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T80UD Main Battle Tank

The T-80UD main battle tank was developed by the KMDB at the beginning of the 1980s and entered series production at the State Enterprise Malyshev Plant in 1985.

T-80UD MBT Specifications

Dimensions:
length (gun forward) 9.72 m
length (hull) 7.085 m
width (with skirts) 3.56 m
height (including roof-mounted 12.7mm MG) 2.74 m
Ground clearance 0.515 m
Track width 0.58 m
Track 2.8 m
Length of track on ground 4.29 m
Combat weight 46 t
Power-to-weight ratio 21.7 hp/t
Ground pressure 0.93 kg/cm2
Max road speed 65 km/h
Average cross-country speed 45 km/h
Cruising range:
road 580 km
cross-country 360-450 km
Fording:
without preparation 1.8 m
with preparation 5 m
Gradient 63 %
Side slope 36 %
Vertical obstacle 1 m
Trench 2.81 m
Engine Model 6TD-1 twin-stroke, multi-fuel, liquid-cooled 6-cylinder diesel engine, fuel injected, developing 1,000 hp at 2,600 rpm
Transmission mechanical, epicycle train with 7 forward and 1 reverse gear
Suspension  torsion bar
Armament:
main  125mm smoothbore KBA3 gun
coaxial  7.62mm PKT KT-7.62 machine gun
anti-aircraft 12.7mm KT-12.7 machine gun
Ammunition:
for main armament 45 rds (28 in automatic loader)
for coaxial machine gun 1,250 rds
for anti-aircraft machine gun 450 rds
Operating temperature range -40 to +55°C
Crew 3
 

T-80UD main battle tank

T-80UD main battle tank

T-80UD main battle tank

T-80UD main battle tank

Armament

The T-80UD MBT armament includes a 125mm gun, 7.62mm coaxial machine gun and 12.7mm anti-aircraft machine gun. The tank crew is also equipped with sub-machine guns, hand grenades and a signal pistol.

The main armament comprises a 125mm KBA3 smoothbore gun fed by a carousel-type automatic loader and fitted with a thermal sleeve and fume extractor (bore evacuator). The main gun has a quick-replacement barrel which can be changed under field conditions without the need to remove the gun from the tank.

The number of rounds that T-80UD could carry is 45 two-piece rounds (projectile and charge), of which 28 rounds are placed in the automatic loader, with the remainder being stored at the driver's station and in the fighting compartment. Types of ammunition that can be fired by the gun include APFSDS (armour-piercing fin-stabilised discarding sabot), HEAT (high explosive anti-tank), HE-FRAG (high explosive fragmentation) rounds and laser beam-riding guided missiles.

The specific feature of the tank is that it is fitted with a guided missile system to enable the main gun to fire a laser guided missile with a maximum range of 5,000 m. The missile consists of two parts. The first part includes a pusher and an equipment compartment with control surface device. The second part includes a sustainer engine and a tandem warhead. Both parts are stowed in the automatic loader in the same way as conventional ammunition.The two parts get united into one body in the gun bore at the moment of firing.

The missile can be fired while both the tank and target are moving. The tandem warhead enables the missile to defeat targets fitted with explosive reactive armour with a high degree of efficiency.

Although the primary role of the missile is to engage battle tanks operating at ranges beyond the effective range of the 125mm tank gun firing conventional ammunition, it can also be fired against other battlefield targets such as hovering helicopters and pillboxes.

The coaxial machine gun can be aimed and fired from either gunner's or commander's station.

The anti-aircraft machine gun is mounted on the commander's cupola and is intended for use in the ground/air and ground/ground roles being aimed and fired while remaining in the vehicle under full armour protection from the commander's station. The machine gun can be elevated from -5° to +70° and traversed through +/-75° to the right and left of the vehicle longitudinal axis, or through +360° together with the tank turret. The machine gun is fitted with a vertical stabilisation system providing stabilisation in the vertical angle range of -3° to +20°.

Fire Control System

The T-80UD is fitted with an advanced fire control system, and either the gunner or commander can lay and fire the main armament at stationary and moving targets while the tank is stationary or moving with a high first round hit probability.

The fire control system comprises a gunner's 1G46 day sight, gunner's TO1-KO1E  night vision system, commander's PNK-4S observation and sighting system, PZU-7 anti-aircraft sight, 1ETs29 anti-aircraft machine gun mount control system, 1V528-1 ballistic computer with input information sensors, 2E42 armament stabiliser and other devices.

The gunner's 1G46 day sight has a two-axis stabilised line of sight and incorporates a laser range-finder and a missile guidance capability.

In the standard version the gunner has a TO1-KO1E sighting system with TPN-4E image intensification sight, but as an option, the Buran-Catherine-E thermal imaging sight can be fitted.

The commander's PNK-4S observation and sighting system comprises a commander's TKN-4S combined day/night sight and a gun position sensor. The commander's TKN-4S combined sight is stabilised in the vertical plane and has three channels: a day unity vision channel, a day channel with magnification of x8 and a night channel with magnification of 5.4x. A simple switch enables the commander to change from the daylight channel to the night (image intensification) channel and back again.

The commander's anti-aircraft sight enables the commander to engage air targets by using the anti-aircraft machine gun from within the safety of the turret.

In order to calculate ballistic corrections, the 1V528-1 ballistic computer automatically takes into account all the inputs from the sensors including tank speed, angular target speed, gun trunnion axis cant, crosswind speed, target range, and course angle. Additionally, the following parameters are manually input: ambient air temperature, charge temperature, barrel wear ambient air pressure and so on. The computer also computes the time when the high-explosive fragmentation projectile with controlled detonation should be detonated over the target.

The fire control system has a so-called fire gating capability, i.e., after the gun firing button has been pushed, the gun will only fire when the misalignment between the line of sight and the gun bore axis is within pre-determined limits. The fire gate size is adjusted when calibrating the fire control system after installing it in the tank.

To enable a broad sector of terrain to be observed, the crew members are provided with unity magnification periscope vision blocks.

T-80UD main battle tank with its ammo
T-80UD main battle tank with its ammo

Protection

The armour protection of the T-80UD, which includes advanced multi-layer armour and explosive reactive armour package for the turret and chassis, provides to the T-80UD a high level of battlefield survivability.

The T-80UD can disguise itself on the battlefield by laying a smoke/aerosol screen. Mounted on either side of the turret is a bank of four electrically operated smoke grenade launchers.

The T-80UD can lay its own smoke screen by injecting diesel fuel in the engine exhaust (i.e. by using so-called engine smoke emitter).

To reduce the thermal signature of the tank on the battlefield, the T-80UD power pack compartment top deck is fitted with special heat insulation.

Explosive reactive armour installed on the glacis plat
Explosive reactive armour installed on the glacis plate 

Mobility

The T-80UD is powered by a model 6TD-1 6-cylinder diesel engine developing 1,000 hp.

The air inlet of the engine allows air to be ducted from the least dusty quarter and enables water obstacles to be crossed to a water depth of 1.8 m without preparation.

There are two parts to the air filtration system, the centrifugal pre-cleaners and the air cleaner casing. This enables the tank to be operated in hot and dusty conditions for up to 1,000 km without a change of filters and to carry out combat under radioactive conditions.

The suspension is of the torsion bar type with each side having six dual rubber-tyred road wheels with the idler at the front, drive sprocket at the rear and track support rollers.

The upper part of the suspension is covered by a skirt, the forward part of which is armoured (fitted with explosive reactive armour).

A rubber mat hangs at the front of the vehicle and this helps to keep down dust.

Fording without preparation and with preparation
Fording without preparation and with preparation

Other Features

The T-80UD MBT standard equipment also includes an NBC system, provision for deep fording, fire detection/suppression system, radiation shielding and a dozer blade mounted under the front of the hull.

The NBC protection system protects the crew and inner equipment of the tank against the effects of nuclear explosions, radioactive dust, toxic agents and bacteriological materials.

The deep fording equipment enables the tank to cross water obstacles to a water depth of 5 m (1.8 m deep water obstacles can be crossed without preparation).

The fire detection/suppression system enables internal fires to be detected and suppressed in both crew compartment and power pack compartment.

The radiation shielding is designed in the form of liner fixed on both internal and external surfaces of the tank.

The dozer blade enables the tank to dig up a tank caponier within 15-40 minutes depending on the type of ground.

The T-80UD can be fitted with various types of mine-clearing system at the front of the hull including KMT-6 plough-type system and KMT-7 roller-type system. Two long-range fuel tanks and an unditching beam can be mounted at the rear of the hull.

The T-80UD MBT design and configuration can be changed to suit foreign customers' specific requirements.

Self-entrench device

Self-entrench device 

KMT-6 mine-clearing system

KMT-6 mine-clearing system

Support Vehicles

The following key support vehicles can also be supplied to provide the T-80UD MBT with technical and logistic support during its operational life:

  • armoured repair and recovery vehicle (based on the T-80UD chassis)
  • armoured vehicle-launched bridge (based on the T-80UD chassis)
  • tracked carrier with a carrying capacity of 12 t (its main sub-assemblies are similar to those of the T-80UD);
  • various tank maintenance mobile workshops (based on the chassis of cross-country vehicles)

Product Support

Throughout the operational life of the T-80UD MBT the KMDB and its sub-contractors provide users with the following product support:

  • training courses
  • training equipment
  • assistance and advice on equipment management
  • in-country support
  • scaling and supply of spare parts
  • post-design services
  • publications
T-80UD

T-80UD

Two-view general arrangement drawing of the T-80UD MBT

Participation in Comparative Evaluation Trials

The T-80UD MBT was demonstrated and subjected to trials in Pakistan in 1993 and 1995 to meet this country's re requirement for a new MBT.

In 1996 Pakistan placed a contract with Ukraine for the supply of 320 T-80UDs. The first batch of 15 vehicles was delivered early in 1997, with final deliveries taking place in late 1999.

The vehicles of the final batches incorporated many features of the T-84, including an all-welded turret and other improvements.

T-80UDT-80UD

T-80UD MBTs are in service with the Pakistani Army

Status

The T-80UD main battle tank is now in service with Ukraine, Russia and Pakistan.

T-80UD T-80UD
T-80UD

Additional historical data

KMDB
126 Plekhanivska St.
Kharkiv 61001
UKRAINE
Tel.: +380 (577) 57 41 44
Fax: +380 (577) 57 41 01, +380 (577) 57 41 68
www.morozov.com.ua
marketing@morozov.com.ua

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