Tipping wagon, model 31-1155 is suitable for transportation, mechanical loading and loading of granular and lump mouse of packed density in expanded condition 1,7-2,0 t/m3 on main lines.
Main technical features
| Loading capacity, t, not more 
 | 68 | 
| Empty weight, t, not more  | 26 | 
| Body space, m3  | 36 | 
| Maxi wheel set proof static load on the rails, k(H), tc | 230,0 (23,5) | 
| Angle of car body pitch, (degrees), not less | 45 | 
| Angle of board break, degrees | 9... 11 | 
| Design speed km/h |   | 
| - main lines in empty position         | 120 | 
| - rails of industrial enterprises | 70 | 
| Minimum curve radius of single wagon passing | 80 | 
| GOST 9238-83 overall dimensions | 1-Т | 
| Wagon length according to auto couplers axles, mm | 12020 | 
| Car body maximum width, mm | 3185 | 
| Wagon height from rails head,mm | 3080 | 
| Wagon base, mm | 7800 |