FV 214 Conqueror

FV 214 Conqueror.

British 66 tonnes giant armed with a L1 120 mm rifled gun to give the Soviets a memorable welcome in case they decided to visit the home islands without a visa

Credit : War machines

IS-7

Some of the last Heavy tanks ever made. 

IS-7

Soviet 68 ton monster with a 130mm gun S-70 gun. The largest and heaviest tank ever tested by the USSR

Credit : War machines

PT-85

A tank with many names.

1981 Shin'heun. Otherwise known as PT-85, DOD code M1985, Light tank mod. 1981

Credit : War machines

1955 ELC EVEN

Name:1955 ELC EVEN.
The craft of Light Combat(Light tank)EVEN was expected to act "en masse" against armored vehicles. 
Armament: one 90 mm gun
Length: 5.30 m Width: 2.15 m Height: 1.80 m Weight: 7.4 t
Sofam engine of 150 hp Speed: 68 km / h Autonomy: 350 km
crew: 2

That other variant is (probably) an infantry support version.

Credit : War Machines