The New Holland 81844542 Hub is a genuine OEM replacement part designed for various New Holland tractor models. This essential component ensures proper wheel and axle function, maintaining the integrity and performance of the machinery. It is compatible with a wide range of New Holland T8000, TG, TV, and T9 series tractors, including models such as T8010, T8020, T8030, T8040, T8050, TG210, TG230, TG255, TG285, TV140, TV145, TV6070, T9010, T9020, T9030, T9040, T9050, T9060, T9.390, T9.450, T9.505, T9.560, T9.615, T9.670, T9.435, T9.480, T9.530, T9.580, and T9.645.