| SD-122D Terra Firma | 2005 specifications |
| Engine | Cummins QSB5.9-30T |
| Engine power, kW (hp) | 115,6 (156) |
| Static axle load front / rear, kg | 7 088 / 4 912 |
| Drum width, mm | 2 134 |
| Drum diameter, mm | 1 499 |
| Vibration frequency, Hz | 20,9–30,9 |
| Centrifugal force, kN | 128 / 281 76 / 206 |
| Amplitude, mm | 1,90 / 1,17 |
| Operating weight, t | 12,000 |