An agricultural baling machine including: a frame; a connection point for attaching to a towing vehicle; a plunger in a bale-forming chamber; a driveline for taking power from the towing vehicle and causing reciprocal rectilinear motion of the plunger in the bale-forming chamber, wherein the driveline includes a transmission; and a drawbar assembly that provides a mechanical link between the connection point and the frame. The drawbar assembly includes a transmission mounting member that provides a mechanical connection between the transmission and the frame.