Soviet BT7 I believe. Very high speed and originally a close copy of one of the two(?) American Christie tanks bought by the Soviets in the early 1930s. Christie designed them to run without tracks as well as with. Naturally Christie got short shrift in his own country; didn't know anyone at the War Department?
Inspired the British Cruiser tanks of course.
Christie was also the inventor of front wheel drive for cars, though I suppose Cugnot's steam truck of 1769 is the true pioneer.
https://www.youtube.com/results?sear...=Christie+tank