Chinese 6x6 SM4 120mm self-propelled mortar for Algerian army


A video released by the Algerian ministry of Defense showed a large military exercise in which Chinese 6x6 SM4 120mm self-propelled mortars appeared. The purchase of these vehicles was not advertised, hence the lack of details known about the number of vehicles bought and the date at which they entered in service, as well as the user units.


SM 4 120mm wheeled self propelled mortar carrier for Algerian army 925 001

NORINCO SM4 self-propelled mortar displayed at Airshow China 2018 in Zhuhai (Picture source: Army Recognition)


NORINCO (China North Industries Corporation) had chosen IDEAS 2014 exhibition, which was held from 1st to 4th of December in Karachi, Pakistan, to unveil its SM4 120mm self-propelled mortar.

Mounted on the chassis of the WMZ551 6x6 armored vehicle, the SM4 is a self-propelled mortar system capable of firing HE, pre-fragmented HE, cargo and rocket-assisted HE shells, etc. The SM4 self-propelled mortar serves as the main equipment of batteries affiliated to light mechanized infantry battalions. Its maximum firing range varies from 7,500 to 13,000 meters, depending on the ammunitions type. The SM4 is equipped with a ballistic computer that calculates gun setting data, assists the gunner in firing, stores and processes various data and commands to improve operational effectiveness. The SM4 features manual muzzle loading and anti-recoil mechanism. Two firing modes are available: pull action fuse and impact action fuse. Capable to carry up to 30 complete rounds, the SM4 has a max. rate of fire of 12 to 15 rounds per minute.

A 12.7mm MG as defensive armament is mounted on the vehicle for defensive purposes. High running speed (max. on-road speed of 100 km/h), excellent cross-country performance and great maneuverability allow the SM4 to avoid counter-battery fire.

Crew comfort is ensured by air conditioning and comfortable interior, plus a top fiatch that can be opened and closed hydraulically to achieve better concealment and battlefield survivability.


 

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