Doosan Infracore Construction Equipment has added two new models to the company's range of hydraulic breakers for use on Doosan wheeled and crawler excavators from 14 to 38 tonne. The new DXB130H and DXB190H hydraulic breakers offer superior power-to-weight ratios to provide very efficient reduction of rock, boulders, concrete and other demolition waste, as well as excellent excavation work. The DXB130H breaker has an operating weight of 1,090 kg and a blow energy of 2,700 J. The DXB190H breaker has an operating weight of 1,815 kg and a blow energy of 4,000 J.