Low pressure switch - open - low pressure switch normally open. Opens 6 psi, closes 45 psi. Tractors: 4050, 4250, 4450, 4650, 4850, 8850. Combine: 7460, 9400, 9410, 9450, 9500, 9510, 9510SH, 9550, 9550SH, 9560, 9560SH, 9560STS, 9560 STS Euro, 9600, 9610, 9640, 9650, 9650CTS, 9650STS, 9660, 9660CTS, 9660STS, 9680, 9750STS, 9760, 9760STS, 9780 CTS Euro, 9780HM CTS Euro, 9860STS, 9880 STS Euro, 9986, 9996, CTS, CTS Euro, CTSII, CTSII Euro. Forage Harvester: 7200, 7300, 7400, 7500, 7700, 7750, 7800, 7850. Windrower: 4890, 4995.