Farm machinery sharing cooperatives have become established in France's agricultural landscape. At the same time, farms have taken different paths leading to a clear diversity of models within collective organizations. This article aims to assess the ramifications of this coexistence of agricultural models on livestock farmers' work. Starting from the viewpoint of farmers engaged in agroecological transition (AET), we examine the new confrontations taking place over equipment and ideas. Work is essential to consider because each time practices are adapted to actual conditions and needs, the collective benefits. However, two problematic situations are emerging: one involves competition between farm models that have engaged in AET, the other concerns some that, having adopted AET, feel driven to withdraw from the collective approach because work has become unbearable.