

MONTABERT, a world leader in hydraulic breaker technology, has launched the new V4500 model, the largest in the company’s range of automatic two-speed breakers.
The new hydraulic breaker, which can be mounted on excavators from 45 to 80 tonnes, is designed for high productivity work on homogeneous rock surfaces, including civil engineering applications and secondary breaking in quarries and mines. Its standard version, which is Metro Silenced, can be equipped with a pressurisation circuit for underwater work and tunnelling.
“The V4500 offers all the technological innovations and industry-required features that have made the Montabert range of hydraulic breakers the leading products in their market,” says a spokesman for the France-based Montabert.
In common with all other Montabert breakers, the V4500 model offers superior productivity, reliability and durability, a high power-to-weight ratio, easy maintenance, a long life span and a high resale value, the spokesman says.
The weight of the breaker with top bracket and tool is 4,500 kg, and it works with a maximum input power of 117 kW, a hydraulic flow of 380 litres per minute providing a frequency of 750 blows per minute at an operating pressure of 185 bar.
The V4500 has the advantage of being able to work with high back pressures of up to 25 bar and offers true overflow protection as standard, according to the spokesman.
Meanwhile, the robust, heavy-duty housing and large retainer pins allow it to work with large tools with diameters of up to 190 mm, he adds.