Summary: This car specially utilized for coal transportation services for Datong-Qinhuangdao railway, three cars as a pair connected by drawbar. It is mainly comprised of car body, bogie, brake equipments, coupler and draft gear, etc. The car body is of stainless steel welded structure. The car adopts ZK5 or ZK6 bogie, air brake system equipped with 120 type control valve, NSW type hand brake, and one end of car pair equipped with 17 type coupler, other end equipped with 16 type coupler and MT-2 type draft gear.
Main technical parameters：
| Loading capacity (t) |
80 |
| Tare weight (t) |
≤20.5 |
| Volume（m3） |
84.8 |
| Operating speed (km/h) |
100 |
| Min. radius of curvature negotiable (m) |
145 |
