Rock Breaker in West Bengal - Manufacturers and Suppliers ...- rock breaker used in on the crusher for boulder jamming ,It ensures that the crushers are fed with the appropriate size of the feed. These rock breaker systems prevent the unnecessary stopping of the crusher owing to the jamming of large boulders and lumps of coal in both underhydraulic rock breakers crusher mounted for saleA pedestal-mounted Rock Breaker System is a stationary unit, mounted over the grizzly, operated These rock breaker systems prevent the unnecessary stopping of the crusher owing to the jamming of . Hydraulic Hammer in New Delhi.