Trucks: B-B Blomberg
No engine
Operating weight: 258,000 lbs.
Tractive effort: 49,000 lbs.
Require an electrical connection from a locomotive to provide electrical current for the traction motors.
Nos. 523 and 524 were renumbered after they were modified to work with SW1200RS Nos. 425 and 426.
| Road no. | Class | Former road no. | Renumber date | Retired | |
| 523 | GH-00c | 454 | c. 1986 | ||
| 524 | GH-00c | 461 | Nov 5 85 | 2020 | |
| 525 | GH-00d | 455, 208 | Nov 90 | 2019 | |
| 526 | GH-00d | 456, 209 | Nov 90 |