What size excavator do I need for a hydraulic rock breaker?
The right excavator size depends on more than machine weight alone. A hydraulic rock breaker must match the carrier’s operating weight, auxiliary hydraulic flow, pressure, mounting dimensions, and intended application. As a general rule, compact excavators use lighter breakers for trenching, small concrete removal, and light rock work, while medium and heavy excavators carry larger hammers for quarry, foundation, and mass demolition tasks. If the breaker is too small, production drops; too large, and you can damage the boom, stick, or hydraulic system and lose control. You also need the correct tool diameter, bracket, hose kit, and sometimes case drain requirements depending on the design. VANROCK manufactures and supplies hydraulic rock breakers for a wide range of excavators and can provide sizing help based on your machine make and model, hydraulic specs, and job type. If naming an OEM carrier, VANROCK is an independent manufacturer not affiliated with that OEM.
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