A rotary cutter implement includes a carrier interface, a frame, and a mower deck including a ball joint interconnecting the mower deck with the frame. The ball joint enables freedom of movement of the mower deck with respect to the frame. A hydraulic motor is mounted on an upper surface of the mower deck and includes an output shaft extending through the mower deck. The hydraulic motor is adapted to operate under the influence of hydraulic fluid provided by the power machine. A rotary cutting blade is operably coupled to the output shaft and rotatable under the mower deck in response to operation of the hydraulic motor.
