An agricultural baling machine (10； 310) comprising: a frame (17； 317)； a connection point (354) for attaching to a towing vehicle (11)； a plunger (23) in a bale-forming chamber (22)； a driveline for taking power from the towing vehicle (11) and causing reciprocal rectilinear motion of the plunger (23) in the bale-forming chamber (22), wherein the driveline comprises a transmission (38, 538)； and a drawbar assembly (314) that provides a mechanical link between the connection point (354) and the frame (317). The drawbar assembly (314) comprises: a transmission mounting member (580) that provides a mechanical connection between the transmission (538) and the frame (317).
