T-72B3 mod. 2016 (or B3M)
|Type||Main battle tank|
|Place of origin||Soviet Union|
|Used by||See Operators|
|Wars||See Combat history|
|Designer||Leonid Kartsev-Valeri Venediktov|
|Unit cost||US$0.5–1.2 million in 1994–1996, 30,962,000–61,924,000 rubles (US$1–2 million) in 2009|
|Width||3.59 m (11 ft 9 in)|
|Height||2.23 m (7 ft 4 in)|
|Crew||3 (commander, gunner, driver)|
|Armour||Steel and composite armour with ERA|
|125 mm 2A46M/2A46M-5 smoothbore gun|
V-92S2F (T-72B3 & T-72B3M)
|Power/weight||18.8 hp/tonne (14 kW/tonne)|
|Transmission||Synchromesh, hydraulically assisted, with 7 forward and 1 reverse gears|
|Ground clearance||0.49 m (19 in)|
|Fuel capacity||1,200 L (320 U.S. gal; 260 imp gal)|
|460 km (290 mi), 700 km (430 mi) with fuel drums|
|Speed||80 km/h (50 mph)|
The T-72 is a family of Soviet main battle tanks that first entered production in 1971. About 20,000 T-72 tanks were built, making it one of the most widely produced post-World War II tanks, second only to the T-54/55 family. The T-72A version introduced in 1979 is considered a second-generation main battle tank. It was widely exported and saw service in 40 countries and in numerous conflicts. The T-72B3 version introduced in 2010 is considered a third-generation main battle tank.
- 1 Development
- 2 Production history
- 3 Design characteristics
- 4 Service
- 5 See also
- 6 Notes
- 7 Sources
- 8 External links
The development of the T-72 was a direct result of the introduction of the T-64 tank. The T-64 (Object 432) was a very ambitious project to build a competitive well-armoured tank with a weight of not more than 36 tons. Under the direction of Alexander Morozov in Kharkov a new design emerged with the hull reduced to the minimum size possible. To do this, the crew was reduced to three soldiers, removing the loader by introducing an automated loading system.
The much smaller design presented a problem when selecting a suitable engine. This led to the introduction of the 700 hp 5TDF engine, which was unreliable, difficult to repair, and had a guaranteed lifespan similar to World War 2 designs.
Production of the T-64 with a 115-mm gun began in 1964. Plans for an up-gunned T-64A with a more powerful 125-mm gun had already been made in 1963. Problems with the early production run were evident from the start, but a strong lobby formed around Morozov who advocated for the T-64 in Moscow, preventing rival developments and ideas from being discussed.
Because of the time-consuming construction of the 5TDF engines, which took about twice as long as the contemporary V-45, the Malyshev Factory in Kharkov could not provide a sufficient number of 5TDF engines for all Soviet tank factories. This led to efforts at Uralvagonzavod to design a version of the T-64 with the cheaper and much more reliable V-45 engine of 780 hp. This model was only to be serially produced in the event of a war, a so-called "mobilization model".
In 1967, the Uralvagonzavod formed "Section 520", which was to prepare the serial production of the T-64 for 1970. The team soon found out that the more powerful V-45 engine put a lot of stress on the T-64 hull, so that after some time cracks started to materialize. A more stable solution was sought.
Finally, an idea from 1960 was used, when a modification of the T-62 had been discussed: In 1961, two prototypes of "Object 167" had been built by Uralvagonzavod to test a stronger hull and running gear combination for that tank. Under influence from Kharkov, the idea had been turned down by Moscow. But this construction, with its big, rubbercoated roadwheels now formed the basis for the mobilisation model of the T-64.
Additional changes were made to the automatic loading system, which also was taken from an earlier project, originally intended for a T-62 upgrade. The 125 mm ammunition, consisting of a separate projectile and a propellant charge, was now stored horizontally on two levels, not vertically on one level as in the T-64. It was said to be more reliable than the T-64 autoloader. In 1964, two 125-mm guns of the D-81 type had been used to evaluate their installation in to the T-62, so the Ural plant was ready to adopt the 125 mm calibre for the T-64A as well.
Uralvagonzavod produced the first prototype with a 125-mm gun and V-45K engine in 1968 as "Object 172". After intensive comparative testing with the T-64A, Object 172 was re-engineered in 1970 to deal with some minor problems. However, being only a mobilization model, serial production of Object 172 was not possible in peacetime. In an unclear political process decree number 326-113 was issued, which allowed the production of Object 172 in the Soviet Union from 1 January 1972, and freed Uralvagonzavod from the T-64A production.
