| DD-28HF Terra Firma | 2006 specifications |
| Engine | Kubota V2203M |
| Engine power, kW (hp) | 32,8 (44) |
| Static axle load front / rear, kg | 1 419 / 1 682 |
| Drum width front / rear, mm | 1 250 / 1 250 |
| Drum diameter front / rear, mm | 700 / 700 |
| Vibration frequency, Hz | 70 |
| Centrifugal force, kN | 36 |
| Amplitude, mm | 0,38 |
| Operating weight, t | 3,10 |