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Stridsvagn m/31
Photo: P4 Skaraborg · Wikimedia Commons · Public domain
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Stridsvagnm/31

Tanks · Sweden · 1933
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Stridsvagnm/31

Stridsvagn m/31
Stridsvagn m/31 Photo: P4 Skaraborg · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Firepower
10
Protection
5
Mobility
25
Technology
15
Reliability
20
Crew Survivability
10
Operational Range
30
Logistics
40
Historical Performance
5
Strategic Impact
5
Origin Sweden
CategoryTanks
EraInterwar Period
In service1933–1935
Operators1 countries
Quantity3
Data Quality85%
MASS(Military Archive Scoring System)
15
Tanks MASS Rating
97/106
Interwar Period
543/563
All-Time
Tanks · 10 axes scored
Firepower
10
Protection
5
Mobility
25
Technology
15
Reliability
20
Crew Survivability
10
Operational Range
30
Logistics
40
Historical Performance
5
Strategic Impact
5
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
Stridsvagn m/31
Category
Country
Production
1933–1935
Quantity
3
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · INTERWAR PERIOD
97
PERFORMANCE/PRICE
10
UNIT COST (2025 USD)
—
15
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 ClassificationMedium Tank
  • GenerationInterwar
  • Combat Weight11 t
  • Crew Size4
  • Service Entry Year1935
◈Firepower8MOD.8
▣Protection7MOD.7
◇Mobility7MOD.7
  • Engine Power150 hp
  • Power-to-Weight Ratio13.64 hp/t
  • Fuel TypePetrol
  • Transmission TypeManual
  • Suspension TypeLeaf Spring
  • Max Road Speed40 km/h
  • Operational Range (Road)150 km
◆Dimensions4MOD.4
  • Length (Hull)5.2 m
  • Length (Overall, Gun Forward)5.2 m
  • Width2.15 m
  • Height2.22 m
▲Production & Service4MOD.4
  • Total Production Units3
  • Years in Production1 year
  • Current Service StatusPrototype Only
  • Notable Variants Count1
03 / History
SERVICE LIFESPANStill in Service
  1. 1931Entered service
  2. 1933Production started
  3. 1935Production ended
  4. 1939First deployment: World War II
93
years in service
2
years in production
3
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Inventory1country · 10units
10active
📖 TERMS ON THIS PAGE8terms
High-Explosive Fragmentation: ammunition that explodes on impact, releasing fragments.
A leaf spring is a simple spring made of one or more flexible metal strips bound together, used to absorb shocks and support weight in vehicle suspension, including some tanks.
Manual: a tank transmission in which the driver selects gear changes manually, typically using a clutch pedal and gear lever to engage gears.
A tank with medium weight and armor, balancing mobility and firepower.
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 →