Hydraulic impact / Junttan / HHK5/7S
HHK5/7S
Junttan HHKS. Hydraulic impact hammer.
| Specification | Imperial | Metric |
|---|---|---|
| Ram weight | 15,432 lb | 7,000 kg |
| Rated energy (maximum) | 75,969 ft-lb | 103 kJ |
| Maximum stroke | 4.92 ft | 1.5 m |
| Blows per minute | 30-100 | |
| Hammer weight | 22,928 lb | 10,400 kg |
| Hammer length | 26.4 ft | 8.06 m |
Imperial values converted from Junttan's metric figures.
Source: Junttan website, HHKS series (junttan.com), Oct 2026. Confirm specifications with the manufacturer.