Added to roster when CN acquired BC Rail Ltd on July 14. 2004.
Trucks: C-C
Engine: 7FDL16, 4,400 hp
Gear ratio:
Maximum speed: 65 mph
Operating weight (lbs.): 390,000
Tractive effort (lbs): 106,000
Length: 73‘ – 8″
Order: 1832
| Road no. | Class | Build date | Builder’s no. | Retired | Notes / disposition |
| 4641 | EF-644y | Mar 95 | 48469 | ||
| 4642 | EF-644y | Mar 95 | 48470 | ||
| 4643 | EF-644y | Mar 95 | 48471 | 2020 | |
| 4644 | EF-644y | Mar 95 | 48472 |