Main structure: the car consists of car body, braking system, coupler and buffer, bogie and so on. The car body, consists of under frame, side wall, end wall, car door and other components, is full of steel weld structure. The bogie is K2 type. The air braking system is type 120 control valve with 254mm-diameter integral spinning sealed type brake cylinder and ST2-250 bidirectional brake shoe clearance adjuster. Manpower braking equipment is NSW hand brake. The coupler and buffer is number 13 top operation coupler in C-level steel material and MT-3 buffer. Main use: this wagon is used to load and transport coals,ores,cokes, building materials, mechanical equipment, woods and containers and bulk or case cargo.