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155-mm self-propelled gun


The AU-F1 GCT self-propelled gun is still in service with the French Army

Entered service 1977
Crew 4 men
Dimensions and weight
Weight 42 t
Length (gun forward) 10.25 m
Hull length 6.7 m
Width 3.15 m
Height 3.25 m
Main gun 155-mm
Barrel length 40 calibers
Machine guns 1 x 7.62-mm
Projectile weight 42 kg
Maximum firing range 23.5 - 30 km
Maximum rate of fire 8 rpm
Elevation range - 4 to + 66 degrees
Traverse range 360 degrees
Ammunition load
Main gun 42 rounds
Machine guns 2 000 rounds
Engine Hispano-Suize HS-110 diesel
Engine power 720 hp
Maximum road speed 60 km/h
Range 500 km
Gradient 60%
Side slope 30%
Vertical step 0.93 m
Trench 2.9 m
Fording 1.3 m


   The F1 GCT (Grand Cadence de Tir - high rate of fire) self-propelled gun was developed in the late 1960s. First prototype was built in 1972. Production of the F1 GCT commenced in 1977 and ceased in 1993. A total of 250 artillery systems were produced for the French Army. Some of these self-propelled guns were exported to Iraq, Kuwait and Saudi Arabia.

   The F1 GCT is armed with a 155-mm / L40 gun, fitted with an autoloader. It has a maximum rate of fire of 8 rounds per minute. The gun can be loaded manually with a maximum rate of 1 - 2 rounds per minute. The F1 GCT fires standard and rocket-assisted HE-FRAG projectiles, armor-piercing, smoke and incendiary projectiles. Maximum range of fire is 23.5 km with standard HE-FRAG projectile and 30 km with rocket-assisted. It is also capable of firing ADC anti-armor precision guided projectiles. The F1 GCT carries a total of 42 projectiles and 42 charges, stored in the ammunition racks.

   Secondary armament consists of a roof-mounted 7.62-mm or 12.7-mm machine gun.

   Armor of the F1 GCT provides protection against small arms fire and artillery shell splinters. It is also fitted with an NBC protection and automatic fire suppression systems.

   Vehicle has a crew of four, including commander, gunner, loader and driver.

   The F1 GCT self-propelled gun is based on the AMX-30 man battle tank hull. Vehicle is powered by Hispano-Suiza HS-110 multi-fuel diesel engine, developing 720 hp. Though heavier than the AMX-30, the F1 GCT retains similar mobility.

   Ammunition is loaded via the rear resupply hatch. Four men can reload the F1 GCT within 20 minutes.




   A complete F1 GCT turret can be mounted on Leopard 1 or T-72 main battle tanks. However no orders were placed on such artillery systems.


Video of the AU-F1 GCT self-propelled gun






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