Stone crushers with a max working depth of 25 cm/10'', and crushing capacity up to 50 cm/20'' of diameter for tractors between 180 and 300 HP. Read more >.
Crusher - Wikipedia
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. The earliest crushers were hand-held stones, where the weight of the stone provided a boost to muscle power, used against a stone anvil.