The New Holland 84607966 Counter Knife is a genuine OEM replacement part designed for specific New Holland forage harvester models. This essential component works in conjunction with the main knives to provide a clean and efficient cut, crucial for forage quality. Manufactured to New Holland's specifications, it ensures proper fit, durability, and reliable performance in demanding agricultural applications. Regular replacement of worn counter knives is vital for maintaining the harvester's efficiency and preventing damage to other cutting components.