PROBLEM TO BE SOLVED: To provide an agricultural machine capable of suppressing fuel consumption in a travelling machine body, reducing an exhaust gas amount, transmitting power to a working part in an excellent manner, and reducing energy consumed in the working part.SOLUTION: An agricultural machine 1 equipped with a travelling machine body 2 including an engine 5 and a control part C, and a working part 3 connected to the travelling machine body 2 includes: a power transmission mechanism for transmitting power of the engine 5 to the working part 3 a detection device 83 for detecting a value of power transmitted to the power transmission mechanism and a power regeneration device 80 connected to the power transmission mechanism that has both a regeneration function for the power transmitted to the power transmission mechanism and a drive function. The control part C actuates the power regeneration device 80 based on a value of the detection by the detection device 83.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2017,JPO&INPIT【課題】走行機体における燃料の消費量を抑えるとともに排出ガス量の低減ができ、作業部への動力の伝達が良好であり、作業部で消費されるエネルギーの低減が図れる農作業機を提供する。【解決手段】エンジン5と制御部Cとを有する走行機体2と、走行機体2に連結される作業部3と、を備える農作業機1において、エンジン5の動力を作業部3へ伝達する動力伝達機構と、動力伝達機構に伝達される動力値を検出する検出装置83と、動力伝達機構に連結され、動力伝達機構に伝達される動力に対する回生機能と駆動機能とを併せ持つ動力回生装置80と、を備え、制御部Cは、検出装置83の検出値に基づいて、動力回生装置80を作動させる。【選択図】図6