| GN # Series | Specific Units | Model | Notes |
|---|---|---|---|
| 500 Series |
586, 592, 599 | B40-8W | |
1600 Series |
1600 & 1625 | GP9 | |
| 1672, 1678 | RCPL | ||
1700 Series |
1700 & 1703 | GP9B | |
| 1714, 1716-22, 1724-32, 1741 | SD9 | ||
1900 Series |
1913-1923, 1927 | SD39 | |
6300 Series |
6310 | SD40 |