This wheel-caterpillar light tank was made in 1935 on the Kharkovskij Locomotiv Plant (Ukraina). It was very dynamic machine which can drive as on it's caterpillars, and on it's rubber coated wheels too. A special model for European highways. A symbol of Soviet tank's power of 1930-s.
PS: Engine of this tank has American origin. This type Liberty 12 engine specification number 95-28310.C was reconditioned in 1928 by Allison Engineering Co. under a.c. order W535 A.C.-1487 for export to USSR (info from the shield on the engine). Thank you, America!