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Land ForcesRussia

T-80BK (Ob'yekt 660)

Main battle tankFielded 1978Pending verification
Land ForcesRUS
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeMain battle tank
Date of introduction1978
ProliferationOrigin country only
Crew3Med[1]
Dimensions and weight
Width3.58 m12 ftMed[1]
Height2.22 m7 ftMed[1]
Combat weight43.7 tMed[1]
Automotive performance
EngineGTD-1000TMed[1]
Engine power1,100 hpMed[1]
Cruising range335 km208 mi · 181 nmiMed[1]
Max road speed70 km/h43 mph · 38 ktMed[1]
Cross-country speed55 km/h34 mph · 30 ktMed[1]
Fording depth (No Preparation)1.8 mMed[1]
Fording depth (With Preparation)5.0 mMed[1]
Protection
Hull Armor440–450 mmMed[1]
Armor TypeThe T-80BK is protected by a third iteration of Soviet laminate armor that is known as Combination KMed[1]
Turret ArmorProtection equivalent to 550 mmMed[1]
Applique ArmorYes, Hull side; track skirtsMed[1]
Explosive reactive armorYes, Kontakt-1 SystemMed[1]
Active Protection SystemArena AvailableMed[1]
NBC ProtectionYes, ZETS-11-2 detection system collective overpressure systemMed[1]
Smoke EquipmentYes, two banks of four 81 mm Toucha 902B grenade launchers that fire the ZD-6 smoke grenadeMed[1]
Armament
Rate of fire (max)6-8 rds/minMed[1]
Maximum elevation+14 degMed[1]
Minimum elevation-5 degMed[1]
Main armament1 x L48 2A46M-1 Smoothbore Cannon, 125 mmMed[1]
Secondary armament1 x PK (Kalashnikov's Machine Gun) 7.62mm General-Purpose Machine GunMed[1]
Maximum firing range4 km2 mi · 2 nmiMed[1]
Fire control
Fire control system1A33 FCSMed[1]
Computerized FCSYesMed[1]
Thermal Sight Tank CommanderYes, the T01-KOIRMed[1]
Thermal Sight GunnerYesMed[1]
Main Gun StabilizationYes, 2E26M electro-hydraulic dual plane stabilisation systemMed[1]
Main Gun Stabilization Deployment Time2 minutesMed[1]
Range, Thermal Sight2,600 mMed[1]
Variants
T-80 (1976)Initial model, with a 1,000-hp gas turbine engine, coincidence rangefinder, and no missile capability. This model does not have fittings for explosive reactive armor. The turret is from the T-64A, and thus retains the us[1]
T-80BV (1985)T-80B with explosive reactive armour Kontakt-1.[1]
T-80UM:Russian version, with new Buran thermal imaging sight in place of the Luna IR.[1]
Object 219A: Early T-80U (Object 219AS) It has the T-80U's turret, but not the Kontakt-5 ERA. Instead, it uses the old Kontakt-1/3 system; some 219As did not have ERA at all. Often misnamed T-80A. T-80U (1985): Further development with a better turret, Kontakt[1]
T-80UD Bereza (1987)Ukrainian diesel version with 1,000-hp 6TD engine and remote-controlled antiaircraft machine gun.[1]
T-84 (1999)Further Ukrainian development of T-80UD with 1,200-hp diesel and new welded turret.[1]
Weapons and payload options · 3Confidence · Source
High Explosives (HE)125 mm ammunition
Med[1]
Range
5 km3 mi · 3 nmi
Quantity
36 total rounds of any 125mm Russian Projectiles
Muzzle velocity
850 m/s
Projectile weight
23 kg
Armour-Piercing Fin-Stabilized Discarding Sabot (APFSDS)125 mm ammunition
Med[1]
Quantity
36 total rounds of any 125mm Russian Projectiles
Muzzle velocity
2,050 m/s
Armor penetration
1,000 mm
Projectile weight
11 kg
High-Explosive Anti-Tank (HEAT)125 mm ammunition
Med[1]
Range
3 km2 mi · 2 nmi
Quantity
36 total rounds of any 125mm Russian Projectiles
Muzzle velocity
915 m/s
Projectile weight
18.4 kg
Armor penetration
Estimated at 800 mm triple charge HEAT
Summary

The T-80BK (Ob'yekt 660) Russian Main Battle Tank (MBT) is a further development of the original T-80, which was produced only in small numbers. The T-80B is the first variant produced in quantity.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Russia
Sources
  1. T-80BK (Ob'yekt 660) Russian Main Battle Tank (MBT), U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import