This is a genuine Claas 0021552491 sensor, designed for optimal performance in various Claas agricultural machines. It is compatible with AXION 800, AXION 810, AXION 820, AXION 830, AXION 840, AXION 850, AXION 870, AXION 910, AXION 920, AXION 930, AXION 940, AXION 950, AXION 960 tractors, ARION 500, ARION 510, ARION 520, ARION 530, ARION 540, ARION 550, ARION 600, ARION 610, ARION 620, ARION 630, ARION 640, ARION 650, ARION 660 tractors, JAGUAR 900, JAGUAR 930, JAGUAR 940, JAGUAR 950, JAGUAR 960, JAGUAR 970, JAGUAR 980 forage harvesters, LEXION 700, LEXION 740, LEXION 750, LEXION 760, LEXION 770, LEXION 780 combines, and TUCANO 300, TUCANO 320, TUCANO 330, TUCANO 340, TUCANO 420, TUCANO 430, TUCANO 440, TUCANO 450, TUCANO 460, TUCANO 470, TUCANO 480, TUCANO 500 combines.