| Type | Unit | XD121 |
| Operating weight (including cab) | kg | 12300 |
| load on front drum | kg | 6210 |
| Load on rear wheels | kg | 6090 |
| Static linear load | N/cm | 286/280 |
| Speed | km/h | 0—10 |
| Gradeability in theory | % | 30 |
| Minimum turning radius | mm | 3870/6000 |
| Crab-walking distance | mm | 200 |
| Minimum ground clearance | mm | 420 |
| Wheel base | mm | 4000 |
| Steering angle | ± ° | 46 |
| Swing angle | ±° | 12 |
| Vibration frequency | Hz | 30—45 |
| Nominal amplitude | mm | 0.41/0.8 |
| Centrifugal force | kN | 70/140 |
| Model and manufacturer | CUMMINS 4B3.9 | |
| Rated rotating speed | r/min | 2200 |
| Rated power | kW | 93 |
| Rated oil wear | g.kw/h | 229 |
| Water tank capacity | L | 2×500 |
| Fuel tank capacity | L | 220 |
