Database / tanks  / pt-76

PT-76

Statistics:
Total number (active): ~30

Used in:
Marines

T-72 MBT | M1A2 Abrams MBT
2284 2284 1174 1174
T-80 MBT | M1A2 Abrams MBT
188 188 1174 1174
T-90 MBT | M1A2 Abrams MBT
266 266 1174 1174
* where available

D./Weight (tons): 14,7
Speed (km/h): 45/11,2
Crew: 3
Dimensions (mm): 7'634/6'910 x 3'140 x 2'255
M./Engine: diesel B6M, 300 hp
Power-to-weight ratio (hp/t): 20.1
Ground pressure (kg/sm2): 0.5
Fuel capacity (L): 400
Range (km): 400
fording (m): amphibious
Armament: 1 x 76,2 mm gun
1 x 7,62 mm MG coaxial
gun loading: a/m; stabilization: v/h; stowage: 40; coax.: 1'000

The PT-76 is a lightly armored amphibious tank with a flat, boat-like hull. The suspension has six road wheels and no return rollers. A dish-type turret is mounted over the second, third, and fourth road wheels, with a double hatch for commander and loader. The driver's hatch is located beneath the main gun, at the top of the sloping glacis plate.

The PT-76 was formerly the standard reconnaissance tank of the Soviet and Warsaw Pact armies. Although it has been replaced in first-line units by BMP-1 and BMP M1976 vehicles, it may still be found in the reconnaissance companies and battalions of some motorized rifle and tank regiments and divisions, as well as in naval infantry units. Aside from its reconnaissance role, it is also used for crossing water obstacles in the first wave of an attack and for artillery support during the establishment of a beachhead. Its V-6 240 hp water-cooled engine gives it a road speed of 44 km/hr with a cruising range of 260 km, and a twin waterjet propulsion system moves it through water at 10 km/hr with a range of 100 km. The 76-mm main gun, considered light for a modern tank, fires HVAP and HEAT rounds capable of penetrating APCs and other light armored vehicles. The PT-76 is a reliable, highly mobile reconnaissance vehicle and has ideal design for amphibious capability, but it has many limitations as a fighting vehicle.

Like most Soviet tanks, the PT-76 has limited ability to depress its main gun, and therefore cannot fire effectively from defilade. Its amphibious design makes it unnecessarily large for its weight class and allows less armor protection than in other light tanks. Because of its relatively thin armor (maximum thickness 14 mm in the hull, 17 mm in the turret), it is vulnerable to artillery fragments and .50 caliber machine gun fire. The fact that the commander is also the gunner and radio operator reduces his effectiveness as an observer. The PT-76 also lagged behind other Soviet armored fighting vehicles in having no night vision equipment and no NBC protection system for the three-man crew.


Four variants are distinguished by differences in the 76-mm main armament. Early models mounted a D-56T gun with no bore evacuator and a long, multi-slotted muzzle brake. Later models mount a D-56TM gun with a bore evacuator and a double-baffle muzzle brake. There are further variants with a stabilized D-56TM gun (PT-76B) and with an unidentified clean-barrel gun. A coaxial 7.62-mm machine gun is also mounted at the right of the main gun. The original PT-76 was produced in limited numbers with a non-stabilized main gun. Some PT-76s are augmented with 12.7-mm AA MGs.

 

PT-76 image #125

PT-76 image #126



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