These are the fastest hydraulic hammers on the market, with 30-percent fewer parts than either competitive or previous models, for simplified maintenance. Redesigned to provide two to three times more blows per minute (BPM) than previous models, for increased efficiency. Exclusive tool retention enables quick installation and removal using only one small screwdriver. Like all John Deere attachments, these hydraulic hammers are optimized to work with Deere skid steers, compact track loaders, and compact excavators. They’re also compatible with most competitive models.