| Parameter | ___Unit___ | 6 25/34 | 6 25/34-10 | 8 25/34 | 8Ϡ25/34 | |
|---|---|---|---|---|---|---|
| Cylinder q-ty | pc | 6 | 6 | 8 | 8 | |
| Cylinder diameter | mm | 250 | 250 | 250 | 250 | |
| Piston stong | mm | 340 | 340 | 340 | 340 | |
| Rated cranshaft rotation speed | r/min | 500 | 500 | 500 | 500 | |
| Output rotation speed | r/min | - | - | - | 300 | |
| Rated power output | kW hp | 345 470 | 534 727 | 533 785 | 560 762 | |
| Specific fuel consumption at rated power output | g/kW h g/kW hp h | 211+11 155+8 | 211+5% 155+5% | 211+11 155+8 | 222+11 163+8 | |
| Specific consumption of circulating oil | g/kW h g/kW hp | 1.60 1.18 | 1.8 1.32 | 1.4 1.05 | 1.5 1.1 | |
| Mean effective pressure | Mpa kgf/cm2 | 0.847 8.47 | 1.3 13 | 0.984 9.84 | 1.08 10.8 | |
| Maximum combustion pressure | Mpa kgf/cm2 | 7.5 75 | 10 100 | 8.51 85 | 9 90 | |
| Service life of oil in speed reducer | h | 3000 | 1500 | 3000 | 3000 | |
| Dry mass | kg | 10340 | 10600 | 11380 | 14180 |