Relevant information can be found on Wikipedia. However, only Chinese version is available so I would like to have a brief introduction.
It was exclusively designed during 90s for running in Guangzhou-Shenzhen Line (also the through trains between Guangzhou and Hong Kong). It is the most commonly seen Chinese passenger carriage in Hong Kong. It can speed at 160 km/h, and usually powered by DF11. There are the meanings of different type abbreviations:
- “RZ” – Soft Seat.
- “RZ1” – Higher Class Soft Seat
- “CA” – Dinning Car
- “XL” – Luggage Car
- “KD” – Generator Car (Electricity of the train is supplied by this car but not the locomotive)