PROBLEM TO BE SOLVED: To provide a combine that is facilitated so as to avoid dust adhesion and breakage of an internal quality measurement device installed in a grain tank by a simple structure.SOLUTION: A measurement chamber 70 is provided on an inside from a side wall 10F of the grain tank 10 of the combine while being partitioned from a grain storage space 10b of the grain tank 10 to arrange the internal quality measurement device 40 in the measurement chamber 70 to protect the internal measurement device 40 and to provide the grain tank 10 with covering function to prevent dust adhesion with respect to the internal quality measurement device 40.COPYRIGHT: (C)2016,JPO&INPIT【課題】穀粒タンクに装備した内部品質計測装置の塵埃付着や破損などを構造簡単に回避し易いコンバインを提供する。【解決手段】コンバインの穀粒タンク10の側壁10Fよりも内側に、穀粒タンク10の穀粒貯留空間10bと仕切られた状態の計測室70を設けて、内部品質計測装置40を計測室70に配備し内部計測装置40を保護し、かつ内部品質計測装置40に対する塵埃付着を防止するカバー機能を穀粒タンク10に備える。【選択図】図8