PROBLEM TO BE SOLVED: To perform preparation work in good time when harvesting picked-up agricultural crops.SOLUTION: A traveling machine body 1 includes a pickup device 2 for picking up agricultural crops P on a surface soil in a field A and conveying them to the rear, and an endless slat conveyor 3 that is provided at a conveyance destination of the pickup device 2 and horizontally and circulatingly moves, with the agricultural crops P placed on multiple stat plates 32. The picked-up agricultural crops P are continuously circulated by the endless slat conveyor 3, unless a worker picks them up, so that, even if a large quantity of agricultural crops P are temporarily conveyed, when it is determined that the worker cannot handle such quantity, the crops are made to pass through and conveyed again to the front of the worker. This configuration allows the worker to reliably perform the preparation work in good time.