The first batch was built as "Object 172M" and, after some modifications, it was tested again in 1973 and accepted into service as the "T-72" under Soviet ministry directive number 554-172 dated 7 August 1973.
The 1st series production of T-72 Object 172M began in July at UKBM Nizhny Tagil. However, due to difficulties in getting the factory organised for the change in production from T-64 to T-72, only 30 completed tanks were delivered in 1973. Troubles continued in 1974 where out of a state production quota of 440 only 220 were officially declared, with the actual number of completed tanks being close to 150. As a result, substantial investment in tooling was undertaken. Only after modernisation, could the factory begin full-scale production of the T-72. Nizhny Tagil produced the tank in various modifications until 1992.
The T-72 was the most common tank used by the Warsaw Pact from the 1970s until the collapse of the Soviet Union in 1991. It was also exported to other countries, such as Finland, India, Iran, Iraq, Syria and Yugoslavia, as well as being copied elsewhere, both with and without licenses.
Licensed versions of the T-72 were made in Poland and Czechoslovakia, for Warsaw Pact consumers. These tanks had better and more consistent quality of make but with inferior armour, lacking the resin-embedded ceramics layer inside the turret front and glacis armour, replaced with all steel. The Polish-made T-72G tanks also had thinner armour compared to Soviet Army standard (410 mm for turret). Before 1990, Soviet-made T-72 export versions were similarly downgraded for non-Warsaw Pact customers (mostly the Arab countries). Many parts and tools are not interchangeable between the Russian, Polish and Czechoslovakian versions, which caused logistical problems.
Yugoslavia developed the T-72 into the more advanced M-84, and sold hundreds of them around the world during the 1980s. The Iraqis called their T-72 copies the "Lion of Babylon" (Asad Babil). These Iraqi tanks were assembled from kits sold to them by Russia as a means of evading the UN-imposed weapons embargo. More modern derivatives include the Polish PT-91 Twardy. Several countries, including Russia and Ukraine, also offer modernization packages for older T-72s.
Various versions of the T-72 have been in production for decades, and the specifications for its armour have changed considerably. Original T-72 tanks had homogeneous cast steel armour incorporating spaced armour technology and were moderately well protected by the standards of the early 1970s. In 1979, the Soviets began building T-72 modification with composite armour similar to the T-64 composite armour, in the front of the turret and the front of the hull. Late in the 1980s, T-72 tanks in Soviet inventory (and many of those elsewhere in the world as well) were fitted with reactive armour tiles.
Laser rangefinders have appeared in T-72 tanks since 1978; earlier examples were equipped with parallax optical rangefinders, which could not be used for distances under 1,000 metres (1,100 yd). Some export versions of the T-72 lacked the laser rangefinder until 1985 or sometimes only the squadron and platoon commander tanks (version K) received them. After 1985, all newly made T-72s came with reactive armour as standard, the more powerful 840 bhp (630 kW) V-84 engine and an upgraded design main gun, which can fire guided anti-tank missiles from the barrel. With these developments, the T-72 eventually became almost as powerful as the more expensive T-80 tank, but few of these late variants reached the economically ailing Warsaw Pact allies and foreign customers before the Soviet bloc fell apart in 1990.
Since 2000, export vehicles have been offered with thermal imaging night-vision gear of French manufacture as well (though it may be more likely that they might simply use the locally manufactured 'Buran-Catherine' system, which incorporates a French thermal imager). Depleted uranium armour-piercing ammunition for the 125 mm (4.9 in) gun has been manufactured in Russia in the form of the BM-32 projectile since around 1978, though it has never been deployed, and is less penetrating than the later tungsten BM-42 and the newer BM-42M.
Main models of the T-72, built in the Soviet Union and Russia. Command tanks have K added to their designation for komandirskiy, "command", for example T-72K is the command version of the basic T-72. Versions with reactive armour have V added, for vzryvnoy, "explosive".
- T-72 Ural (1973)
- Original version, armed with 125 mm smoothbore tank gun and optical coincidence rangefinder.
- T-72A (1979)
- Added laser rangefinder and electronic fire control, turret front and top being heavily reinforced with composite armour (nicknamed Dolly Parton by US intelligence), provisions for mounting reactive armor, smoke grenade launchers, flipper armour mount on front mudguards, internal changes.
- Export version, similar to T-72A. Also built in Poland and former Czechoslovakia.
- T-72B (1985)
- New main gun, stabilizer, sights, and fire control, capable of firing 9M119 Svir guided missile, additional armour including 20 mm (0.8 in) of appliqué armour in the front of hull, improved 840 hp (630 kW) engine.
- T-72B3 (~2010), T-72B3M (~2017)
- Uses 9M119M missile, new main gun and fire control (aiming of T-90), new ammo, improved 1,130 hp (840 kW) engine, Relikt ERA.
- T-72 SIM-1
- Increased implementation of K-1 reactive and K-5 passive armor. New FALCON command and control system, GPS navigation system and Polish SKO-1T DRAWA-T fire control system with thermal imager and laser rangefinder (from PT-91 Twardy). It has also a friend-or-foe recognition system.
The T-72 design has been further developed into the following models: Lion of Babylon tank (Iraq), M-84 (Yugoslavia), M-95 Degman (Croatia), M-2001 (Serbia), PT-91 Twardy (Poland), Tank EX (India), and TR-125 (Romania).
The T-72 hull has been used as the basis for other heavy vehicle designs, including the following:
- BMPT – Heavy convoy and close tank support vehicle.
- TOS-1 – Thermobaric rocket launcher, with 30-tube launcher in place of the turret.
- BREM-1 (Bronirovannaya Remonto-Evakuatsionnaya Mashina) – Armoured recovery vehicle with a 12-tonne crane, 25-tonne winch, dozer blade, towing equipment, and tools.
- IMR-2 (Inzhenernaya Mashina Razgrashdeniya) – Combat engineering vehicle with an 11-tonne telescoping crane and pincers, configurable dozer blade/plough, and mine-clearing system.
- MTU-72 (Tankovyy Mostoukladchik) – Armoured bridge layer, capable of laying a 50 t (55 short tons) capacity bridge spanning 18 m (59 ft) in three minutes.
- BMR-3 (Bronirovannaja Mashina Razminirovanija) – Mine clearing vehicle.
Remote weapon stations
The T-72 shares many design features with other tank designs of Soviet origin. Some of these are viewed as deficiencies in a straight comparison to NATO tanks, but most are a product of the way these tanks were envisioned to be employed, based on the Soviets' practical experiences in World War II.
The T-72 is extremely lightweight, at forty-one tonnes, and very small compared to Western main battle tanks. Some of the roads and bridges in former Warsaw Pact countries were designed such that T-72s can travel along in formation, but NATO tanks could not pass at all, or just one-by-one, significantly reducing their mobility. The basic T-72 is relatively underpowered, with a 780 hp (580 kW) supercharged version of the basic 500 hp (370 kW) V-12 diesel engine originally designed for the World War II-era T-34. The 0.58 m (1 ft 11 in) wide tracks run on large-diameter road wheels, which allows for easy identification of the T-72 and descendants (the T-64/80 family has relatively small road wheels).
The T-72 is designed to cross rivers up to 5 m (16.4 ft) deep submerged using a small diameter snorkel assembled on-site. The crew is individually supplied with simple rebreather chest-pack apparatuses for emergency situations. If the engine stops underwater, it must be restarted within six seconds, or the T-72's engine compartment becomes flooded due to pressure loss. The snorkeling procedure is considered dangerous, but is important for maintaining operational mobility.
Nuclear, biological, and chemical protection
The T-72 has a comprehensive nuclear, biological, and chemical (NBC) protection system. The inside of both hull and turret is lined with a synthetic fabric made of boron compound, meant to reduce the penetrating radiation from neutron bomb explosions. The crew is supplied clean air via an extensive air filter system. A slight over-pressure prevents entry of contamination via bearings and joints. Use of an autoloader for the main gun allows for more efficient forced smoke removal compared to traditional manually loaded ("pig-loader") tank guns, so NBC isolation of the fighting compartment can, in theory, be maintained indefinitely. Exported T-72s do not have the antiradiation lining.
Like all Soviet-legacy tanks, the T-72's design has traded off interior space in return for a very small silhouette and efficient use of armour, to the point of replacing the fourth crewman with a mechanical loader. The basic T-72 design has extremely small periscope viewports, even by the constrained standards of battle tanks and the driver's field of vision is significantly reduced when his hatch is closed. The steering system is a traditional dual-tiller layout instead of the easier-to-use steering wheel or steering yoke common in modern Western tanks. This set-up requires the near-constant use of both hands, which complicates employment of the seven speed manual transmission.
