The John Deere H211804 is a genuine OEM spring specifically designed for the folding unloading auger mechanism in various John Deere agricultural machines. This robust spring ensures proper tension and reliable operation of the auger system, which is critical for efficient harvesting. It is compatible with a wide range of John Deere combine models, including the S-Series (S650, S660, S670, S680, S690, S760, S770, S780, S790) and 9000-Series (9400, 9410, 9450, 9470STS, 9500, 9510, 9550, 9570STS, 9600, 9610, 9650, 9650STS, 9670STS, 9750, 9750STS, 9770STS, 9860, 9860STS, 9870STS), as well as specific cotton picker models (9960, 9965, 9970, 9976, 9986, 9996). With a weight of approximately 0.118 kg, a length of 95 mm, and an outer diameter of 32 mm, this spring is a vital component for maintaining optimal machinery functionality and performance.