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BT-7A
Photo: Ministry of Defence of the Russian Federation · Wikimedia Commons · CC BY 4.0
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BT-7A

Tanks · Russia · 1936
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BT-7A

BT-7A
BT-7A Photo: Ministry of Defence of the Russian Federation · Wikimedia Commons · CC BY 4.0
* Absolute score — assessed within category · no era adjustment
Firepower
28
Protection
12
Mobility
48
Technology
22
Reliability
25
Crew Survivability
10
Operational Range
32
Logistics
20
Historical Performance
18
Strategic Impact
15
Origin Russia
CategoryTanks
EraInterwar Period
In service1936
Operators10 countries
Quantity154
Data Quality88%
MASS(Military Archive Scoring System)
23
Tanks MASS Rating
67/106
Interwar Period
481/563
All-Time
Tanks · 10 axes scored
Firepower
28
Protection
12
Mobility
48
Technology
22
Reliability
25
Crew Survivability
10
Operational Range
32
Logistics
20
Historical Performance
18
Strategic Impact
15
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
BT-7A
Category
Country
Production
1936–
Quantity
154
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · INTERWAR PERIOD
67
PERFORMANCE/PRICE
58
UNIT COST (2025 USD)
—
23
tanks category
ⓘ Performance/Price and MASS score are computed across all units in the tanks category, regardless of era.
02 / Specs & Design
◎General4MOD.4
  • Tank ClassificationLight Tank
  • GenerationInterwar
  • Combat Weight14.5 t
  • Crew Size3
◈Firepower2MOD.2
  • Main Gun Calibre76.2 mm
  • Main Gun TypeRifled
▣Protection1MOD.1
◇Mobility7MOD.7
  • Engine Power500 hp
  • Power-to-Weight Ratio34 hp/t
  • Fuel TypePetrol
  • Transmission TypeManual
  • Suspension TypeChristie
  • Max Road Speed86 km/h
  • Operational Range (Road)250 km
◆Dimensions3MOD.3
  • Length (Hull)5.66 m
  • Width2.29 m
  • Height2.52 m
▤Electronics & Optics3MOD.3
⬢Amphibious & Special1MOD.1
▲Production & Service1MOD.1
  • Total Production Units154
03 / History
SERVICE LIFESPANStill in Service
  1. 1936Production started
90
years in service
154
units produced
1
countries operating
ⓘ The producing country still actively operates it. 9 countries retired it.
04 / Variants
▚ WEAPON FAMILY
BT-7 1935
BT-7A 1936
// SIBLING VARIANTS
BT-43 1943
05 / Operators
📖 TERMS ON THIS PAGE7terms
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.
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 by welding and rolling homogeneous steel plates.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Tanks entry →