There is a widespread Cold War-era myth that T-72 and other Soviet tanks are so cramped that the small interior demands the use of shorter crewmen, with the maximum height set at 1.6 m (5 ft 3 in) in the Soviet Army. According to official regulations, however, the actual figure is 1.75 m (5 ft 9 in)
|The cavity in the cast turret|
|Laminated turret matrix of the T-72B|
Armour protection of the T-72 was strengthened with each succeeding generation. The original T-72 "Ural" Object 172M's (from 1973) turret is made from conventional cast HHS steel armour with no laminate inserts. It is believed that the maximum thickness is 280 mm (11 in) and the nose is 80 mm (3.1 in). The glacis of the new laminated armour is 205 mm (8.1 in) thick, comprising 80 mm (3.1 in) HHS steel, 105 mm (4.1 in) double layer of laminate and 30 mm (1.2 in) RHA steel, which when inclined gives about 500–600 mm (20–24 in) thickness along the line of sight. In 1977 the armour of the T-72 Object 172M was slightly changed. The turret now featured insert filled with ceramic sand bars "kwartz" rods and the glacis place composition was changed. It was now made up of 60 mm (2.4 in) HHA steel,105 mm (4.1 in) glass Tekstolit laminate and 50 mm (2.0 in) RHA steel. This version was often known in Soviet circles as T-72 "Ural-1". The next armour update was introduced by the T-72A (Object 176), which was designed in 1976 and replaced the original on the production lines during 1979-1985. T-72 Object 1976 is also known as T-72A. With the introduction of the T-72B (Object 184) in 1985, the composite armour was again changed. According to retired major, James M. Warford, variants developed after the T-72 base model and T-72M/T-72G MBT, featured a cast steel turret that included a cavity filled with quartz or sand in a form similar to US "fused-silica" armour. Steven J. Zaloga mentions that the T-72 Model 1978 (Obiekt 172M sb-4), which entered production in 1977, featured a new turret with special armour composed of ceramic rods.
The T-72A featured a new turret with thicker, nearly vertical, frontal armour. Due to its appearance, it was unofficially nicknamed "Dolly Parton" armour by the US Army. This used the new ceramic-rod turret filler, incorporated improved glacis laminate armour, and mounted new anti-shaped-charge sideskirts.
The T-72M was identical to the base T-72 Ural model in terms of protection, retaining the monolithic steel turret. The modernized T-72M1 was closer to the T-72A in terms of protection. It featured an additional 16 mm (0.63 in) of high hardness steel appliqué armour on the glacis plate, which produced an increase of 43 mm (1.7 in) in line of sight thickness. It was also the first export variant with composite armour in the turret, containing ceramic rods sometimes called "sandbar armour". The turret armour composition was essentially identical to the T-72 "Ural-1" whereas Soviet-only T-72As had slightly increased turret protection.
Several T-72 models featured explosive reactive armour (ERA), which increased protection primarily against HEAT type weapons. Certain late-model T-72 tanks featured heavy ERA to help defeat modern HEAT and AP against which they were insufficiently protected.
Late model T-72s, such as the T-72B, featured improved turret armour, visibly bulging the turret front—nicknamed "super-Dolly Parton" armour by Western intelligence. The turret armour of the T-72B was the thickest and most effective of all Soviet tank armour; it was even thicker than the frontal armour of the T-80B. The T-72B used a new "reflecting-plate armour" (bronya s otrazhayushchimi listami), in which the frontal cavity of the cast turret was filled with a laminate of alternating steel and non-metallic (rubber) layers. The glacis was also fitted with 20 mm (0.8 in) of appliqué armour. The late production versions of the T-72B/B1 and T-72A variants also featured an anti-radiation layer on the hull roof.
Early model T-72s did not feature side skirts; instead, the original base model featured gill or flipper-type armour panels on either side of the forward part of the hull. When the T-72A was introduced in 1979, it was the first model to feature the plastic side skirts covering the upper part of the suspension, with separate panels protecting the side of the fuel and stowage panniers.
The July 1997 issue of Jane's International Defence Review confirmed that after the collapse of the USSR, US and German analysts had a chance to examine Soviet-made T-72 tanks equipped with Kontakt-5 ERA, and they proved impenetrable to most modern US and German tank projectiles. A U.S. Army spokesperson claimed at the show, "the myth of Soviet inferiority in this sector of arms production that has been perpetuated by the failure of downgraded T-72 export tanks in the Gulf Wars has, finally, been laid to rest. The results of these tests show that if a NATO/Warsaw Pact confrontation had erupted in Europe, the Soviets would have had parity (or perhaps even superiority) in armour" KE-effective ERA, such as Kontakt-5, drove the development of M829A3 ammunition.
