A hydraulic breaker is a powerful percussion hammer fitted to an excavator for demolishing concrete structures or rocks. It is powered by a hydraulic feed from the excavator, which is fitted with a foot-operated valve for this purpose.
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Norco Equipment, Columbia, S.C., has introduced its first grinder, the Dynamic 5240 horizontal model. Powered by a fuel-efficient Volvo Tier III 425-horsepower engine, the Dynamic 5240 grinder will produce up to 200 cubic yards per hour from infeed materials of up to 18 inches in diameter, according to Norco Equipment. The grinder operates with a 52-inch wide hammermill and can convert from swing to fixed hammers in as little as 45 minutes, the company says.
The MB 750, Atlas Copco’s newest addition to its line of medium-duty hydraulic breakers, brings power, dependability and flexibility to the job site. With high efficiency and output-to-weight ratio, the MB 750 also features a new double retainer bar system and DustProtector II to maximize the service life of the tool.
Three new heavy breakers featured on the Atlas Copco stand in Munich, with all three featuring the company's PowerAdapt system and claimed to offer an optimised power-to-weight ratio.
As reported in the last issue of D&Ri, at Bauma Sandvik has announced the introduction of two new medium class breakers in the shape of the 2,350 kg (5,170 lb) BR3288 and 3,380 kg (7,436 lb) BR4099.
Hydraulic Breakers
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