The DF7G is a Co-Co diesel electric designed for heavy shunting and trip work and uses a 12-cylinder version of the engine used in the DF4 series, making it considerably more powerful than the similar looking DF5. Locos are in service with the national railways and various industrial users.
- 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
- 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
- SS9, SS9G Class
- 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