FIELD: machine building. ^ SUBSTANCE: speed reducer refers to motor and tractor building. The speed reducer consists of planetary transmission with a driving shaft made as a whole with a sun gear of the planetary transmission blocked with a crown gear clutch. A ring with oil reflecting partition is mounted on a neck of the driving shaft. Additional axial openings ensuring continuous supply of lubricant to bearings of the driving shaft are made in axles of satellites. ^ EFFECT: increased service life of facility. ^ 1 dwg
