The KV-2 (1940) is a premium gift Soviet heavy tank. It was introduced during the Closed Beta Test for Ground Forces before Update 1.41. The KV-2 (1940) was a reward vehicle for the 2016 WW2 Chronicles and the 2017 Festive Quest events.

One of the most infamous tanks in the Soviet tree, the KV-2 introduces the concept of heavy-calibre armaments that will trend on in the Soviet heavy tank.

The KV-2 is a modification of the KV-1 that mounted a 152 mm howitzer in order to provide support to infantry against fortified positions. The large heavy turret, necessary to mount the 152 mm howitzer, results in a slow traverse time. Its gun is an effective breach weapon, designed to be used against fortifications. Despite effective usage, very few were made, with the majority being lost due to breakdowns.

The KV-2 is a behemoth of a tank, which players feared due to the mighty punch of its 152 mm round and its distinctive profile. However, these traits also serve as the tank's weaknesses. While the KV-2 can still be an effective force on the battlefield, it is currently outperformed by nearly all other Soviet vehicles.

This KV-2 behemoth is also referred to by the following nicknames: the barn, King of Derp, the fridge, Tsar Bomba.