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Jupiter V

130 mm self-propelled gun

Jupiter V

The Jupiter V is a combination of 130 mm field gun, mounted on a 6x6 truck chassis

Country of origin Cuba
Entered service 2006 (?)
Crew 6 men
Dimensions and weight
Weight ~ 20 t
Length (gun forward) ~ 13 m
Width ~ 2.75 m
Height ?
Main gun 130 mm
Barrel length 58 calibers
Machine guns -
Projectile weight 33.4 kg
Maximum firing range 27 km
Maximum rate of fire 6 - 8 rpm
Elevation range - 2 to + 45 degrees
Traverse range 50 degrees (?)
Ammunition load
Main gun ?
Machine guns -
Engine YaMZ-238 diesel
Engine power 240 hp
Maximum road speed ~ 70 km/h
Range ~ 450 km
Gradient 60%
Side slope 30%
Vertical step ~ 0.6 m
Trench ~ 0.6 m
Fording ~ 1 m


   The Jupiter V is a Cuban combination of a Soviet M-46 130 mm field gun, mounted on a heavily modified KrAZ 6x6 truck chassis. This artillery system was first publicly revealed in 2006.

   This low-cost upgrade improved capabilities of an out-dated field gun. Such developments are typical for countries with limited military funding.

   It is worth noting that Cuba developed a number of artillery systems using the same approach of merging existing but out-dated field guns and howitzers with various surplus chassis. There is a whole series of Jupiter artillery systems, based on the KrAZ 6x6 trucks. The Jupiter V is a member of this series. Also there are some other Cuban self-propelled artillery system, based on tracked chassis.

   The M-46 field gun was produced in the Soviet Union in the between 1954 and 1971. It has been exported to more than 40 countries, including Cuba. Until the 1970s it was one of the longest range artillery systems around. It saw extensive use during the War in Vietnam and was regarded by both sides as the best all-round field artillery of the Vietnam War. However in the 1970s more capable artillery systems were introduced.

   Maximum range of fire with standard HE-FRAG projectile is 27 km. This gun can also fire smoke and illumination projectiles. China produces rocket-assisted projectiles for this gun with a maximum range of 38 km, however it is unknown if Cuba uses them. Also there are chemical projectiles for this gun, however Cuba is a signatory of a Chemical Weapons Convention, that prohibits the use of chemical weapons.

   The gun is loaded manually. Maximum rate of fire is 6 to 8 rounds per minute.

   It seems that the gun has a firing envelope of 50 degrees. It is unable to fire much above 45 degrees.

   This artillery system is operated by a crew of 6. In traveling order all crew members are seated in an unusual cab with separate compartments on each side of the engine.

   The Jupiter V is based on a heavily modified KrAZ 255B chassis. Vehicle is powered by a YaMZ-238 turbocharged diesel engine, developing 240 hp. It is mated to a 5-speed manual gearbox. Vehicle has adequate cross-country mobility and can travel off-road.

   Cuba also operates another similar artillery system, that uses a tracked T-34-85 tank chassis, mated with the same M-46 field gun. There is also a Jupiter IV artillery system, that uses the same KrAZ 255B 6x6 chassis, but is armed with a 122 mm howitzer. Both of these artillery system were publicly revealed in 2006.



Jupiter V

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Jupiter V

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