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‘ – 2″
Order: 1883
| Road no. | Class | Build date | Builder’s no. | Retired | Notes / disposition |
| 4645 | EF-644z | Aug – Sep 2000 | 52602 | ||
| 4646 | EF-644z | Aug – Sep 2000 | 52603 | ||
| 4647 | EF-644z | Aug – Sep 2000 | 52604 | ||
| 4648 | EF-644z | Aug – Sep 2000 | 52605 | ||
| 4649 | EF-644z | Aug – Sep 2000 | 52606 | ||
| 4650 | EF-644z | Aug – Sep 2000 | 52607 | ||
| 4651 | EF-644z | Aug – Sep 2000 | 52608 | ||
| 4652 | EF-644z | Aug – Sep 2000 | 52609 | ||
| 4653 | EF-644z | Aug – Sep 2000 | 52610 | ||
| 4654 | EF-644z | Aug – Sep 2000 | 52611 |