Late 1980s, Soviet developed Object 187 (Объект 187, or T-72BI), it was a parallel project to Object 188 (the T-90 tank). It was based on the T-72B, with a heavily modified turret. The 'Object 187' used composite armour for the turret ("Super Dolly Parton" composite armor) and the hull front, and RHA for the rest of the tank. It possibly consisted of special materials including ceramic or high density uranium alloys. Maximum physical thickness of the passive armour (not counting the reactive armor - ERA) was up to 950 mm RHA. With Kontakt-5 ERA, T-72BI's frontal armour was immune to the NATO's 120 mm L/44 tank gun. However, after the Soviet collapse, the tank was not accepted.
Estimated protection level
The following table shows the estimated protection level of different T-72 models in rolled homogeneous armour equivalency. i.e., the composite armour of the turret of a T-72B offers as much protection against an APFSDS round as a 520 mm (20 in) thick armour steel layer.
|Model||Turret vs APFSDS||Turret vs HEAT||Hull vs APFSDS||Hull vs HEAT|
|T-72 'Ural' (1973)||380–410 mm (15–16 in)||450–500 mm (18–20 in)||335–410 mm (13.2–16.1 in)||410–450 mm (16–18 in)|
|T-72A (1979–1985)/(1988)+Kontakt 1||410–500 mm (16–20 in)||500–560 mm (20–22 in)||360–420 mm (14–17 in)||490–500 mm (19–20 in)|
|T-72M (1980)||380 mm (15 in)||490 mm (19 in)||335 mm (13.2 in)||450 mm (18 in)|
|T-72M1 (1982)||380 mm (15 in)||490 mm (19 in)||400 mm (16 in)||490 mm (19 in)|
|T-72B+Kontakt 1 (1985)||520–540 mm (20–21 in)||900–950 mm (35–37 in)||480–530 mm (19–21 in)||900 mm (35 in)|
|T-72B+Kontakt 5 (1988)||770–800 mm (30–31 in)||1,180 mm (46 in)||690 mm (27 in)||940 mm (37 in)|
Possible easy replacement of Kontakt 5 (or 1) with Relikt. Relikt defends against tandem warheads and reduces penetration of APFSDS rounds by over 50 percent. Calculation T-72B + Relikt vs APFSDS, on turret 1,000–1,050 mm, on hull 950–1,000 mm. For T-90MS Relikt is a basic set, for the T-90S basic set – Kontakt 5.
The calculation vs HEAT is more complicated.
The T-72 is equipped with the 125 mm (4.9 in) 2A46 series main gun, a significantly larger (20-mm larger) calibre than the standard 105 mm (4.1 in) gun found in contemporary Western MBTs, and still slightly larger than the 120 mm/L44 found in many modern Western MBTs. As is typical of Soviet tanks, the gun is capable of firing anti-tank guided missiles, as well as standard main gun ammunition, including HEAT and APFSDS rounds.
The original T-72 Object 172M (1973) used 2A26M2 model gun first mounted on T-64. The barrel had a length of 6350mm or 50.8 calibers and had maximum rated chamber pressure of 450 MPa. The cannon had an electroplated chrome lining but lacked a thermal sleeve. The cannon was capable of firing 3VBM-3 round with 3BM-9 steel projectile sabot and 3VBM-6 round with 3BM-12 Tungsten sabot APFSDS projectile. Allowing respectively 245 mm (9.6 in) and 280 mm (11 in) penetration of RHA steel at 2000m at 0 degree angle. In addition to APFSDS rounds T-72 Object 172M could also fire 3VBK-7 round incorporating 3BK-12 HEAT warhead and 3VBK-10 round incorporating 3BK-14 HEAT warhead. HEAT rounds allowed respectively 420 mm (17 in) and 450 mm (18 in) penetration of RHA steel at 0 degree angle. The High Explosive rounds provided included 3WOF-22 with 3OF-19 warhead or 3WOF-36 with the 3OF-26 warhead. For all rounds, the Zh40 propellant was used. Complementing the original gun setup was 2E28M "Siren" two-plane electrohydraulic stabilizer allowing automatic stabilization with speeds from 0.05 to 6 degrees per second.
Even as the T-72 Object 172M (1973) was entering production new ammunition was developed to offset armor developments in the West. Beginning in 1972, two new APFSDS rounds were introduced, the 3VBM-7 round with 3BM-15 Tungsten sabot projectile and the "cheaper" 3VBM-8 round with 3BM-17 sabot but without the tungsten carbide plug. These allowed penetration of respectively 310 mm (12 in) and 290 mm (11 in) RHA steel at 2000m at 0 degree angle. At the same time, a universal Zh52 propellant charge was introduced. The 3VBM-7 was the most common APFSDS round found in T-72 Object 172M tanks during the 70s.
