2003 (Kevin Dunk)
Locomotive numbers: 2001-2005
Model Number: C628
| Type | Diesel-Electric |
| Introduced | 1965 |
| Number in class | 5 |
| Manufacturer | Alco |
| Gauge | Standard |
| Axles | Co-Co |
| Length | 21.1 m |
| Mass | 176 t |
| Engine | Alco 16-251F |
| Generator | GE 5GT586A |
| Traction motors | GE 752 |
| Power | 2275 kW / 3050 HP |
| Tractive effort | 534 / 274 kN |
| Speed | 115 / ? km/h |
These locos were Hamersley's first mainline locos, and were more of a stop-gap measure until additional motive power was obtained. This class was bought new from the USA. They were withdrawn when higher-powered locos entered service.
Preserved locomotives:
| 2003 | Pilbara Railway Historical Society |
| Loco | Serial # | In Service | Comments |
| 2001 | 3415-2 | 9/1965 | Scrapped |
| 2002 | 3415-3 | 9/1965 | Scrapped |
| 2003 (orignally 2000) |
3415-1 | 9/1965 | Preserved Number returned to 2000 in preservation |
| 2004 | 3482-1 | 6/1967 | Scrapped |
| 2005 | 3482-2 | 6/1967 | Scrapped |