The KV-3 is a Tier VII Soviet Heavy Tank.
Coming from the T-150, players will feel right at home with this tank, as it plays very similar. Compared to the IS, this tank is given better armour, as well as better penetrating guns that allow it to better fight tier 9 tanks which it will from time to time face. While it does not have the speed of the IS family, it definitely has a respectable top speed.
It's strengths include it's speed, high alpha damage, and defends well against lower tiers.
It's weaknesses include a long silhouette and low accuracy.