The Komatsu BR580JG-1 mobile jaw crusher features a vibrating grizzly feeder and an all-hydraulic drive system. The unit is designed for highway construction, quarry, and demolition and excavation applications. The BR580JG-1, with a net horsepower of 345, has an operating weight of 108,000 to 112,440 pounds and is powered by a Komatsu 125E-5 engine. The vibrating grizzly feeder moves the material elliptically to separate and feed it evenly into the jaw, which features a load-presetting semiautomatic feeder system.