Kliment Voroshilov tank KV and other heavy Soviet tanks compared Soviet heavy tanks of World War II

| T_35 | T_100 | KV_1_M1940 | KV_1_M1941 | KV_1_M1942 | KV_1S_M1942 | KV_85_M1943 | IS_2_M1945 | IS_3_M1945 |
|---|---|---|---|---|---|---|---|---|
| 11 | 7 | 5 | 5 | 5 | 5 | 4 | 4 | 4 |
| 45 | 58 | 43 | 45 | 47 | 42.5 | 46 | 46 | 46.5 |
| 76.2mm M. 27/32 | 76.2mm L-11 | 76.2mm F-32 | 76.2mm F-34 | 76.2mm ZiS-5 | 76.2mm ZiS-5 | 85mm D-5T | 122mm D-25T | 122mm D-25T |
| 100 | – | 111 | 111 | 114 | 114 | 70 | 28 | 28 |
| 2×45mm 5×7.62mm | 45mm | 2× DT | 4×DT | 4×DT | 4×DT | 3×DT | 2×DT, DShK | 2×DT, DShK |
| 500hp M-17M gasoline | 500hp | 600hp V-2K diesel | 600hp V-2 | 600hp V-2 | 600hp V-2 | 600hp V-2 | 600hp V-2 | 600hp V-2-IS |
| 910 | – | 600 | 600 | 600 | 975 | 975 | 820 | 520 + 270 |
| 30 | 35 | 35 | 35 | 28 | 45 | 40 | 37 | 37 |