Show largest rock crusher in operation the largest rock crusher in the world was recently thrown into opera alon in a cement mill at south pitts burg tenn and it crushes all the rock used by a 4 barrel plant the machine has an hourly capacity ot tons and 60 per cent of the product Is in pieces tour inches or less and 30 per cent in pieces two inches or less the crusher Is 19 feet in height and weighs pounds the hopper Is 20 feet in diameter the operation of this machine alon requires 29 horse power |