Model Variants (Including Prototypes)
T-55 - Base Production Model Series Designation
T-55A - Improved anti-radiation protection; 7.62mm PKT coaxial machine gun; deleted bow-mounted machine gun; 6 x additional 100mm projectiles; early forms sans 12.7mm DShK anti-aircraft machine gun.
T-55K1 - Command Tank
T-55K2 - Command Tank
T-55K3 - Command Tank
T-55AK1 - Command Tank
T-55AK2 - Command Tank
T-55AK3 - Command Tank
T-55MK1 - Command Tank
T-55MK2 - Command Tank
T-55MK3 - Command Tank
T-55M / T-55AM - Modernized T-55
T-55M-1 - T-55M fitted with V-46-5M engine of 691 horsepower.
T-55AD - Fitted with "Drozd" active countermeasures system.
T-55AD-1 - T-55AD fitted with V-46-5M engine of 691 horsepower.
T-55MV - Fitted with Kontakt-1 Explosie Reactive Armor (ERA) blocks.
T-55MV-1 - T-55MV fitted with V-46-5M engine of 691 horsepower.
T-55M5 - Modernized variant; improved ERA protection.
T-55M6 - Improved T-55M5; six road wheels to each track side; new fire control system; increased combat weight.
T-55K - Experimental variant testing the "Uran" television camera relay system.