Added to CN roster with acquisition of IC July 1999
Length:
Trucks: C-C Flexicoil
Engine: 16-16-710G3B, 4,000 hp
Gear ratio:
Maximum speed:
Operating weight (lbs.): 394,000
Tractive effort (lbs.):
Length: 72′ – 4″
| Road no. | Class | Build date | Builder’s no. | Retired | Notes / disposition |
| 1000 | GF-640b | Sep 95 | 946518-1 | Equipped with distributed power capability | |
| 1001 | GF-640b | 1995 | 946518-2 | Equipped with distributed power capability | |
| 1002 | GF-640b | 1995 | 946518-3 | Equipped with distributed power capability. Painted CN | |
| 1003 | GF-640b | 1995 | 946518-4 | Equipped with distributed power capability | |
| 1004 | GF-640b | 1995 | 946518-5 | Equipped with distributed power capability | |
| 1005 | GF-640b | 1995 | 946518-6 | Equipped with distributed power capability | |
| 1006 | GF-640b | 1995 | 946518-7 | Jul 11 05 | Wrecked in head-on collision (Anding, MS) Jul 10 05 |
| 1007 | GF-640b | 1995 | 946518-8 | Equipped with distributed power capability | |
| 1008 | GF-640b | 1995 | 946518-9 | Equipped with distributed power capability | |
| 1009 | GF-640b | 1995 | 946518-10 | Equipped with distributed power capability | |
| 1010 | GF-640b | 1995 | 946518-11 | Equipped with distributed power capability | |
| 1011 | GF-640b | 1995 | 946518-12 | Equipped with distributed power capability | |
| 1012 | GF-640b | 1995 | 946518-13 | Equipped with distributed power capability | |
| 1013 | GF-640b | 1995 | 946518-14 | Jul 11 05 | Wrecked in head-on collision (Anding, MS) Jul 10 05 |
| 1014 | GF-640b | 1995 | 946518-15 | Jul 11 05 | Wrecked in head-on collision (Anding, MS) Jul 10 05 |
| 1015 | GF-640b | 1995 | 946518-16 | Equipped with distributed power capability | |
| 1016 | GF-640b | 1995 | 946518-17 | ||
| 1017 | GF-640b | 1995 | 946518-18 | ||
| 1018 | GF-640b | 1995 | 946518-19 | ||
| 1019 | GF-640b | Nov 95 | 946518-20 | ||
| 1020 | GF-640c | Feb 99 | 966727-1 | ||
| 1021 | GF-640c | Feb 99 | 966727-2 | ||
| 1022 | GF-640c | Feb 99 | 966727-3 | ||
| 1023 | GF-640c | Feb 99 | 966727-4 | Jul 11 05 | Wrecked in head-on collision (Anding, MS) Jul 10 05 |
| 1024 | GF-640c | Feb 99 | 966727-5 | ||
| 1025 | GF-640c | Feb 99 | 966727-6 | ||
| 1026 | GF-640c | Feb 99 | 966727-7 | ||
| 1027 | GF-640c | Feb 99 | 966727-8 | ||
| 1028 | GF-640c | Feb 99 | 966727-9 | ||
| 1029 | GF-640c | Feb 99 | 966727-10 | ||
| 1030 | GF-640c | Feb 99 | 966727-11 | ||
| 1031 | GF-640c | Feb 99 | 966727-12 | ||
| 1032 | GF-640c | Feb 99 | 966727-13 | ||
| 1033 | GF-640c | Feb 99 | 966727-14 | ||
| 1034 | GF-640c | Feb 99 | 966727-15 | ||
| 1035 | GF-640c | Feb 99 | 966727-16 | ||
| 1036 | GF-640c | Feb 99 | 966727-17 | ||
| 1037 | GF-640c | Feb 99 | 966727-18 | ||
| 1038 | GF-640c | Feb 99 | 966727-19 | ||
| 1039 | GF-640c | Feb 99 | 966727-19 | Painted CN |