PROBLEM TO BE SOLVED: To solve the following problem: a height detector of a conventional reaping apparatus causes lodged grain culm to be left in an unreaped state, because the crawling grain culm is lodged after the grain culm crawls in below the detector.SOLUTION: A reaping height detector 24 has a case 26 of a reaping height sensor unit 25 attached in a vertically movable manner to a rear-side plate part 35 of a bracket 30 provided in a grass-dividing device 7. In a combine, a grass-dividing guide plate 37 formed like a triangle extending backward in a plan view is provided in a part ahead of the reaping height sensor unit 25 of a grass-dividing frame 22 of the grass-dividing device 7.
