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Overview[]

The KV-221 (Ob"yekt 221), also known as T-221, is a Soviet prototype heavy tank developed in the early 1940s.

Naming[]

Name Description
Ob. 223 "Object" designation.
KV-221 KV designation, which fits the digits of the Ob. 221 designation.
T-221 T designation, which fits the digits of the Ob. 221 designation.

Variants[]

KV
Prototype ???.
KV-1 obr. 1939g.
KV-1 obr. 1940g.
KV-1 obr. 1941g.
KV-1 obr. 1942g.
KV-2
Model with new turret and armed with a 152mm gun.
KV-220 — Ob. 220 / T-220 / KV-4
Prototype with new turret and 85mm gun.
KV-221 — Ob. 221
Prototype ???.
KV-222 — Ob. 222
Prototype ???.
KV-3 — Ob. 223
Prototype ???.
KV-4 — Ob. 224
Prototype ???.
KV-5 — Ob. 225
Prototype ???.
KV-6 — Ob. 226
Chemical tank ???.
KV-7 — Ob. 227
Prototype ???.
KV-8 — Ob. 228
Flamethrower tank.
KV-8S — Ob. 235
Flamethrower tank.
KV-9 — Ob. 229
Prototype ???.
KV-10 — Ob. 230 / KV-1K
Prototype ???.
KV-11 — Ob. 231
Prototype ???.
KV-12 — Ob. 232
Prototype ???.
KV-13 — Ob. 233
Prototype for the IS series.
IS-1 — Ob. 233IS
Prototype for the IS series.
KV-13 — Ob. 234
Prototype for the IS series.
IS-2 — Ob. 234IS
Prototype for the IS series.
SU-152 — Ob. 236 / KV-14
KV-85 — Ob. 239
Prototype with 85mm gun.
KV-85G — Ob. 238
Prototype with 85mm gun.
Ob. 218
KV-2 with 45mm main gun and minesweeping equipment.
Kirov Plant Products
Land Vehicles Kirov
Bridge Layer IT-28
Heavy Tank IS-1IS-2 (M)IS-7KV-1KV-2KV-3KV-4KV-5KV-6KV-7KV-8KV-9KV-10KV-11KV-12KV-13KV-85 (G)KV-220KV-221KV-222Ob. 220Ob. 221Ob. 222Ob. 223Ob. 224Ob. 225Ob. 226Ob. 227Ob. 228Ob. 229Ob. 230Ob. 231Ob. 232Ob. 233 (IS)Ob. 234 (IS)Ob. 235Ob. 237Ob. 238Ob. 239Ob. 240 (M)T-10 (ABMMK)
Main Battle Tank T-80 obr. 1976g. (ATBBABMBVBV-RMBVMUUAUYe-1UMUM1)
Self-Propelled Gun ISU-122 (-1-2-3S)ISU-130ISU-152 (-1-2)KV-14Ob. 236Ob. 241SU-152SU-212
Flag of the USSR (1936 to 1955) Soviet Union
Land Vehicles
Interwar & World War II Period (1919 — 1945)
Tracked Vehicles
Light Tanks Tankettes PPGT-17T-21T-23T-27
Standard Light Tanks GAZ-70LTGLTPLTTBNIObj. 211Obj. 217T-18 (M)T-26 (193119321933193719381939-1-4)T-30T-45T-50T-53T-60 (12ZiS-19)T-70 (M)T-80T-118TT-126T-127
Amphibious Light Tanks PT-1 (A)T-5PChT-36T-37 1933T-37 1934T-38T-39T-40T-41T-43 (-1-2)TM
