Summary: This car is utilized for grossly oversized and very heavy goods transportation such as machinery-building, metallurgical and chemical industries, generator stator and transformer, etc., which is suitable for operating on China standard gauge railway. It is mainly comprised of one depressed underframe, two sets of middle underframes, four sets of small underframes, eight bogies, guiding device, hydraulic device, brake equipment, coupler and draft gear, etc. The depressed underframe is fabricated from one load-bearing beam, two side arms and center plate beams. The structure of side arms shall be in such manner that upper bent angle shall be of arc transition, and lower bent angle shall be of angle transition. And the car adopts three-axle (class E) welding frame type bogie, air brake system with 120 type control valve, chain type hand brake, 17 type coupler and MT-2 type draft gear.
Main technical parameters:
| Loading capacity（t） |
320 |
| Tare weight（t） |
240 |
| Height of load-bearing plane from rail top (mm) Empty car Loaded car |
1225 950 |
| Number of axle |
24 |
| Max. operating speed (km/h) Empty car Loaded car |
120 50 |
| Min. radius of curvature negotiable (m) |
145 |
| Height of centre of gravity in empty car (mm) |
1430 |
