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-1
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ⓘ Performance/Price and MASS score are computed across all units in the tanks category, regardless of era.
02 / Specs & Design
◎General4MOD.4
- Tank ClassificationHeavy Tank
- GenerationEarly Cold War
- Combat Weight46 t
- Crew Size4
◈Firepower9MOD.9
- Main Gun Calibre122 mm
- Main Gun TypeRifled
- Main Gun Length (Calibres)46
- Ammunition Stowage45
- Can Fire APFSDSNo
- Can Fire HEATNo
- Can Fire HE-FragYes
- Can Fire ATGMNo
- Coaxial / Secondary MG Count1
▣Protection7MOD.7
- Armour TypeCast Steel
- Hull Front Thickness (Max)110 mm
- Turret Front Thickness (Max)150 mm
- Has ERANo
- Has APSYes
- NBC ProtectionYes
- Smoke GrenadesYes
◇Mobility9MOD.9
- Engine Power500 hp
- Power-to-Weight Ratio10.9 hp/t
- Fuel TypeDiesel
- Transmission TypeManual
- Suspension TypeTorsion Bar
- Max Road Speed37 km/h
- Max Off-Road Speed25 km/h
- Operational Range (Road)200 km
- Fording Depth0.9 m
◆Dimensions4MOD.4
- Length (Hull)9.9 m
- Width3.05 m
- Height2.45 m
- Ground Clearance0.45 m
▤Electronics & Optics8MOD.8
⬢Amphibious & Special3MOD.3
- Snorkel / Deep Wading Depth1.2 m
- Mine Plough CapabilityNo
- Dozer Blade CapabilityNo
▲Production & Service3MOD.3
- Years in Production2 year
- Current Service StatusRetired
- Notable Variants Count2
03 / History
SERVICE LIFESPANRetired
- 1943Entered service
- 1944Production started
- 1945Production ended
82
years in service
1
years in production
1,862
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 1 countries retired it.
05 / MASS Score
TANKS RANKING Tanks · World War II
MASS RANKINGSMASS ↗
ⓘ Rankings are within theTankscategory.
📖 TERMS ON THIS PAGE11terms
Active Protection System. A defensive system that detects and intercepts anti-tank threats.
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.
Nuclear, Biological, Chemical protection for tank crews.
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.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources