The TR-85 is a main battle tank designed for the armed forces of Romania. Based on the TR-77-580 (Romanian-built version of the Soviet T-55 tank), the TR-85 .br Old But Powerful Romanian military T 85 main Battle Tank The TR-85 is a main battle tank designed for the armed forces of Romania. Based on the TR-77-580 .br br Romanian Army TR-85M1 Bizonul MBT showcased during the December 1st 2010 National Day military parade in Bucharest. The TR-85 is a Romanian main .