The LEHNER 72140 TURN MANAGER 400 is an original control unit specifically designed for LEHNER agricultural spreaders. This advanced system facilitates precise, speed-dependent spreading, ensuring optimal material distribution across the field. Key functionalities include automatic headland management, an integrated area counter, and an hour meter, all contributing to enhanced operational efficiency and accuracy. It provides intuitive control over various spreader functions, making it an essential component for modern agricultural applications.