The KUHN 53509900 Support Disc is an original equipment manufacturer (OEM) part designed for KUHN HR series power harrows. This critical component ensures proper function and stability of the disc assembly, maintaining efficient soil cultivation. Manufactured to KUHN's rigorous standards, it offers precise fitment and long-lasting reliability for models including HR 3004 D, HR 4004 D, HR 4504 D, HR 6004 D, HR 3004 DR, HR 4004 DR, HR 4504 DR, HR 6004 DR, HR 3004 R, HR 4004 R, HR 4504 R, and HR 6004 R. It has a confirmed weight of 0.12 kg.