Objective: Development of proposals for modernization of old-type RU1 type axles for their further use. Methods: Structural analysis method was applied. Results: Proposals on further use of old-type RU1 type axles and expanding their operating life. Practical importance: The proposed modernization would permit expanding the use of old-type RU1 axles after modernization with new face bearing retention and reducing the demand for new axles which would contribute to reduction of axle defi cit in overall repair of wheel pairs.