The KUHN Z4011120 is a genuine OEM tension spring, specifically designed for KUHN agricultural machinery. Identified by its 4x25x253 FE designation, this spring features a 4mm wire diameter, 25mm outer diameter, and 253mm overall length. It is a critical component for maintaining the functionality of various KUHN power harrows, including models from the HR 1020 and HR 1030 series, as well as CULTIMER L series cultivators. This high-quality spring ensures reliable operation and proper tensioning in demanding farm applications.