T-85 IIAP is a variant of Chinese T-85 main battle tanks with some improvements to existing systems and introduction of latest systems and weaponry. The original T-85 were manufactured at China North Industries Corporation (NORINCO). Pakistan is manufacturing these tanks at Heavy Industries Taxila under Chinese license.

This tank is equipped with a 730 hp liquid cooled diesel engine which uses fixed shaft type transmission. Its total combat weight is about 41 Tons, giving the vehicle a power-to-weight ratio of about 17.80 hp/ton. With a ground pressure of 0.8kg/cm?.  T-85 IIAP uses steel tracks which enables it to conduct operations in harsh desert terrain. Its suspension is reinforced by using  Shock Absorber & Torsion bars and rubber pads.

Due to its powerful engine and good weight to power ratio this tank can perform at max speed of 57km. With a maximum combat range over 600km, which enables it to strike deep with in enemy territory.

T-80 IIAP carries wide range of weapons any where from, mounted anti-tank guided weapons (ATGW) to Anti Aircraft guns and powerful main gun.

It is fitted with 125mm smooth bore main gun which can fire wide array of projectiles such as Armour Piercing (AP), Armour Piercing Discarding Sabot (APDS), High Explosive Anti-Tank (HEAT) and also High Explosive-Fragmentation (HE-FRAG). In addition to the main gun, it is also fitted with 7.62 mm coaxial machine gun and a 12.7 mm air defence machine gun. Pakistan army has also used a local version of 12.7 mm air defence machine gun which has further enhanced the tanks abilities12.7mm gun is being manufactured at Pakistan Ordinance Factors (POF). POF is manufacturing all types of weapons for these tanks locally.

T-80 can carry large weapon load. It has a load of 40 projectiles on board for the main gun. It carries over 500 rounds of 12.7mm anti air craft machine gun and for it coaxial machine gun it carries a load of 2250 rounds. In addition to this T-80 IIAP also carries an additional 12 large grenades

The 125 mm automatic smoothbore gun fires between 6 and 8 rounds/minute. Reloading is done by 22 round Circular Carousel of Cassette Type reloader.

T-85 IIAP uses one of the finest armours of Composite  type (Frontal Arc). In addition to that tank is also equipped with Fire Extinguishing & Explosion Suppression and Thermal Smoke Screen.

Its equipped with  Image Stabilized Fire Control System with LRF ballistic computer and auto sensors. It also uses laser protected optics. In addition to that this tank also uses Image Intensifier Sighting System. Fire control is also supported by laser ranger finder of type Nd YAG  range of 200 to  5000m