A total of 43 SS9 and 173 SS9G 6400hp Co-Co electrics were built for fast passenger work by Zhuzhou between 1998 and 2006. The two variants look quite different but are similar technically. Both variants can be found working various routes from from Beijing and in the north-east.
- SS3, SS3B Class
- 37E Class
- ZG100 & ZG150 Class
- ED85 Class
- EL1 & EL2 Class
- NYJ1, NZJ1, NZJ2 Class
- Narrow Gauge Electrics
- DF8 Class
- HXD3B/3C/3D Class
- DF5, DF5B, DF5D Class
- DF7G Class
- BJ Class
- DF8B Class
- DF4C Class
- SS4, SS4G Class
- DF11 Class
- DF4D, DF4DD Class
- DF4, DF4A, DF4B Class
- ET7 Class 0-8-0T
- DFH3 Class
- RM Class 4-6-2
- C2 Class NG 0-8-0
- XK13 Class 0-6-0T
- DF7, DF7B/C/D/F Class
- JF Class 2-8-2
- GKD1, GKD1A Class
- QJ Class 2-10-2
- KD6 Class 2-8-0
- SL6 Class 4-6-2
- GJ Class 0-6-0T
- JS Class 2-8-2
- SY Class 2-8-2
- YJ Class 2-6-2