 |
| CFNR 3GS21B | California Northern Railroad | 4 |
| CSXT 3GS21B | CSX Transportation | 2 |
| IHB 3GS21B | Indiana Harbor Belt Railroad | 1 |
| TMBL 3GS21B | Tacoma Rail | 1 |
| TRC 3GS21B | Trona Railway | 1 |
| UPY 3GS21B | Union Pacific Yard | 2 |
