Breaker: Skid-Steer Attachment Designed to be more powerful with less weight, these breaker models range in weight from 430 lb to 1,100 lb, according to the maker. The smallest breaker has a tool energy rating of 70.1 foot pounds/blow and the largest breaker offers a tool energy rating of 468.6 ft lb/blow (AEM/CIMA standard rating). The models also feature an air check valve system that allows the unit to be submerged in water while working. Loegering; 800/373-5441; www.loegering.com dummy text. The pages of 13the book comprise.