1. A transmission (7) for driving a mower unit of a harvesting machine, comprising a main shaft (20), which is placed in the transmission housing (17), and on which, from the power take-off side, a connecting rod journal (8) driven by a planetary gear is put on, moreover the connecting rod neck (8) is made with the possibility of at least indirect connection with a mowing knife, making oscillating movements, characterized in that to the tip of the main shaft (20), remote from the connecting rod neck (8), namely, located on the drive side, at oedinena inertia mass (29) .2. Transmission according to claim 1, characterized in that the inertial mass (29) is made essentially in the form of a pot. Transmission according to claim 2, characterized in that the header (1) of the harvesting machine comprises a tray (3) and a cutting plate (2) adapted to move relative to said tray, which contains a mower knife and a transmission (7), moreover, on the tray (3) the header contains a transmission group (15), the power take-off shaft (15a) of which is connected via a telescopic articulated shaft (16) to the inertial mass (29) in the form of a pot, and at the end of the articulated shaft (16) from the power take-off side hinge (32) located essentially inside When the inertial mass (29) on its osi.4. Transmission according to claim 3, characterized in that for the articulated shaft (16) a travel path is provided that is necessary to move the plate (2) for cutting to its final positions. 5. Transmission according to claim 3, characterized in that the power take-off shaft (15a) is connected to the inertial mass (29) using torsional-elastic elements.1. Трансмиссия (7) для привода косилочного агрегата уборочной машины, содержащая главный вал (20), который помещен в корпус (17) трансмиссии, и на который со стороны отбора мощности эксцентрически надета шатунная шейка (8), приводимая посредством планетарной передачи, причем шатунная шейка (8) выполнена с возможностью, по меньшей мере, опоср
