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Medium Mark D
Photo: Unknown author · Wikimedia Commons · Public domain
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MediumMarkD

Tanks · United Kingdom · 1919
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MediumMarkD

Medium Mark D
Medium Mark D Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Firepower
5
Protection
15
Mobility
30
Technology
25
Reliability
20
Crew Survivability
10
Operational Range
25
Logistics
30
Historical Performance
10
Strategic Impact
5
Origin United Kingdom
CategoryTanks
EraInterwar Period
In service1919–1923
Operators1 countries
Quantity4
Data Quality84%
MASS(Military Archive Scoring System)
17
Tanks MASS Rating
94/106
Interwar Period
537/563
All-Time
Tanks · 10 axes scored
Firepower
5
Protection
15
Mobility
30
Technology
25
Reliability
20
Crew Survivability
10
Operational Range
25
Logistics
30
Historical Performance
10
Strategic Impact
5
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
Medium Mark D
Category
Production
1919–1923
Quantity
4
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · INTERWAR PERIOD
94
PERFORMANCE/PRICE
15
UNIT COST (2025 USD)
—
17
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 ClassificationMedium Tank
  • GenerationWW1
  • Combat Weight20 t
  • Service Entry Year1919
▣Protection5MOD.5
◇Mobility4MOD.4
  • Engine Power240 hp
  • Power-to-Weight Ratio12 hp/t
  • Fuel TypePetrol
  • Max Road Speed32 km/h
◆Dimensions2MOD.2
  • Length (Hull)9.7 m
  • Width2.7 m
⬢Amphibious & Special3MOD.3
▲Production & Service4MOD.4
  • Total Production Units4
  • Years in Production4 year
  • Current Service StatusRetired
  • Notable Variants Count4
03 / History
SERVICE LIFESPANRetired
  1. 1919Production started
  2. 1923Production ended
107
years in service
4
years in production
4
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 1 countries retired it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE5terms
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.
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 →