On October 26, 2016, two TK-E-140 railway transporters and three TK-U-141 railway transporters were successfully tested and accepted at AO UK BMZ. The railway transporters are designed to transport TUK-140 and TUK-141O shipping packages containing spent nuclear fuel of VVER-440 and VVER-1000 reactors by rail.
Under the contract with AO FCNRS for manufacture and delivery of railway transporters, the Sosny R&D Company coordinated the elaboration of the Statement of Work and Detailed Design, manufacture activities at Bryansk Machine-Building Plant and in-process, acceptance and certification tests.