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T-40
Photo: No machine-readable author provided. Saiga20K assumed (based on copyright claims). · Wikimedia Commons · CC BY-SA 3.0
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T-40

Tanks · Russia · 1941
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T-40

T-40
T-40 Photo: No machine-readable author provided. Saiga20K assumed (based on copyright claims). · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Firepower
10
Protection
5
Mobility
60
Technology
5
Reliability
40
Crew Survivability
15
Operational Range
30
Logistics
50
Historical Performance
20
Strategic Impact
5
Origin Russia
ManufacturerNIIDAR
CategoryTanks
EraWorld War II
In service1941–1941
Operators1 countries
Quantity962
Data Quality85%
MASS(Military Archive Scoring System)
21
Tanks MASS Rating
129/140
World War II
502/563
All-Time
Tanks · 10 axes scored
Firepower
10
Protection
5
Mobility
60
Technology
5
Reliability
40
Crew Survivability
15
Operational Range
30
Logistics
50
Historical Performance
20
Strategic Impact
5
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
T-40
Category
Country
Prime contractor
Production
1941–1941
Quantity
962
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · WORLD WAR II
129
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
—
21
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 ClassificationLight Tank
  • GenerationWW2
  • Combat Weight5.9 t
  • Crew Size2
  • Service Entry Year1941
◈Firepower6MOD.6
▣Protection6MOD.6
◇Mobility7MOD.7
  • Engine Power85 hp
  • Power-to-Weight Ratio12 hp/t
  • Fuel TypePetrol
  • Transmission TypeManual
  • Suspension TypeTorsion Bar
  • Max Road Speed45 km/h
  • Operational Range (Road)450 km
◆Dimensions3MOD.3
  • Length (Hull)4.1 m
  • Width2.33 m
  • Height1.9 m
⬢Amphibious & Special3MOD.3
▲Production & Service3MOD.3
  • Years in Production2 year
  • Current Service StatusRetired
  • Notable Variants Count2
03 / History
SERVICE LIFESPANStill in Service
  1. 1936Entered service
  2. 1939First deployment: World War II
  3. 1941Production started
85
years in service
0
years in production
962
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE7terms
A tank with reduced armor and weight for increased 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 refined product derived from crude oil, used as a fuel for internal combustion engines. A volatile, flammable liquid mixture of hydrocarbons.
Armour made from steel plates joined by rivets.
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 →