Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the self-propelled artillery category.
01 / Overview
M56 Scorpion
Category
Country
Prime contractor
Production
1953–1959
Quantity
325
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
SELF-PROPELLED ARTILLERY · EARLY COLD WAR
7
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the self-propelled artillery category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- Service Entry Year1953
- Combat Weight7,100 kg
- Travel Weight6,400 kg
- Crew4
- Carriage TypeSelf-Propelled
◈Ordnance2MOD.2
- Calibre90 mm
- Ordnance Type90 mm M54 Gun
▣Performance1MOD.1
- Maximum Range (standard)225 km
◇Mobility3MOD.3
- Self-PropelledYes
- Road Speed (if SP)45 km/h
- Range (if SP)225 km
◆Ammunition Handling1MOD.1
- Ready Rounds29
▤Dimensions3MOD.3
- Length4.55 m
- Width2.57 m
- Height2.05 m
⬢Production1MOD.1
- Total Production325
▲Self-Propelled Chassis5MOD.5
- Engine Power200 hp
- TransmissionAllison CD-150-4, 2 ranges forward, 1 reverse
- SuspensionTorsion tube over bar at wheels 1 and 4, torsion bar at wheels 2 and 3
- Hull Armourunarmored except for blast shield
- NBC ProtectionNo
03 / History
SERVICE LIFESPANStill in Service
- 1945First deployment: Cold War
- 1953Production started
- 1959Production ended
- 1965Sale: Spain (5 units)
- 1966Sale: Morocco (87 units)
73
years in service
6
years in production
325
units produced
4
countries operating
ⓘ The producing country still actively operates it. 1 countries retired it.
04 / Conflicts
M56 SCORPION · CONFLICTS SERVED IN50% win
Total Conflicts
2
Victories
1
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Operators
M56 ScorpionSALES3records
| Year | Buyer | Quantity | Amount | Present Value (2025) |
|---|---|---|---|---|
| 1966 |  Morocco | 87 | — | — |
| 1965 |  Spain | 5 | — | — |
| — |  South Korea | 60 | — | — |
ⓘ "Present Value" is an estimated amount adjusted for inflation.
06 / MASS Score
SELF-PROPELLED ARTILLERY RANKING Self-Propelled Artillery · Early Cold War
MASS RANKINGSMASS ↗
139SELF-PROPELLED ARTILLERY7EARLY COLD WAR · SELF-PROPELLED ARTILLERY2184UNITED STATES · ALL WEAPONS52PERFORMANCE/PRICE · SELF-PROPELLED ARTILLERY
ⓘ Rankings are within theSelf-Propelled Artillerycategory.
📖 TERMS ON THIS PAGE1terms
Artillery system with integrated propulsion, enabling movement under its own power rather than being towed.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources