The results of design analyses concerning the selection of reduction ratio values are presented. The braking effectiveness and performance of a freight wagon with the separate braking of the bogies meet the normative requirements at these reduction ratio values.

The results of analysis of operation conditions and causes for damaging of subway carriage underframes are presented, the assessment of results obtained is given, and the conclusions on reliability of separate underframe elements are made.

A prospective prototype for locomotive-hauled passenger railcars has been developed for mainline services on the rail network ofUkraine. This is the document systematizing creation of domestically produced fleet of passenger cars as the totality of objects with a certain set of technical parameters and comfort criteria.