Flamethrower & Chemical Light Tanks KhBT-7OT-7OT-26OT-130OT-131OT-132OT-133OT-134
Remote Controlled Light Tanks TTBT-7TT-26TU-26
Utility Light Tanks BT-DTSBT
Cavalry/Fast Tanks Ob. A-8Ob. A-20
BDT-1BT-1BT-2BT-2ISBT-3BT-4BT-5 (AISPKh)BT-6BT-7 (M)BT-20D-38MT-25T-46
Command Light Tanks BT-TUKBT-7T-26PT
Medium Tanks Standard Medium Tanks Ob. A-20Ob. A-32Ob. A-34Ob. A-43Ob. A-44
KV-13T-22T-24T-28 (193219341938E 19381940)T-29T-34 (GKS)T-43T-44T-112
Flamethrowing Medium Tanks OT-28OT-34OT-34-85
Heavy Tanks Standard Heavy Tanks Ob. 103Ob. 220Ob. 221Ob. 222Ob. 223Ob. 224Ob. 225Ob. 226Ob. 227Ob. 228Ob. 229Ob. 230Ob. 231Ob. 232Ob. 233 (IS)Ob. 234 (IS)Ob. 235Ob. 237Ob. 238Ob. 239Ob. 240 (M)Ob. 244Ob. 245Ob. 248Ob. 252Ob. 253
IS-1IS-2IS-3IS-4IS-5IS-6IS-7KV-1 (19391940E 194019411942S 1942)KV-3KV-4KV-5KV-7KV-9KV-10KV-11KV-85 (G)KV-100KV-122KV-220KV-221KV-222Ob. 100SMKT-32T-35-1T-35-2T-35AT-35BT-39T-100 (Z)T-150U-14
Flamethrowing Heavy Tanks KV-8KV-8S KV-8MKV-12
Self-Propelled Guns SPAA GAZ-72SU-8SU-11SU-17SU-72T-60-ZT-70-ZT-90ZSU-37ZUT-37
SPATG Ob. 242Ob. 243Ob. 249Ob. 251
GAZ-71ISU-122 (-1-2-3S)KhTZ-16OSU-76SU-26SU-31SU-71SU-76 (M)SU-76iSU-85 (M)SU-85iSU-85BSU-100SU-101SU-102SU-122PSU-122-44ZiS-30
SPG Ob. 212Ob. 236Ob. 241 (KM)Ob. 246Ob. 247Ob. 250
BT-5ABT-5ATBT-7AISU-130ISU-152 (-1-2)KV-2KV-14Ob. 212OSU-76SU-1SU-3SU-6SU-7SU-10SU-14-2SU-18SU-45SU-100-YSU-122 (-3M)SU-130SU-152SU-212T-26-4
SPH AT-1S-51SU-2SU-5 (-1-2-3)SU-14
SPRA BM-8-24KV-10RBT-5
Miscellaneous Bridge-related IT-26IT-28ST-26
Prime Movers BT-5PBT-20 KomsomoletsT-26TT-26T2
Half-Tracked Vehicles
Combat Armoured Cars BA-30BA-64Z
SPAA M15A1 CGMCZiS-42ZSU-17
SPATG GAZ-TKSU-57ZiS-41
Utility Transport Autocar 2½-ton HalftrackB-3GAZ-60M2 HalftrackM5 HalftrackNATI-3ZiS-22ZiS-33ZiS-35ShZiS-42ZiS-42M
Wheeled Vehicles
Combat Armoured Cars BA-IBA-3BA-5BA-6 (M)BA-9BA-10 (M)BA-11 (D)BA-20BA-21BA-27 (M)BA-64BA-NATIBADBAD-2D-8D-12D-13FA-2FAI (M)GAZ-TKPB-4PB-7LB-23LB-62
Railroad Armoured Cars BA-6 ZhDBA-10 ZhD (M)BA-20 ZhDBA-64 ZhDBAD-2 ZhDFAI ZhD
SPAA ZSU TKB-149
SPATG KSP-76SD-57 (N)ZiS-31
SPH SU-1-12SU-12
SPG SU-4
SPRA BM-13-16
Utility APC BA-64E
Medical BA-22
Motorcycles BSA-M20
Transport GAZ-63
Trailers KP-42KP-43
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