To provide a combine capable of effectively performing preliminary detection and preliminary detection of clogging of cereal conveyance at a receiving portion of a conveying mechanism adjacent to the grain straw conveying direction.A combine according to the present invention includes an upstream side detection sensor that detects a movement amount of a pinching body in a first pinching mechanism among a plurality of reaping clamping mechanisms and a feed chain clamping mechanism, And a downstream side detection sensor for detecting the movement amount of the pinching bodies in the second pinching mechanism positioned on the downstream side of the pinching mechanism in the grain straw transporting direction, wherein the control device controls the upstream side detection sensor and the downstream side detection And is configured to recognize the grain conveyance state based on the detection value of the sensor.(FIG.【課題】穀稈搬送方向に隣接する搬送機構の受継部分での穀稈搬送詰まりの早期検出及び事前検出を有効に行えるコンバインを提供する。【解決手段】本発明に係るコンバインは、複数の刈取挟扼機構及びフィードチェーン挟扼機構のうちの第1挟扼機構における挟扼体の移動量を検出する上流側検出センサと、前記第1挟扼機構より穀稈搬送方向下流側に位置する第2挟扼機構における挟扼体の移動量を検出する下流側検出センサとを備え、制御装置は、前記上流側検出センサ及び前記下流側検出センサの検出値に基づき穀稈搬送状態を認識するように構成されている。【選択図】図5