All three classes are very closely related 3250hp Co-Co diesel-electrics, often lumped together as DF4s It would not be an exaggeration to say that the DF4 dieselised China. Well over 4000 were built from 1969 to the mid 1990s. DF4s are becoming rare in main line service but some continue on industrial lines.
- C2 Class NG 0-8-0
- ET7 Class 0-8-0T
- GJ Class 0-6-0T
- JF Class 2-8-2
- JS Class 2-8-2
- KD6 Class 2-8-0
- QJ Class 2-10-2
- RM Class 4-6-2
- SL6 Class 4-6-2
- SY Class 2-8-2
- XK13 Class 0-6-0T
- YJ Class 2-6-2
- BJ Class
- DF4C Class
- DF4D, DF4DD Class
- DF5, DF5B, DF5D Class
- DF7, DF7B/C/D/F Class
- DF7G Class
- DF8 Class
- DF8B Class
- DF11 Class
- DFH3 Class
- GKD1, GKD1A Class
- HXD3B/3C/3D Class
- SS3, SS3B Class
- SS4, SS4G Class
- SS9, SS9G Class
- 37E Class
- ED85 Class
- EL1 & EL2 Class
- ZG100 & ZG150 Class
- Narrow Gauge Electrics
- NYJ1, NZJ1, NZJ2 Class