Weight: 5.05 tons
Width: 1.8 m
Heigth: 2.14 m
This first all Russian tank was developed in 1925. The project was recognized in September 1926.
The special engine was developed by a A Mikulin, transmission - V Zaslavskij, the sus-pension was projected by a team under I Magdesiev. A group of units were constructed and passed the tests in March 1927, but they were not accepted for service (serial production). They were transferred to the Leningrad District as vehicles for educational purposes.