Road Construction Equipment: Smooth Drum Vibratory Roller Hypac
| Model | Vibrations frequency 1 | Vibrations frequency 2 |
|---|---|---|
| C855D | 30 Hz | 36 Hz |
| C850D | 30 Hz | 36 Hz |
| C840D | 30 Hz | 36 Hz |
| C835D | 30 Hz | 40 Hz |
| C830D | 30 Hz | 40 Hz |
| C825C | 34 Hz | 34 Hz |
| C820C | 34 Hz | 34 Hz |
| C815D | 41 Hz | |
| C784 | 57 Hz | 67 Hz |
| C778D | 67 Hz | 57 Hz |
| C766D | 67 Hz | 57 Hz |
| C754B | 54 Hz | 60 Hz |
| C747C | 55 Hz | 70 Hz |