Hydraulic impact / Junttan / HHK20S
HHK20S
Junttan HHKS. Hydraulic impact hammer.
| Specification | Imperial | Metric |
|---|---|---|
| Ram weight | 44,092 lb | 20,000 kg |
| Rated energy (maximum) | 216,843 ft-lb | 294 kJ |
| Maximum stroke | 4.92 ft | 1.5 m |
| Blows per minute | 30-100 | |
| Hammer weight | 62,391 lb | 28,300 kg |
Imperial values converted from Junttan's metric figures.
Source: Junttan website, HHKS series (junttan.com), Oct 2026. Confirm specifications with the manufacturer.