Hydraulic impact / Junttan / HHK7A
HHK7A
Junttan HHKA. Hydraulic impact hammer.
| Specification | Imperial | Metric |
|---|---|---|
| Ram weight | 15,432 lb | 7,000 kg |
| Rated energy (maximum) | 60,480 ft-lb | 82 kJ |
| Maximum stroke | 3.94 ft | 1.2 m |
| Blows per minute | 40-100 | |
| Hammer weight | 24,251 lb | 11,000 kg |
| Hammer length | 21.8 ft | 6.64 m |
Imperial values converted from Junttan's metric figures.
Source: Junttan website, HHKA series (junttan.com), Oct 2026. Confirm specifications with the manufacturer.