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Jupiter III

122-mm truck-mounted howitzer

Jupiter III

The Jupiter III was created by merging an ageing truck chassis with a field howitzer

 
 
Country of origin Cuba
Entered service 2006 (?)
Crew 5 - 6 men
Dimensions and weight
Weight ~ 17 t
Length ?
Width ~ 2.75 m
Height ?
Armament
Main gun 122-mm
Barrel length 38 calibers
Machine guns -
Projectile weight 14 - 22 kg
Maximum firing range ~ 15 km
Maximum rate of fire 6 - 8 rpm
Elevation range - 7 to + 70 degrees (?)
Traverse range ?
Ammunition load
Main gun ?
Machine guns -
Mobility
Engine YaMZ-238 diesel
Engine power 240 hp
Maximum road speed ~ 70 km/h
Range ~ 450 km
Maneuverability
Gradient 60%
Side slope 30%
Vertical step ~ 0.6 m
Trench ~ 0.6 m
Fording ~ 1 m

 

   The Jupiter III is a Cuban truck-mounted howitzer. It is a combination of a Soviet D-30 towed howitzer, mounted on a KrAZ-255B 6x6 military truck chassis. This artillery system was first publicly revealed in 2006.

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

   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.

   The D-30 field howitzer was developed in the Soviet Union in the late 1950s. It was widely exported. This howitzer is license produced in Cuba in small numbers. This artillery system can fire HE-FRAG, HE, smoke, illumination, and possibly some other projectiles. Maximum range of fire of the D-30 is 15 km.

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

   It seems that this artillery system is operated by a crew of 5-6 soldiers.

   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. It seems that the cab of the Jupiter III has some degree of armor protection.

   There is a whole series of Jupiter artillery systems developed in Cuba and based on KrAZ 6x6 trucks. A Jupiter IV 122-mm self-propelled gun, mounted on a heavily-modified KrAZ-255B chassis. The Jupiter V is a 130-mm self-propelled gun, which is also based on a heavily-modified chassis. Also there are some Cuban artillery systems based on tracked chassis.

  

 
Jupiter III

Jupiter III

Jupiter III

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