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.
- 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
- 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