Hydraulic impact / Junttan / HHK5/7/9S
HHK5/7/9S
Junttan HHKS. Hydraulic impact hammer.
| Specification | Imperial | Metric |
|---|---|---|
| Ram weight | 19,842 lb | 9,000 kg |
| Rated energy (maximum) | 97,358 ft-lb | 132 kJ |
| Maximum stroke | 4.92 ft | 1.5 m |
| Blows per minute | 30-100 | |
| Hammer weight | 28,440 lb | 12,900 kg |
| Hammer length | 28.9 ft | 8.8 m |
Imperial values converted from Junttan's metric figures.
Source: Junttan website, HHKS series (junttan.com), Oct 2026. Confirm specifications with the manufacturer.