X
Object 260
Breakthrough Heavy TankThe Object 260, a tier X premium U.S.S.R. heavy tank: its 3D model and photo mode, its armor with hull down and Optimize angling, its characteristics and modules, and the damage its marks of excellence need on EU, NA and ASIA.
Marks of excellence
Combined damage needed · 13 Nov 2026| Server |  1st mark65% |  2nd mark85% |  3rd mark95% | 100%the best |
|---|---|---|---|---|
| EU | 3,0857 d −8 | 4,2367 d −18 | 5,1587 d −15 | 5,8587 d −16 |
| NA | 3,1467 d +14 | 4,3427 d +120 | 5,2597 d +165 | 6,0117 d +251 |
| ASIA | 3,0827 d −1 | 4,0507 d −99 | 4,9237 d −137 | 5,4677 d −261 |
Mastery
Experience needed · 13 Nov 2026| Server |  3rd Classtop 50% |  2nd Classtop 20% |  1st Classtop 5% |  Ace Tankertop 1% |
|---|---|---|---|---|
| EU | 7487 d +2 | 9937 d +3 | 1,1937 d +17 | 1,3277 d −23 |
| NA | 7807 d +9 | 1,0127 d +19 | 1,2217 d +31 | 1,3597 d +47 |
| ASIA | 7607 d +50 | 9797 d +5 | 1,1867 d +38 | 1,3507 d +96 |
Historical reference
A version of the Object 260 heavy tank. The design plans were completed in September 1945, but no prototypes were manufactured.