The John Deere H201729 Halter is an original equipment manufacturer (OEM) part designed for a wide range of John Deere agricultural machinery. This halter ensures proper fit and reliable performance across various models, including combines (9400, 9410, 9450, 9500, 9500SH, 9510, 9510SH, 9550, 9550SH, 9560, 9560STS, 9560SH, 9570STS, 9600, 9610, 9650, 9650CTS, 9650STS, 9660, 9660CTS, 9660STS, 9670STS, 9750STS, 9760STS, 9770STS, 9860STS, 9870STS, S550, S650, S660, S670, S670HM, S680, S680HM, S690, S690HM, S760, S770, S780, S785, S790), cotton pickers (9960, 9965, 9970, 9976), forage harvesters (7300, 7400, 7500, 7700, 7800, 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8800), and windrowers (4890, 4895, 4990, 4995).