Summary:This hopper car utilized for new-and-old line ballasting service and other bulk goods transportation is suitable for operating on China standard gauge railway. It is mainly comprised of car body, bottom door, top and bottom drive mechanisms, air control pipeline device, bogie, brake equipment, coupler and draft gear, etc. Unloading outlets installed on the both sides and center of the car bottom can be operated by pneumatic control or manual control. The car body and bottom door are of all steel welded structure, and the car adopts ZK5 bogie or ZK6 bogie, air brake system with120 type control valve, NSW type hand brake, 17 type coupler and MT-2 type draft gear.
Main technical parameters：
| Loading capacity（t） |
70 |
| Tare weight（t） |
≤23.8 |
| Volume（m3） |
42 |
| Quantity of unloading outlet: Two are on the both sides, and two are on the center |
|
| Operating speed (km/h) |
120 |
| Min. radius of curvature negotiable (m) |
145 |
