 | This article needs additional citations for verification. (June 2021) |
| Heavy tank | |
|---|---|
 A Soviet IS-3 heavy tank | |
| Type | Tank |
| Service history | |
| In service | 1910s – 1990s |
A heavy tank is a tank classification produced from World War I to the end of the Cold War. These tanks generally sacrificed mobility and maneuverability for better armour protection and equal or greater firepower than tanks of lighter classes.