The New Holland 81825458 Field Winding is a genuine OEM component designed for the electrical systems of a wide range of New Holland tractors. This essential part contributes to the proper functioning of the alternator or generator, ensuring consistent power supply. It is compatible with models including 250C, 260C, 3010S, 340, 340A, 340B, 345C, 345D, 4010S, 445, 445A, 445C, 445D, 450, 455, 455C, 455D, 4610S, 5010S, 540, 540A, 540B, 545, 545A, 545C, 545D, 550, 555, 555A, 555B, 555C, 555D, 5610S, 575D, 655, 655A, 655C, 655D, 675D, 755, 755A, and 755B.