T-84

   The T-84 main battle tank is a further development of the T-80UD and has a number of improvements. Development of the T-84 began in the late 1980s, and it was revealed in 1995. It entered service with Ukrainian Army in 1999. The only export operator is Pakistan, which acquired 320 of these MBTs.

   Vehicle has an all-welded turret and is fitted with built-in explosive reactive armor blocks. Protection is enhanced by Shtora-1 countermeasures system, significantly increasing tank's survivability against ATGW with semi-active or semi-automatic guidance.

   The T-84 has similar weapons as the T-80UD. It is armed with a 125-mm smoothbore gun, fitted with an autoloader. This MBT is also compatible with the 9K119M Reflex (NATO designation AT-11 Sniper-B) anti-tank guided missiles. These missiles are launched  in the same manner as ordinary rounds. Effective range of fire with APFSDS round is 2 000 - 3 000 m day and 2 000 - 2 600 at night. Armor penetration is about 590 - 630 mm at 2 000 m range.

   Secondary armament consists of coaxial 7.62-mm machine gun and a roof-mounted 12.7-mm machine gun.

   This main battle tank is powered by a 6TD-2 turbocharged diesel engine, developing 1 200 hp. Some variants of the T-84 are powered by a more powerful 6TD-3 turbocharged diesel, developing 1 500 hp. Auxiliary gas turbine power unit is fitted to power all the tank's systems, when the main engine is turned off. The T-84 has a deep wading kit, and a built-in self-entrenching blade.

   Models of the T-84 include the T-84U MBT with new armored side skirts, built-in Kontakt-5 explosive reactive armor, muzzle reference system and some other improvements.

Variants

   Oplot is an improved version of the T-84, fitted with new turret. A small number of the T-84 Oplot MBTs is in service with Ukrainian Army;

   Yatagan is a prototype main battle tank, intended for export. It is a further development of the Oplot, featuring a 120-mm gun, compatible with the standard NATO tank munitions and special version of the Russian AT-11 Sniper anti-tank guided missiles. It has a new turret with ammunition stored in a separate compartment in the turret bustle with blow-out panels. This model also has a new autoloader;

   Oplot-M, fitted with new Nozh ERA armor which protects against tandem warheads;

   Atlet armored recovery vehicle. It is also referred as the BREM-84;

   BMU-84 bridgelayer;

   BMPT-84 heavy infantry fighting vehicle, armed with a 125-mm gun and capable of carrying 5 troops.