The farm equipment of this creation or the engine oil of agricultural transporting cart replace warning,Include: an instrument,One indicator lamp signal,One warning arithmetic and control unit,One engine ignition controller,One mileage counter,One wheel Shaft angle perceptron,By taking turns Shaft angle perceptron or mileage counter or engine ignition controller and controller,Come realize vehicle or equipment engine oil Use Limitation,Warning arithmetic and control unit reception comes from,The signal and relevant parameter of engine ignition controller or mileage counter or wheel Shaft angle perceptron are integrated operation,Reaching the alarm function reminds user to overhaul or replace engine oil and related parts,User can be zeroed by the resetting reset key in the exposed what instrument,Controller is set to recalculate the period.本創作之農用設備或農用搬運車之引擎機油更換警示,包括有:一儀表、一指示燈號、一警示運算控制器、一引擎點火控制器、一里程計數器、一輪軸轉角感知器,藉由輪軸轉角感知器或里程計數器或引擎點火控制器及控制器,來實現車輛或設備之引擎機油的使用時效,該警示運算控制器接收來自,引擎點火控制器或里程計數器或輪軸轉角感知器之訊號及相關參數加以整合運算,使該警示功能達到提醒使用人對引擎機油及相關機件進行檢修或更換,使用者可藉由外露於該儀表上之重置複歸鍵進行歸零,使控制器重新計算週期。