The New Holland 47979973 Lower Knife Middle Right is a genuine OEM replacement part designed for optimal cutting performance in New Holland FR Series Forage Harvesters. This essential component ensures efficient operation and precise material processing. With confirmed dimensions of approximately 254 mm length, 101.6 mm width, and 25.4 mm height, and a weight of 0.45 kg, it provides a direct fit and reliable function for various FR models including FR450, FR480, FR500, FR550, FR600, FR650, FR700, FR780, FR850, FR9040, FR9050, FR9060, FR9080, and FR9090.