Object 257 - Equipment, target damage WN8, Mastery & MoE requirements - World of Tanks

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Object 257 - World of Tanks

Object 257 Tier 9 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

1622

2348

2950

100%3438

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Shots required to get MoE (per battle)Show guns

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

5

7

8

9

122 mm BL-13-1 A (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.

634

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.

865

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.

1099

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.

1398

WoT Object 257 equipment builds

Improved Ventilation

Gun Rammer

Vertical Stabilizer

Improved Hardening

Gun Rammer

Vertical Stabilizer

Coated Optics

Gun Rammer

Vertical Stabilizer

Survival Improvement Suite

Stabilizing Equipment System

Innovative Loading System

Survival Improvement Suite

Venting System

Innovative Loading System

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

Target damage WN8 for Object 257:

930

1480

2350

2870

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

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

3

4

7

8

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

3

4

6

7

Expected
frags:
0.86

Expected
spot
1.11

Expected
defense points
0.57

Expected
winrate
52.04%

WOT Object 257 field modifications

All-Terrain Suspension

II

Lightweight Suspension

Parallax Adjustment

IV

Aiming Gears Lapping

Sound Insulation

V

Periscope Electric Drive

Power Supply Rewiring (Setup 1)

VII

Power Supply Rewiring (Setup 2)

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

SDP 60 Gonkiewicza - Poland (Tier 9 Tank destroyer)

SDP 60 Gonkiewicza

Type 61 - Japan (Tier 9 Medium tank)

Type 61

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