PROBLEM TO BE SOLVED: To provide a pulling out harvester of ginger, constituted so as to switch traveling wheels freely and less likely to disturb its attitude, even if it has unevenness in the field.SOLUTION: This agricultural crop harvester is provided, by installing a pull-out and conveying device 66 for pulling out crops G planted in a field, a cutting device 79 for cutting the stems and leaves of the crops G, and a transmission mechanism 17 mounting a traveling device 28 and also transmitting driving power to the traveling device 28 for supporting the base part of the transmitting mechanism 17 freely turnably and installing the traveling device 28 which is vertically freely movable is constituted, by installing a supporting member 29 at the rear part of the transmitting mechanism 17 to be freely turnable mounting a supplemental wheel 32 at the supporting member 29 installing a linking member 30 for vertically moving the supplemental wheel 32 jointly with the vertical movement of the traveling device 28 between the support member 29 and the lower part of a machine frame 8 of a machine body and also arranging the beginning end part of the pull-out and conveying device 66 above the front part of the traveling device 28.COPYRIGHT: (C)2009,JPO&INPIT【課題】走行輪を自在に切り替えられるように構成し、圃場に凹凸があっても作業姿勢が乱れにくい生姜の引抜収穫機を提供する。【解決手段】圃場に植生する作物Gを引き抜き収穫するための引抜搬送装置66と、作物Gの茎葉Kを切断する切断装置79と、走行装置28を装着すると共に走行装置28に駆動力を伝動する伝動機構17とを設け、該伝動機構17の基部を機体に回動自在に支持して走行装置28を上下動自在に設けた農作物収穫機において、伝動機構17の後部に支持部材29を回動自在に設け、支持部材29に補助車輪32を装着し、走行装置28の上下動に連動して補助車輪32を上下動させる連結部材30を支持部材29と機体の機枠8の下部との間に設けると共に、走行装置28の前部の上方に引抜搬送装置66の引抜搬送始端部を配置した構成とする。【選択図】 図1
