Fodder rape is a good quality feed crop, and it can effectively alleviate the problem of lack of green feed for livestock in winter and spring. Because of high water content and crispy texture of fodder rape, there is a lack of applicable harvesting machinery in Mid-lower Yangtze River in China. Cylinder-type cutterhead and articulated-type cutterhead for a fresh fodder rape harvester were designed to solve the problems. The working processes were analyzed and an innovative mechanical system was designed. The effects of the two kinds of cutterh...