- Highest weight in its operating class & Impact energy of 10857J makes it the
 - only choice for Primary breaking at quaries for 30T class excavators.
 - 35% extra larger retaining pins & larger through bolt diameter for low operating cost.
 - Robust Box type casing with Hardox plate at bottom for enhancement of casing life.
 - Stroke adjuster for variable speed to suit different application & rock hardness.
 - Compact Auto greaser supplied as standard for proper & efficient greasing automatically.
 - Uniform piston design at top & bottom to transfer full to the tool to break the hardest rock at the site.
 
Suitable for: JCB305LC, JCB370LC, JCB380LC Xtra, JCB380LC QM6
- Quarry - Secondary Breaking buckets to breaker
 - Pipe & cable laying - Trenching
 - Road & realty sector - Demolition