The KUHN 57720020 Curve Disk is a genuine OEM replacement part designed for various KUHN agricultural machinery, including GMD series mowers, FC series mower conditioners, GF series tedders, and PZ series mowers. This essential component, with an outer diameter of 400 mm, an inner diameter of 100 mm, and a thickness of 4 mm, ensures optimal performance and durability in demanding field conditions. Weighing approximately 1.50 kg, it is built to OEM specifications for precise fit and reliable operation.