Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the self-propelled artillery category.
01 / Overview
M12 Gun Motor Carriage
Category
Country
Production
1942–1943
Quantity
100
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
SELF-PROPELLED ARTILLERY · WORLD WAR II
24
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
◎General6MOD.6
- Service Entry Year1942
- Combat Weight26,762 kg
- Travel Weight26,762 kg
- Crew6
- Carriage TypeSelf-Propelled
- In ServiceYes
◈Ordnance7MOD.7
- Calibre155 mm
- Barrel Length (calibres)45
- Ordnance TypeM1917, M1918, or M1918M1 gun
- Breech TypeSliding Block
- Recoil SystemHydro-Spring
- Muzzle BrakeNo
- Bore EvacuatorNo
▣Performance5MOD.5
- Maximum Range (standard)18 km
- Muzzle Velocity657 m/s
- Rate of Fire (sustained)1
- Elevation-5 to +30 degrees
- Traverse14 degrees
◇Ammunition8MOD.8
- Projectile Weight43 kg
- Ammunition TypesHE
- HE RoundYes
- Smoke RoundNo
- Illumination RoundNo
- Cluster / DPICMNo
- Precision-Guided RoundNo
- MRSI CapableNo
◆Fire Control5MOD.5
▤Mobility7MOD.7
- Self-PropelledYes
- Prime MoverM3 Grant chassis
- Shoot-and-ScootNo
- Road Speed (if SP)35 km/h
- Range (if SP)225 km
- AutoloaderNo
- Protected Crew CabNo
⬢Ammunition Handling3MOD.3
- Ready Rounds10
- Total Rounds Carried50
- Resupply VehicleM30 cargo carrier
▲Dimensions3MOD.3
- Length6.7 m
- Width2.67 m
- Height2.88 m
◎Production2MOD.2
- Total Production100
- Production Start1,942 year
◈Self-Propelled Chassis5MOD.5
- Engine Power350 hp
- SuspensionVertical volute spring suspension (VVSS)
- Hull Armour0.5 to 2 inches
- Secondary Armament.50-caliber M2 Browning machine gun
- NBC ProtectionNo
03 / History
SERVICE LIFESPANRetired
- 1939First deployment: World War II
- 1942Production started
- 1943Production ended
84
years in service
1
years in production
100
units produced
0
countries operating
ⓘ 1 countries retired it.
05 / MASS Score
SELF-PROPELLED ARTILLERY RANKING Self-Propelled Artillery · World War II
MASS RANKINGSMASS ↗
108SELF-PROPELLED ARTILLERY24WORLD WAR II · SELF-PROPELLED ARTILLERY1952UNITED STATES · ALL WEAPONS52PERFORMANCE/PRICE · SELF-PROPELLED ARTILLERY
ⓘ Rankings are within theSelf-Propelled Artillerycategory.
📖 TERMS ON THIS PAGE4terms
High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.
Artillery system with integrated propulsion, enabling movement under its own power rather than being towed.
A breech mechanism in artillery where a solid block slides horizontally to open and close the breech for loading.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources