Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
IS-4
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ⓘ 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
- GenerationEarly Cold War
- Combat Weight59 t
- Crew Size4
- Service Entry Year1946
◈Firepower3MOD.3
- Main Gun Calibre122 mm
- Main Gun TypeRifled
- Main Gun Length (Calibres)54
▣Protection3MOD.3
- Armour TypeWelded Rolled Homogeneous Armour (RHA)
- Turret Front Thickness (Max)250 mm
- Smoke GrenadesYes
◇Mobility7MOD.7
- Engine Power750 hp
- Power-to-Weight Ratio13 hp/t
- Fuel TypeDiesel
- Transmission TypeManual
- Suspension TypeTorsion Bar
- Max Road Speed43 km/h
- Operational Range (Road)100 km
◆Dimensions3MOD.3
- Length (Hull)9.7 m
- Width3.26 m
- Height2.48 m
▤Electronics & Optics1MOD.1
- FCS GenerationManual Optical
⬢Production & Service1MOD.1
- Years in Production3 year
03 / History
SERVICE LIFESPANRetired
- 1946Production started
- 1949Production ended
80
years in service
3
years in production
200
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 1 countries retired it.
05 / MASS Score
TANKS RANKING Tanks · Early Cold War
MASS RANKINGSMASS ↗
ⓘ Rankings are within theTankscategory.
📖 TERMS ON THIS PAGE8terms
Type of internal combustion engine fuel, refined from crude oil.
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.
Handheld or vehicle-mounted devices that release dense smoke to obscure vision, conceal movements, or screen friendly forces from enemy observation.
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.
Armour made by welding and rolling homogeneous steel plates.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources