PROBLEM TO BE SOLVED: To provide a work vehicle capable of detecting a load acting on a power train thereof.SOLUTION: A combine 1 provided herein comprises an axle 6 configured to receive power transmitted from an engine, an axle case 7 having the axle 6 inserted therethrough, a magnetostrictive material 12 attached to the axle 6, and a detection coil 13 attached to the axle case 7 and configured to detect a magnetic field generated by a magnetostrictive effect of the magnetostrictive material 12.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】駆動系に加わる負荷を検出できる、作業車両を提供する。【解決手段】コンバイン1は、エンジンからの動力が伝達される車軸6と、車軸6が挿通される車軸ケース7と、車軸6に取り付けられた磁歪材12と、車軸ケース7に取り付けられ、磁歪材12が磁歪効果によって発生する磁場を検出する検出コイル13とを備えている。【選択図】図1