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Object 257 - World of Tanks

Tank from UssrObject 257Heavy tank Tier 9Breakthrough Heavy Tank Breakthrough Heavy Tank

A project of the heavy tank designated IS-7 that was developed in 1945. The vehicle was supposed to feature an electromechanical transmission. Development was discontinued at the documentation design stage. Existed only in blueprints.

Marks of Excellence requirements for Object 257: beta

1639
2354
2954
100%3440

Overtank offers Gun Marks for every tank, and various other services such as coaching. Interested? Visit Overtank

Shots required to get MoE (per battle)Show guns

122 mm BL-9 (257) 122 mm BL-9 (257) (damage per shot: 390):

5
7
8
9

122 mm BL-13-1 (257) 122 mm BL-13-1 (257) (damage per shot: 440):

4
6
7
8

Mastery badges for Object 257 - base XP needed:

Mastery Badge: III class - Earn more experience in a single battle than the average highest experience of 50% of all players in the same tank within the last seven days.655
Mastery Badge: II class - Earn more experience in a single battle than the average highest experience of 80% of all players in the same tank within the last seven days.883
Mastery Badge: I class - Earn more experience in a single battle than the average highest experience of 95% of all players in the same tank within the last seven days.1102
Mastery Badge: Ace Tanker - Earn more experience in a single battle than the average highest experience of 99% of all players in the same tank within the last seven days.1286

WoT Object 257 equipment

Object 257 equipment builds for World of Tanks. Equipment based on Skill4ltu and Yzne configurations.

Target damage WN8 for Object 257:

930
1480
2340
2870

Shots required to get target damage (per battle)Show guns

122 mm BL-9 (257) 122 mm BL-9 (257) (damage per shot: 390):

3
4
6
8

122 mm BL-13-1 (257) 122 mm BL-13-1 (257) (damage per shot: 440):

3
4
6
7

Expected values for Object 257:

Expected
frags:
0.86

Expected
spot
1.11

Expected
defense points
0.57

Expected
winrate
51.98%

WOT Object 257 field modifications

II
IV
V
VII

Tier VIII field modification
available for tier X tanks

Bonus of Standard Modifications

+3% to vehicle hit points

+1% to engine power

Changes to technical characteristics

+7% to maintaining speed when crossing all terrain types

-5% to hull traverse speed

-10% to suspension durability

-3% to the aiming circle size

-5% to aiming speed

+3% to view range

+15% to additional stun duration

+10% to stun duration

other tanks from tier 9

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