Combat weight: 39.3 tons (40.000 kg).
Lenght: (Gun to front) 29.5 ft (9.02 m); (hull) 20.46 ft (6.35 m).
Widht: 10.03 ft (3.375 m).
Height: (To cupola) 7.41 ft (2.265 m).
Engine: Water cooled diesel. 700 bhp.
Armament: 125mm smoothbore gun firing fin-stabilised APFSDS and HEAT ammunition, automatic loader. One 7.62mm coaxial machine gun. One 12.7mm remote-controlled DShK AAMG.
Speed: 50 mph (80 km/h).
Range: 310 miles (500 km).
Armour: Maximum about 120 mm.
The T-64 retains the low silhouette of the T-54/55/62 series of tanks. The suspension consists of six small dual road wheels with the drive sprocket at the rear, idler at the front and four track-return rollers which support the inside of the double-pin track only. The first, second, fifth and sixth road wheel stations are provided with a hydraulic shock absorber. Over the top of the suspension, which slopes downward towards the rear, is a rail on which panels of additional armor can be attached. The driver's hatch is centered at the top of a sharply sloped upper glacis. The glacis has four steel ribs and a v-shaped water and debris deflector. Integrated fuel cells and stowage containers give a streamlined appearance to the fenders. The tank has a toothed shovel/dozer blade on the front of the hull beneath the glacis. There are attachment points beneath the blade for the KMT-6 mine-clearing plow. The low, rounded turret is centered on the hull. The commander's cupola is on the right side of the turret; the gunner's hatch is on the left side. The 125-mm main gun has a four section removable thermal shield. It has two sections in front of, and two sections to the rear of the mid-tube bore evacuator. A 7.62-mm coaxial machine-gun is mounted to the right of the mantlet. The infra-red searchlight is mounted on the left of the main armament. Two or three boxes of 12.7-mm ammunition are mounted on the left side of the turret. The snorkel is carried on the top of the turret at the rear and at the very rear of the turret is a detachable stowage box. The T-64 has two snorkels for deep fording; one is fitted to the turret and the other to the engine compartment. The T-64 has superior mobility than its predecessors. The 5-cylinder, opposed-piston, diesel engine has an output of 700 hp. The hull and turret are of cast and welded steel armor that incorporates a mixture of conventional steel and ceramic inserts called Combination K, with the ceramic inserts providing superior protection against HEAT attack. The sides of the hull and upper part of the suspension were provided with gill type armor panels which sprung outward during combat to reduce the effectiveness of HEAT projectiles. The T-64 is armed with the 125-mm 2A26 smoothbore gun with a vertical ammunition stowage system, and automatic loader. The incorporation of an automatic loader allowed for a three-man crew. The 125-mm gun is stabilized in both elevation and traverse with the ordnance being fitted with a thermal sleeve and fume extractor. The main armament can be laid and fired while the T-64 is moving across country and the commander can override the gunner if required. The 125-mm gun is stabilized, but does not have the same firing on the move capability as Western MBT such as the M1 or Leopard 2. The 125-mm gun has a sighted range out to 4000 m using the day sight and 800 m using the night sight. Maximum effective range of the 125-mm smoothbore gun of the T-64B is 2000 meters, firing the following types of ammunition: APFSDS, HE-FRAG, HEAT, and a Beehive anti-personnel round. The T-64B's 125-mm ordnance also fires the AT-8 Songster ATGM, which is kept in the automatic loader in two separate parts like standard APFSDS or HEAT-FS rounds and loaded using the automatic loader. A T-64B normally carries six AT-8 Songsters plus 36 rounds (projectile and charge) of 125-mm ammunition. The 12.7-mm anti-aircraft machine gun has electric elevation with manual controls being provided for emergency use. The 12.7-mm antiaircraft machine-gun of the T-64 can be aimed and fired from within the tank. It has the PAZ radiation detection system, an anti-radiation liner, and a collective NBC filtration and overpressure system.


T-64R This was the initial production model armed with 115-mm D-68 smoothbore gun for which 40 rounds of ammunition were carried, of this total 30 rounds were in the automatic loader for ready use. It is believed that 600 were built, but none now remain in service. T-64 This was the initial production version with the 125-mm smoothbore gun with ZIP tool stowage bin on right side and no rear turret stowage bin. Most of these were subsequently rebuilt to the T-64A configuration.

T-64K The command version of the T-64. When stationary a 10 m telescopic mast is erected over the turret and held in position by stays that are pegged to the ground. The command version does not normally have the 12.7-mm anti-aircraft gun fitted. T-64A This version features several improvements including a modified sight for the gunner with an enlarged opening. A bump stop for the fourth road wheel was added. Smoke grenade launchers were fitted to both sides of the 125-mm gun. Hinges for the attachment of side skirts were added to the hull sides. Each bank of six smoke launchers fires grenades to a range of 150 to 200 m. The handrails on either side of the turret front were omitted and the forward stowage boxes on the right hand sponson were replaced by additional external fuel tanks as on the left hand sponson. The forward skirts were originally spring-loaded so that they faced the front, but these were subsequently replaced by skirts.

T-64A (rebuild) This is a rebuilt T-64 or T-64A incorporating the new improvements found on the later T-64 models, including the substitution of a rubber side skirt for the gill armor, addition of glacis plate hull armor appliqu?, stowage improvements and other changes.

T-64AK The command version of the T-64A

T-64B This was a major redesign of the T-64A to incorporate a new hull and turret armor that was not as bulky as the first generation Combination K armor on the T-64A, but at the same time offering the same or better protection. The T-64B has a laser rangefinder for improved first round hit probability, explosive reactive armor and strengthened turret hatch protection. There are at least two versions of the T-64B. New construction T-64Bs that appear to lack the usual forward gunner's sight and rebuilt T-64Bs, which are modifications of earlier T-64s.

T-64BV This is the correct designation for the T-64B fitted with explosive reactive armor. The T-64BV has a different explosive reactive armor package from the T-80. The former has about 111 blocks; the latter has between 185 and 221 blocks. On the T-64BV the reactive armor covers the glacis plate, the forward part of the turret front, sides and roof and hull sides extending to the five road wheels. When fitted with explosive reactive armor, the smoke dischargers are moved from either side of the main armament to either side of the turret rear, roughly in line with the fourth and fifth road wheels. T-64B1 The designation T-64B1 may distinguish the difference between new-build T-64Bs, and T-64As which have been improved to the T-64B standard.

T-64B1K This is the command tank version of the T-64B1 and has additional communications equipment installed.

T-64BV1K This is the T-64B fitted with explosive reactive armor and fitted with additional communications equipment for use in the command role.

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