Pile breaker is a new concept in foundation, it a hydraulic attachment in excavators or crane to break precast and bored piles as large as up to 2.2m round piles as well as length over 600mm square piles. Features of pile breakers At present in the market for pile breakers, they lake of force, will be very easily failed in breaking the pile, while for EK brand of pile breaker, we studied the pile breaker thoroughly, change the structure of cylinder, makes it the cylinder thrust force increased rapidly