The KUHN VJX0181 Tracer arm SR is an authentic OEM component specifically designed for various KUHN GMD series disc mowers. This essential part plays a critical role in enabling the mower to accurately follow ground contours, which is vital for maintaining consistent cutting height and protecting the cutting unit from damage. Replacing a worn or damaged tracer arm with this genuine KUHN part ensures the continued operational efficiency, reliability, and longevity of your agricultural machinery.