It features full suspension and a main gun! T90 Tank Size: 32.5 x 13 x 10.5 CM. 5 Later, an improved turret armor and the self-protection system CHU-1 shtora-1 were retrofitted. This tank had the designation T-72BU, but had most of the limited success of the Iraqi T-72 in the Second Gulf War for marketing reasons the new designation T-90.