The John Deere AR51967 ARM is a genuine OEM component designed for a wide range of John Deere agricultural machinery. This essential arm ensures proper function and reliable operation across numerous models, including 4400, 6600, 7700, 8820 combines; 9900, 9910, 9920, 9930, 9940, 9950, 9960, 9965, 9970, 9976 cotton pickers; 5440, 5460, 5720, 5730, 5820, 5830 forage harvesters; 4040, 4050, 4240, 4250, 4430, 4440, 4450, 4520, 4555, 4620, 4630, 4640, 4650, 4755, 4840, 4850, 4955, 4960, 5020, 6030, 7020, 7520, 8430, 8440, 8450, 8630, 8640, 8650, 8850 tractors; and 2320, 2420 windrowers. Manufactured to John Deere's rigorous standards, this AR51967 ARM provides durability and precise fitment for critical machine systems.