M12
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|gun2=7, 155mm Gun M1A1, 950/950, 88/90, 3.85, 130800, 7500 | |gun2=7, 155mm Gun M1A1, 950/950, 88/90, 3.85, 130800, 7500 | |||
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{{History|info= | {{History|info= | |||
? | [[image:M12_France.jpg|thumb| | + | [[image:M12_France.jpg|thumb|200px|right|M12 155mm self-propelled gun firing across the Moselle River in France, 1944.]] | |
The 155 mm Gun Motor Carriage M12 was a U.S. self-propelled gun developed during the Second World War. Only 100 were built; 60 in 1942 and a further 40 in 1943. It mounted a 155 mm gun M1917, M1917A1 or M1918 M1, depending upon availability, a weapon derived from the nearly identical French 155 mm GPF gun of World War I vintage. The M12 was built on the chassis of the M3 Lee tank (some sources claim that later M12 used the M4 Sherman chassis but this might be a confusion with the M12's use of "Sherman-style" bogie trucks with trailing idlers). It had an armored driver's compartment, but the gun crew were located in an open topped area at the back of the vehicle. An earth spade (similar to a bulldozer blade) at the rear was employed to absorb recoil. This layout—large gun mounted in an open mount at the rear, with a spade—was the pattern adopted for many years by other heavy self-propelled artillery. | The 155 mm Gun Motor Carriage M12 was a U.S. self-propelled gun developed during the Second World War. Only 100 were built; 60 in 1942 and a further 40 in 1943. It mounted a 155 mm gun M1917, M1917A1 or M1918 M1, depending upon availability, a weapon derived from the nearly identical French 155 mm GPF gun of World War I vintage. The M12 was built on the chassis of the M3 Lee tank (some sources claim that later M12 used the M4 Sherman chassis but this might be a confusion with the M12's use of "Sherman-style" bogie trucks with trailing idlers). It had an armored driver's compartment, but the gun crew were located in an open topped area at the back of the vehicle. An earth spade (similar to a bulldozer blade) at the rear was employed to absorb recoil. This layout—large gun mounted in an open mount at the rear, with a spade—was the pattern adopted for many years by other heavy self-propelled artillery. | |||
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Limited storage space meant that only 10 projectiles and propellant charges could be carried on the vehicle. Given this, a similar vehicle, but without the gun, was produced as the Cargo Carrier M30. This was designed to transport the gun crew and additional ammunition. In operational conditions the M12 and M30 would serve in pairs. The M30 was armed with a .50-caliber Browning M2 machine gun. It could carry 40 rounds of 155 mm ammunition. | Limited storage space meant that only 10 projectiles and propellant charges could be carried on the vehicle. Given this, a similar vehicle, but without the gun, was produced as the Cargo Carrier M30. This was designed to transport the gun crew and additional ammunition. In operational conditions the M12 and M30 would serve in pairs. The M30 was armed with a .50-caliber Browning M2 machine gun. It could carry 40 rounds of 155 mm ammunition. | |||
? | The sole surviving M12 GMC is displayed at the Fort Sill museum [1], it was stored at the United States Army Ordnance Museum in Aberdeen, Maryland, USA, before being transferred to Fort Sill in November 2010.}} | + | The sole surviving M12 GMC is displayed at the Fort Sill museum [1], it was stored at the United States Army Ordnance Museum in Aberdeen, Maryland, USA, before being transferred to Fort Sill in November 2010. | |
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{{Panel content|style=collapsed|title=Sources and External Links|content= | {{Panel content|style=collapsed|title=Sources and External Links|content= | |||
* Leland Ness(2002)Janes World War II Tanks and Fighting Vehicles, Harper Collins, ISBN 0-00-711228-9 | * Leland Ness(2002)Janes World War II Tanks and Fighting Vehicles, Harper Collins, ISBN 0-00-711228-9 | |||
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* [[https://www.wwiivehicles.com/usa/self-propelled-guns/m12.asp WWII vehicles]] | * [[https://www.wwiivehicles.com/usa/self-propelled-guns/m12.asp WWII vehicles]] | |||
* [[https://afvdb.50megs.com/usa/155mmgmcm12.html AFV database]] | * [[https://afvdb.50megs.com/usa/155mmgmcm12.html AFV database]] | |||
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{{SPG}} | {{SPG}} |
Revision as of 01:01, 24 February 2011
M12
USA | SPG | Tier VI |
Cost | 1,120,800 |
---|---|
Health | 400 |
Weight/Load Limit | 21.08/22.5t |
Engine Power | 400hp |
Speed Limit | 39km/h |
Traverse Speed | 17deg/s |
Hull Armor | 51/16/19mm |
Damage | 712-1188HP |
Penetration | 64-106mm |
Rate of Fire | 3.6r/m |
Accuracy | 0.42m |
Aim time | 6.5s |
Gun Traverse | gunTraverse |
Gun Traverse Arc | gunTraverseArc |
Gun Vertical Limits | gunVerticalLimits |
Ammo Capacity | ammo |
Chance of Fire | 25% |
View Range | 450m |
Signal Range | 370m |
Parent | parent |
Child | child |
The tier six (6) 155 mm Gun Motor Carriage M12 (M12 GMC) carries a 155mm howitzer (you probably got that from the name). As is usual for American SPGs, it is slow turning. The M12 leads directly to the M40/M43 SPG.
Modules
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Historical Info
The 155 mm Gun Motor Carriage M12 was a U.S. self-propelled gun developed during the Second World War. Only 100 were built; 60 in 1942 and a further 40 in 1943. It mounted a 155 mm gun M1917, M1917A1 or M1918 M1, depending upon availability, a weapon derived from the nearly identical French 155 mm GPF gun of World War I vintage. The M12 was built on the chassis of the M3 Lee tank (some sources claim that later M12 used the M4 Sherman chassis but this might be a confusion with the M12's use of "Sherman-style" bogie trucks with trailing idlers). It had an armored driver's compartment, but the gun crew were located in an open topped area at the back of the vehicle. An earth spade (similar to a bulldozer blade) at the rear was employed to absorb recoil. This layout—large gun mounted in an open mount at the rear, with a spade—was the pattern adopted for many years by other heavy self-propelled artillery.
During 1943 the vehicles were used for training or put into storage. Before the invasion of France, 74 M12s were upgraded in preparation for combat operations. They were employed successfully throughout the campaign in NW-Europe. Although designed primarily for indirect fire, during assaults on heavy fortifications the M12s were sometimes employed in a direct-fire role.
Limited storage space meant that only 10 projectiles and propellant charges could be carried on the vehicle. Given this, a similar vehicle, but without the gun, was produced as the Cargo Carrier M30. This was designed to transport the gun crew and additional ammunition. In operational conditions the M12 and M30 would serve in pairs. The M30 was armed with a .50-caliber Browning M2 machine gun. It could carry 40 rounds of 155 mm ammunition.
The sole surviving M12 GMC is displayed at the Fort Sill museum [1], it was stored at the United States Army Ordnance Museum in Aberdeen, Maryland, USA, before being transferred to Fort Sill in November 2010.
External links
Light Tanks | T1 Cunningham • M2 Light Tank • T1E6 • T2 Light Tank • T7 Combat Car • M22 Locust • M3 Stuart • MTLS-1G14 • M5 Stuart • M24 Chaffee • T21 • T71 |
Medium Tanks | T2 Medium Tank • M2 Medium Tank • M3 Lee • M4 Sherman • M4A2E4 Sherman • M7 • Ram II • M4A3E2 Sherman Jumbo • M4A3E8 Sherman • T20 • M26 Pershing • T23 • T26E4 Super Pershing • T69 • M46 Patton • T54E1 • M48A1 Patton • M60 |
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Self-Propelled Guns | T57 • M7 Priest • M37 • M41 • M44 • M12 • M40/M43 • M53/M55 • T92
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USA | II T1 HMC • III T18 HMC • III M7 Priest • IV T82 HMC • IV M37 • V M41 HMC • VI M44 • VII M12 • VIII M40/M43 • IX M53/M55 • X T92 HMC |
UK | II Loyd Gun Carriage • III Sexton II • III Sexton I • IV Birch Gun • V Bishop • VI FV304 • VII Crusader 5.5-in. SP • VIII FV207 • IX FV3805 • X Conqueror Gun Carriage |
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France | II Renault FT 75 BS • III Lorraine 39L AM • IV AMX 105 AM mle. 47 • V AMX 13 105 AM mle. 50 • V 105 leFH18B2 • VI AMX 13 F3 AM • VII Lorraine 155 mle. 50 • VIII Lorraine 155 mle. 51 • IX Bat.-Châtillon 155 55 • X Bat.-Châtillon 155 58 |
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