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About SSPH 1 Primus

About Primus | Features of the Primus | Development of the Primus

About Primus
The Singapore Self-Propelled Howitzer 1 (SSPH 1) Primus is a 155 mm, 39 calibre track-based, self-propelled howitzer developed jointly by the Singapore Armed Forces (SAF), Defence Science & Technology Agency (DSTA) and Singapore Technologies Kinetics (ST Kinetics) to meet the operational requirements of the SAF.

A fusion of the precision, range and firepower of the artillery, with the protection, speed and manoeuvrability of armoured vehicles, the Primus is a highly accurate, mobile artillery platform that will bolster the fighting capabilities of our armoured forces with its 'hide, shoot, scoot' capability.

Arguably the lightest and most responsive self-propelled howitzer in its class, the Primus packs a big punch to any target within its range. Onboard, the indigenous integration of technologies allows a crew of four to effectively operate the system autonomously, affirming the Primus not only as a formidable force in the modern battlefield, but also as an invaluable asset to our technologically advanced Army.

Designed, developed and produced in Singapore, the Primus is a clear testament of our innovation and industry. An achievement that Singapore can be proud of.


What's in a name — The Primus

The inspiration for Primus is derived from the motto of the Singapore Artillery – In Oriente Primus – which, in latin, means ‘First in the East’. Primus, therefore, means ‘First’.

This is indeed befitting, as the Primus is the first indigenously produced self-propelled howitzer. Weighing less then 30tons combat laden, it is arguably the most advanced self-propelled howitzer of its weight class.

Also, the affinity of its name to the Artillery motto signifies its closeness to the heart of the Artillery Formation.


Technical Specifications

Dimension

Combat weight : 28.3tons
Length : 10.21m
Width : 3.00m
Height : 3.15m

 

Mobility

Number of road wheel : 7 per side
Top speed : 50km/h
Maximum operating range : 350km
Climbing side slope : 31°

Crew

Gun crew : 4

 

Fire Power

Calibre : 155mm 39 calibre
Maximum range : 30km with ER projectile
Rate of fire : 6 rounds/min (maximum rate)

 

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