22-Foot Rear-Mount Boom Mower. The cutting edge of versatility with all the quality, service, and dependability you’ve come to expect from a Bush-Whacker. Five-foot brush cutter with a 22-foot boom arm. With advanced joystick controls of four axis of motion. Independent, pressure compensated hydraulic system with load sensing capabilities. A 7″ gauge deck with 3/8″ side skirts. High-strength steel tubing on primary and dipper booms.