Use the Allied BR522 Skid-Loader Attachment with any of our skid loaders (except the Vermeer Stand-On) and get your concrete breaking job done quickly. The proven design has an optimum combination of weight, power and performance. It has maximum power with every blow and without down pressure allows operation in any position. Also known as jack hammer or concrete breaker or hydro hammer or braker or skid loader jackhammer or concrete chipper.