The KUHN Z4401860 Chain Wheel is a genuine OEM replacement part designed for various KUHN GMD series disc mowers. This essential component features 15 teeth, an outer diameter of 73mm, a bore diameter of 30mm, and a width of 20mm, ensuring precise power transmission within the mower's drive system. Weighing 0.3 kg, it is built to original specifications for durability and optimal performance in demanding agricultural applications.