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Rock grab with the maintenance free HPXdrive for compact excavators up to 5t / 11000 lbs and 8t / 17600 lbs operating weight to position natural rocks, curb stones etc.
– HPXdrive – the revolutionary concept for hydraulically operated grabs! The rotation of the arms of the grab is generated by two hollow shafts, which run opposed and have a helix thread, hydraulically driven by a single piston. No hydraulic cylinder required!
– 50% longer life cycle. The drive unit runs in a permanent oil bath – no lubrication necessary. Resistant against dirt and blows due to the compact design.
– Constant closing forces (18 kN / 3960 lbf at an Operating pressure of 26 MPa / 3744 psi) during the entire digging process.
– Different applications possible through easy exchange system.