This genuine KUHN 5644540250 Gear Z-42 is an essential component for various KUHN GMD series disc mowers. Designed with 42 teeth, this precision-engineered gear ensures optimal power transmission and reliable operation. Key technical specifications include an outer diameter of 130 mm, an inner diameter of 40 mm, and a thickness of 20 mm, with a total weight of 0.700 kg. It is specifically compatible with a wide range of KUHN GMD models, including GMD 44, GMD 55, GMD 66, GMD 77, GMD 88, and many others up to GMD 90002, providing a direct OEM replacement for maintaining machinery performance.