The stated barrel life expectancy of the 2A26M2 model gun was 600 rounds of HE/HEAT equivalent to 600 EFC (Effective Full Charge) or 150 rounds of APFSDS.
The main gun of the T-72 has a mean error of 1 m (39.4 in) at a range of 1,800 m (1,968.5 yd). Its maximum firing distance is 3,000 m (3,280.8 yd), due to limited positive elevation. The limit of aimed fire is 4,000 m (4,374.5 yd) (with the gun-launched anti-tank guided missile, which is rarely used outside the former USSR). The T-72's main gun is fitted with an integral pressure reserve drum, which assists in rapid smoke evacuation from the bore after firing. The 125 millimeter gun barrel is certified strong enough to ram the tank through forty centimeters of iron-reinforced brick wall, though doing so will negatively affect the gun's accuracy when subsequently fired. Rumours in NATO armies of the late Cold War claimed that the tremendous recoil of the huge 125 mm gun could damage the fully mechanical transmission of the T-72. The tank commander reputedly had to order firing by repeating his command, when the T-72 is on the move: "Fire! Fire!" The first shout supposedly allowed the driver to disengage the clutch to prevent wrecking the transmission when the gunner fired the cannon on the second order. In reality, this still-common tactic substantively improves the tank's firing accuracy and has nothing to do with recoil or mechanical damage to anything. This might have to do with the lower quality (compared to Western tanks) of the T-72's stabilizers.
The vast majority of T-72s do not have FLIR thermal imaging sights, though all T-72s (even those exported to the Third World) possess the characteristic (and inferior) 'Luna' Infrared illuminator. Thermal imaging sights are extremely expensive, and the new Russian FLIR system, the 'Buran-Catherine Thermal Imaging Suite' was introduced only recently on the T-80UM tank. Most T-72s found outside the former Soviet Union do not have laser rangefinders. T-72s built for export have a downgraded fire-control system.
Like the earlier domestic-use-only T-64, the T-72 is equipped with an automatic loading system, eliminating the need for a dedicated crewmember, decreasing the size and weight of the tank.
However, the autoloader is of a noticeably different design. Both the T-64 and T-72 carry their two-section 125 mm ammunition (shell and full propellant charge, or missile and reduced propellant charge) in separate loading trays positioned on top of each other; but firstly, in T-64, 28 of these were arranged vertically as a ring under the turret ring proper, and were rotated to put the correct tray into position under the hoist system in the turret rear. This had the disadvantage of cutting the turret off from the rest of the tank, most notably, the driver. Accessing the hull required partial removal of the trays. The T-72 uses a design that has lower width requirements and does not isolate the turret compartment: the trays are arranged in a circle at the very bottom of the fighting compartment; the trade-off is the reduction of the number of trays to 22. The second difference is that in the T-64 the trays were hinged together and were flipped open as they were brought into position, allowing both the shell/missile and propellant charge to be rammed into the breech in one motion; in the T-72 the tray is brought to the breech as-is, with the shell in the lower slot and the charge in the upper one, and the mechanical rammer sequentially loads each of them, resulting in a longer reloading cycle.
The autoloader has a minimum cycle of 6.5 seconds (ATGM 8 seconds) and a maximum cycle of 15 seconds for reload, in later versions the sequence mode allows to reload in less than 5 seconds, allowing to reach 3 shots in 13 seconds.
The autoloader system also includes an automated casing removal mechanism that ejects the propellant case through an opening port in the back of the turret during the following reload cycle.
The autoloader disconnects the gun from the vertical stabilizer and cranks it up three degrees above the horizontal in order to depress the breech end of the gun and line it up with the loading tray and rammer. While loading, the gunner can still aim because he has a vertically independent sight. With a laser rangefinder and ballistic computer, final aiming takes at least another three to five seconds, but it is pipelined into the last steps of auto-loading and proceeds concurrently.
In addition to the 22 auto-loaded rounds, the T-72 carries 17 rounds conventionally in the hull, which can be loaded into the emptied autoloader trays or directly into the gun — slowly and awkwardly due to the absence of a human loader.
The T-72 was never used in the Afghanistan War. The 40th Soviet Army that was deployed there had only T-55 and T-62 tanks.
The Russian Federation has over 5,000 T-72 tanks in use, including around 2,000 in active service and 3,000 in reserve. The T-72 has been used by the Russian Army in the fighting during the First and Second Chechen Wars and the Russo-Georgian War. The T-72 has been used by over 40 countries worldwide.
In the 1982 Lebanon War, Syrian T-72s engaged Israeli M60A1, Magach and probably Merkava tanks in the south of Lebanon. The most reliable version, T-72 never met the Merkava in battle On 9 June 1982, the Syrian General HQ ordered a brigade of the 1st Armored Division, equipped with T-72 tanks, to move straight ahead, cross the border, and hit the right flank of the Israeli units advancing along the eastern side of Beka'a, destroying some Israeli companies.[dubious ] After the war, the Syrian president Hafez Al-Assad called it "the best tank in the world".
The T-72 has been in extensive use in the Syrian Civil War by the Syrian Arab Army since 2011 and quite a few captured examples are used by the anti-government Free Syrian Army rebels and jihadists groups such as the Islamic Front and the Islamic State of Iraq and Syria.
Throughout the Syrian Civil War, government forces have used T-72s, among other armored vehicles, against the opposition forces. Initially, the insurgent forces were forced to use IED's and RPG-7 ambush tactics against the government armored forces. Later, modern Russian RPGs and Yugoslav M79 Osas were recorded in rebel hands and being used to achieve successful hits on T-72s. Starting in 2012, the capture from Syrian stocks and later direct delivery by external sponsors of modern anti-tank guided missiles, including Chinese made HJ-8, Soviet-made 9K111 Fagot, 9M113 Konkurs and 9K115 Metis and U.S.-made TOW enabled the opposition forces to successfully engage and destroy any government armored vehicle types, T-72 included, from safer distances.
At the beginning of the Iran–Iraq War, an Iraqi tank battalion, equipped with T-72s, in a battle near the town of Qasr-e Shirin completely defeated an Iranian tank battalion which consisted of Chieftain tanks, without incurring losses. Iranian M47 Patton, M48 Patton, and M60 Patton tanks suffered losses during clashes with Iraqi T-72s. A large number of Iranian M47 tanks were captured by Iraq.
The Iraqi-assembled T-72 version Lion of Babylon engaged coalition forces in both Iraq wars. The Battle of 73 Easting took place during a sandstorm in the Iraqi desert. U.S. M1A1s and Bradley Fighting Vehicles came up against Iraqi Republican Guard T-72s and BMPs and inflicted 37 T-72 losses on the Iraqi armored forces, while losing a single Bradley to enemy fire. The primary attack was conducted by 2ACR's three squadrons of about 400 soldiers, along with the 1st Infantry Division's two leading brigades, who attacked and destroyed the Iraqi 18th Mechanized Brigade and 37th Armored Brigade of the Tawakalna Division, each consisting of between 2,500 and 3,000 personnel. On 26 February 1991, the Iraqis used dug-in T-72 tanks to stop the advance of an U.S. mechanized infantry company supported by two M1 tanks in southern Iraq during the Battle of Phase Line Bullet. The Iraqi T-72Ms used 3BM9 shells (removed from Soviet service in 1973), with a penetration of 245 mm at a distance of up to 2,500 meters (8,200 ft).
In January 2009, it was reported that the Iraqi government was negotiating a deal to purchase up to 2,000 T-72 tanks. The T-72s were to be rebuilt and modernized.
During the First Chechen War (December 1994 to September 1996) fought between the Russian Federation and the self-proclaimed Chechen Republic of Ichkeria, led by Dzhokhar Dudayev, the Russian Federation deployed both T-72 and T-80 tanks. Russian AFV losses during the first month of fighting amounted to some 225 armored vehicles written off as non-repairable battle losses, including 62 recorded as tank (T-62/T-72/T-80) losses, some sources indicating that fifteen T-72B and about five T-72A were destroyed.
Analysis of the causes of these losses indicated the majority were caused by Chechen 4-man anti-armour hunter-killer teams consisting of a gunner armed with a Russian RPG-7 or RPG-18 shoulder-fired antitank rocket launcher, and a machine gunner and a sniper, with five or six such teams simultaneously attacking a single armored vehicle. The majority of losses recorded occurred from three to six kill shot hits to the sides, top and rear of a vehicle. Additionally, some losses were noted as being frontal penetrations of armour where the tanks were not deployed with ERA fitted.
Highlighted were serious tactical deployment failures, once again demonstrating doctrine and tactics being a primary factor in determining a tank's worth. Following the serious losses to the Russian Federation during their first assault upon Grozny, armoured tactics were revised. Russian armored vehicle losses dropped off with their change in tactics to have Russian infantry move in front, with armored combat vehicles in support of the infantry.
