Concrete pile breakers are fit for cutting off piles for pile foundations: such as cast-in pile, precast pile, etc… Based on the shapes of pile cutted, pile breakers can be divided into circular and square pile breakers. Pile breakers are widely used in bridges in high-speed railways, industrial and civil construction engineering projects. Generally, the circular pile breakers are fit for piles with 200mm-2200mm diameter; the square pile breakers are fit for piles with 300-650mm length of side, satisfying demands for various foundation construction.