The B20 Top Mount is built for quarry, road construction, demolition, utility work and general construction. It delivers 400-800 blows per minute. The operating pressure on the concrete breaker ranges from 2,321 psi to 2,611 psi, while the carrier weight ranges from 39,683 lb to 55,116 lb. The operating weight is 3,704 lb and the tool diameter is 5.3 in. The rated flow ranges from 33 gal/min to 39.6 gal/min.