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IS-3
Photo: Paul Hermans · Wikimedia Commons · CC BY-SA 3.0
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IS-3

Tanks · Russia · 1945
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IS-3

IS-3
IS-3 Photo: Paul Hermans · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Firepower
85
Protection
80
Mobility
50
Technology
40
Reliability
75
Crew Survivability
70
Operational Range
60
Logistics
65
Historical Performance
70
Strategic Impact
75
Origin Russia
ManufacturerChelyabinsk Tractor Plant
CategoryTanks
EraWorld War II
In service1945–1947
Operators7 countries
Quantity2,311
Data Quality88%
MASS(Military Archive Scoring System)
68
Tanks MASS Rating
4/140
World War II
59/563
All-Time
Tanks · 10 axes scored
Firepower
85
Protection
80
Mobility
50
Technology
40
Reliability
75
Crew Survivability
70
Operational Range
60
Logistics
65
Historical Performance
70
Strategic Impact
75
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
IS-3
Category
Country
Production
1945–1947
Quantity
2,311
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · WORLD WAR II
4
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
—
68
tanks category
ⓘ Performance/Price and MASS score are computed across all units in the tanks category, regardless of era.
02 / Specs & Design
◎General5MOD.5
  • Tank ClassificationHeavy Tank
  • GenerationWW2
  • Combat Weight45.8 t
  • Crew Size4
  • Service Entry Year1945
◈Firepower8MOD.8
▣Protection7MOD.7
◇Mobility7MOD.7
  • Engine Power520 hp
  • Power-to-Weight Ratio11.35 hp/t
  • Fuel TypeDiesel
  • Transmission TypeManual
  • Suspension TypeTorsion Bar
  • Max Road Speed37 km/h
  • Operational Range (Road)150 km
◆Dimensions5MOD.5
  • Length (Hull)9.725 m
  • Length (Overall, Gun Forward)9.725 m
  • Width3.07 m
  • Height2.44 m
  • Ground Clearance0.46 m
▲Production & Service4MOD.4
  • Total Production Units2,311
  • Years in Production2 year
  • Current Service StatusRetired
  • Notable Variants Count1
03 / History
SERVICE LIFESPANStill in Service
  1. 1939First deployment: World War II
  2. 1945Production started
  3. 1947Production ended
81
years in service
2
years in production
2,311
units produced
4
countries operating
ⓘ The producing country still actively operates it. 3 countries retired it.
04 / Conflicts
IS-3 · CONFLICTS SERVED IN0% win
Total Conflicts
1
Victories
0
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Variants
▚ WEAPON FAMILY
IS-2 1944
IS-3 1945
// SIBLING VARIANTS
Object 704 1945
ISU-130 1946
06 / Operators
📖 TERMS ON THIS PAGE8terms
Steel alloy cast into shape for armour applications.
Type of internal combustion engine fuel, refined from crude oil.
High-Explosive Fragmentation: ammunition that explodes on impact, releasing fragments.
A tank with heavy armor and firepower, prioritizing protection over mobility.
Manual: a tank transmission in which the driver selects gear changes manually, typically using a clutch pedal and gear lever to engage gears.
A fire control system relying on optical sights and manual input for aiming and range estimation without computer assistance.
A rifled gun has spiral grooves cut into its barrel.
A torsion bar is a steel rod that resists twisting and serves as a spring in tank suspensions, with one end fixed to the hull and the other connected to a lever arm moving the road wheel.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Tanks entry →