PURPOSE: To solve problems of safety for workers in charging grain culms reaped by hands into a platform of reaping pretreatment device.

CONSTITUTION: In the objective whole culms charging type combine installing a platform equipped with a scraping-up device 4 for transversely feeding and scraping-up reaped grain culms, a reaping device 5 and a scraping-up reel 6 in the front part of travelling car body equipped with a thresher 1, an operating device 9 for disconnecting a clutch device 8 provided in a transmission gear 7 of the scraping-up reel 6 and the reaping device 5 and the scraping-up reel 6 is provided and the operating device 9 is provided in the outside of the platform 23.