- T-55, T-72, and T-90 are well-known designations for series of Soviet and later Russian main battle tanks. - T-155 is not a standard designation for a widely recognized main battle tank. The T-15 Armata is a Russian heavy infantry fighting vehicle, and the T-14 Armata is the new Russian main battle tank. T-155 Fırtına is a Turkish self-propelled howitzer.