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SECTION 10 // ARMOR / VEHICLE PROFILEREF · IS
VII
IS
USSR·
Heavy Tank·HT breakThe IS-1 (IS-85) heavy tank was a thorough modernization of the KV-1. The tank featured the 85-mm D-5T gun. The IS-1 entered mass production in October 1943, but work was discontinued at the beginning of 1944, as the IS-2 (IS-122) tank entered mass production in December 1943. A total of 107 vehicles were manufactured.
Configuration
Health
1,350
DPM
1,902
View range
350m
Speed
34km/h
Camo
29Poor
Mark of Excellence requirementsCombined dmg + assist · NA · 2026-07-12
3 marks · 95%
2,073
2 marks · 85%
1,666
1 mark · 65%
1,146
A-01 · ARMOR SCHEMA
Armor thicknessMeasured
Nominal plate thickness straight from the game client. Click any plate to highlight it on the 3D model and focus the camera on it.
Armor
20mm140mm
Hull
All 15 plates
Turret 2 of 2
All 14 plates
A-02 · SPECIFICATIONS
Specifications
Builds
Grade
Experimental
CrewShared perks
Field mods
Lv 0/5
Weaponry
- DPM
- 1,902
- Damage
- 390
- Penetration
- 175 mm
- … at 500m
- 152 mm
- Reload time
- 12.30 s
- Rate of fire
- 4.88/min
- Aim time
- 3.40 s
- Dispersion
- 0.460 m
- … moving
- 0.210
- … tank traverse
- 0.210
- … turret traverse
- 0.160
- … after firing
- 4.0
- Damage vs. modules
- 165
- Caliber
- 122.0 mm
- Shell velocity
- 780 m/s
- Max range
- 720 m
- Ammo capacity
- 28
- Potential damage
- 10,920
- Shell cost
- 1,025 cr
Mobility
- Top speed
- 34 km/h
- Reverse speed
- 14 km/h
- Power/weight
- 16.22 hp/t
- Tank traverse
- 42.0 °/s
- Turret traverse
- 28.0 °/s
- Effective top speed
- … hard
- 34.0 km/h
- … medium
- 34.0 km/h
- … soft
- 28.2 km/h
- Effective traverse
- … hard
- 42.0 °/s
- … medium
- 33.0 °/s
- … soft
- 20.1 °/s
- Gun elevation
- 25 °
- Gun depression
- 6 °
- Gun traverse range
- 360°
- Terrain resistance
- … hard
- 1.10
- … medium
- 1.40
- … soft
- 2.30
Everything Else
- Hull armor
- 120 / 90 / 60
- Turret armor
- 100 / 90 / 90
- Health
- 1,350
- Engine health
- 370
- … repaired
- 185
- Track health
- 190
- … repaired
- 145
- … repair time
- 6.86 s
- Ammo rack health
- 180
- … repaired
- 120
- Fuel tank health
- 175
- … repaired
- 70
- Total weight
- 46,230 kg
- Stationary camo
- 6.95 / 1.46%
- Moving camo
- 3.50 / 0.73%
- View range
- 350 m
- Fire chance
- 12%
- Tank cost
- 1,424,000 cr
Gun Constraints
360° traverse
Crew
CommanderRadio Operator
Gunner
Driver
Loader
A-03 · MODULE RESEARCH
Module research
Guns
VI
Stock
85 mm D-5T (IS)
VII
16,500
100 mm D-10T (IS)
A-04 · SERVER PERFORMANCE
Server performance
Aggregate stats from NA players over the last 30d
Avg WN8
1452
Good
Avg WNX
1545
Good
Win rate
20.0%
Terrible
DPG
1148
Frags
0.80
Spots
1.00
Survival
20.0%
Dmg taken
1315
Hit rate
60.9%
Spot assist
252
Track assist
0
Defense
0.00
Avg XP
550
Aggregated from 4 tracked NA players · 5 battles. Coverage grows as more players are tracked.
MoE thresholds (combined dmg + assist)
65%1,146
85%1,666
95%2,073
Reach these combined damage (dealt + assist) values over a rolling window to earn marks of excellence.
A-05 · TOP OPERATORS
A-06 · VIDEO INTEL
Video reviews
Curated reviews, replays, and guides from veteran players
No videos yet
Expert reviews and gameplay clips will appear here as they're published.
A-07 · SIMILAR HULLS
A-08 · CHANGELOG
Balance changelog
Patch-by-patch changes to this tank
- 2.0Sep 1, 2025
- ·Traverse speed32→386
- ·Mobility on medium terrain+18%
- ·Mobility on soft terrain+12%
- ·Traverse speed35→427
- ·EngineV-2IS→V-2 (IS)
- ·Power600→700100
- ·EngineV-2-54IS→V-2-54 (IS)