Seven captured T-72s were used in combat by the Russian army. During the First Chechen War, at least two tank duels took place. In the first one, Dudayev's T-72A knocked out one T-62M belonging to pro-Russian Chechens. In the second duel, one of Dudayev's T-72As was destroyed by a Russian T72B. Three Russian T-72s are recorded as destroyed, at the hands of Chechen separatists, including one tank during the Second Chechen War, during the period 1997 to 2003.
During the war in South Ossetia in 2008 both sides deployed great numbers of T-72 tanks. Many of the Georgian tanks were destroyed, disabled or captured, including T-72Sim1s and T-72B1s. At the time of the conflict, the Georgian military fielded 191 T-72 tanks of which 120 were modified to T-72Sim1s. The Georgian army deployed a total of 75 of its T-72 tanks into South Ossetia. The majority of those and several other were captured by Russian forces in South Ossetia and Georgia proper during and after the Georgian retreat, while at least 10 were destroyed in combat, all of them in and around Tskhinvali. One was taken out by a helicopter, another one by the Russian garrison in Tskhinvali, two were knocked out and abandoned and six of the combat losses are credited to South Ossetian troops utilizing the advantages of an urban environment by deploying traps and ambush tactics with rocket propelled grenades. Russian ground troops lost a total of three tanks destroyed in combat including two T-72s and one T-62. The first Russian loss was a T-72BM destroyed on August 8 or 9 near the Russian garrison in Tskhinvali. Another tank, a T-62M was disabled on August 10 in the eastern part of the town. Finally a T-72B was destroyed on August 11 in the village of Zemo-Khviti, with entire crew getting killed. Several Russian tanks were damaged but remained operational and continued to fight.
War in Donbass
On 26 August 2014, International Institute for Strategic Studies claimed that it had identified a mixed column composed of at least 3 T-72B1s and a lone T-72BM in the War in Donbass. The significance of this sighting was that Russia attempted to maintain plausible deniability over the issue of supplying tanks and other arms to the separatists. Russia continuously claimed that any tanks operated by the separatists must have been captured from Ukraine's own army. The T-72BM is in service with the Russian Army in large numbers. This modernized T-72 is not known to have been exported to nor operated by any other country. In an interview with Dorzhi Batomunkuev on 4 March 2015, it was revealed that he had operated a T-72B as part of a 32 tank Russian army unit when fighting for Debaltseve in Ukraine in February 2015. His tank was destroyed and he suffered severe burns.
In September 2009, it was announced that Venezuela was planning to purchase 92 Russian T-72B1V tanks. The first T-72s destined for Venezuela arrived at the port of Puerto Cabello on 25 May 2011. In June 2012, Russia and Venezuela agreed on a deal for 100 more T-72B1Vs. This purchase has led to the dismissal and prosecution of officials for bribery.
Xu Bin-shi, a high ranking Chinese military engineer, revealed during an interview that China first obtained a T-72 from Romania in the 1980s, in exchange for plasma spray technology.
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- 1980–1988: Iran–Iraq War (Iraq)
- 1982: Lebanon (Syria)
- 1982: 1982 Ethiopian-Somali Border War (Ethiopia)
- 1983–2009: Sri Lankan Civil War (India)
- 1988–1994: Nagorno-Karabakh War (Armenia and Azerbaijan)
- 1988–1993: Georgian Civil War
- 1992–1997: Civil war in Tajikistan (Russia, Tajikistan)
- 1990–1991: First Persian Gulf War (Iraq, Kuwait)
- 1990–2002: Sierra Leone Civil War (Executive Outcomes)
- 1991–2001: Yugoslav Wars (Yugoslavia)
- 1991–2002: Algerian Civil War (Algeria)
- 1994: Rwanda Civil War (Uganda)
- 1994–1996: First Chechen War (Russia, Chechnya (limited)) First known case of using tank-launched missiles, which effectively destroy targets at 4 km range.
- 1999–2009: Second Chechen War (Russia)
- 2003: Invasion of Iraq (Iraq)
- 2008: War in South Ossetia (Russia and Georgia)
- 2011: 2011 Libyan civil war (Gaddafi Government and Anti-Gaddafi forces)
- 2012: Syrian Civil War – Government forces using T-72 tanks. Opposition forces using captured government's tanks
- 2013: South Sudanese conflict
- 2014–: Conflict in Ukraine (Ukraine and Russia) 
- 2014: Northern Iraq offensive
- 2015: Boko Haram insurgency (Nigerian Armed Forces) 
- 2016: 2016 Nagorno-Karabakh clashes (Armenia, Azerbaijan)
- Comparable AFVs: Chieftain (tank), Leopard 1, M60 Patton, AMX-30
- Related lists: List of tanks, List of Soviet tanks
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