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BT-7

Tanks · Russia · 1935
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BT-7

BT-7
BT-7 Photo: Wikimedia Commons · PD-Ukraine
* Absolute score — assessed within category · no era adjustment
Firepower
30
Protection
20
Mobility
75
Technology
35
Reliability
50
Crew Survivability
25
Operational Range
40
Logistics
60
Historical Performance
45
Strategic Impact
30
Origin Russia
ManufacturerMalyshev Factory
CategoryTanks
EraInterwar Period
In service1935–1940
Operators6 countries
Quantity5,753
Data Quality88%
MASS(Military Archive Scoring System)
39
Tanks MASS Rating
7/106
Interwar Period
277/563
All-Time
Tanks · 10 axes scored
Firepower
30
Protection
20
Mobility
75
Technology
35
Reliability
50
Crew Survivability
25
Operational Range
40
Logistics
60
Historical Performance
45
Strategic Impact
30
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
BT-7
Category
Country
Prime contractor
Production
1935–1940
Quantity
5,753
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · INTERWAR PERIOD
7
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
—
39
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
  • GenerationInterwar
  • Combat Weight13.9 t
  • Crew Size3
  • Service Entry Year1935
◈Firepower7MOD.7
▣Protection7MOD.7
◇Mobility8MOD.8
  • Engine Power450 hp
  • Power-to-Weight Ratio32.37 hp/t
  • Fuel TypePetrol
  • Transmission TypeManual
  • Suspension TypeChristie
  • Max Road Speed72 km/h
  • Max Off-Road Speed50 km/h
  • Operational Range (Road)250 km
◆Dimensions4MOD.4
  • Length (Hull)5.66 m
  • Width2.29 m
  • Height2.42 m
  • Ground Clearance0.305 m
▲Production & Service1MOD.1
  • Current Service StatusRetired
03 / History
SERVICE LIFESPANStill in Service
  1. 1932First deployment: Soviet–Japanese border conflicts
  2. 1935Production started
  3. 1936Entered service
  4. 1940Production ended
91
years in service
5
years in production
5,753
units produced
6
countries operating
ⓘ The producing country still actively operates it.
04 / Conflicts
BT-7 · CONFLICTS SERVED IN33% win·67% loss
Total Conflicts
3
Victories
1
Ongoing
0
Losses
2
ⓘ Shown only from conflicts recorded in our database.
05 / Variants
▚ WEAPON FAMILY
BT-7 1935
// DERIVATIVES
BT-7A 1936
BT-43 1943
06 / Operators
📖 TERMS ON THIS PAGE8terms
Christie suspension is a tank suspension system using large, independently sprung road wheels with coil springs and a hydraulic shock absorber, allowing high speeds and long travel.
High-Explosive Fragmentation: ammunition that explodes on impact, releasing fragments.
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.
A rifled gun has spiral grooves cut into its barrel.
Armour made from steel plates joined by rivets.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Tanks entry →