| Modell | Max. Grabtiefe |
|---|---|
| E70B | 4595 mm - 15.1 ft. |
| 308D CR SB | 4730 mm - 15.5 ft. |
| 308D CR | 4630 mm - 15.2 ft. |
| 308C CR | 4690 mm - 15.4 ft. |
| 307D | 4600 mm - 15.1 ft. |
| 307C SB | 4700 mm - 15.4 ft. |
| 307C | 3660 mm - 12 ft. |
| 307B SB | 4700 mm - 15.4 ft. |
| 307B | 4650 mm - 15.3 ft. |
| 305C CR | 3890 mm - 12.8 ft. |
| 304C CR | 3690 mm - 12.1 ft. |