Primus
SSPH-1
Overview
Primus
Right side view of Primus self-propelled howitzer in use with Singapore.
Source: Nighteye -
© Copyright lies with original owner
Origin
Singapore
Type
Self-propelled howitzer
Entered service
2002
Status
In service
Development
1995 - 2000
Developer
Singapore
-
ST Kinetics
Production
2000 - ?
Producer
Singapore
-
ST Kinetics
Designations
SSPH-1 / Singapore Self-Propelled Howitzer 1
Notable users
Singapore
Details
Facts
Primus
General
Origin
Singapore
Type
Self-propelled howitzer
Crew
4 (commander, driver, gunner, loader)
Dimensions
Weight
28.3 t combat load
Length
10.21 m overall
6.6 m chassis
Width
3.0 m
Height
3.28 m
Main armament
Type
155mm 39-caliber howitzer
Mount
Main gun in turret
Ammunition
22 rounds
Elevation
-5° to +75°
Traverse
360°
Rate of fire
3 shells burst in 20 seconds
6 rpm maximum
2 rpm sustained
Range
19 km with M107
30 km with ERFB
Stabilizer
No
Secondary armament
Type
7.62mm MAG machine gun
Mount
Pintle mount on turret roof
Traverse
Manual traverse and elevation
Chassis
Chassis type
Tracked chassis, 7 roadwheels
Layout
Drive sprocket front, idler rear
Suspension
Torsion bar
Automotive
Engine
Detroit Diesel 6V92TA
Power output
550 hp
Transmission
HMPT-500-3EC automatic
Mobility
Speed
60 km/h
Range
350 km
Power to weight ratio
19.4 hp/t
Protection
Armor type
Steel
Armor thickness
Up to 25 mm
Smoke system
2x3 smoke grenade launchers
Media
Primus
Left side view of Primus self-propelled howitzer in use with Singapore.
Source: Nighteye
Copyright: Copyright lies with original owner
Primus
Live fire exercise with two Primus self-propelled howitzers in New Zealand in 2017.
Source: Ng Eng Hen
Copyright: Copyright lies with original owner
Primus
Live fire exercise with two Primus self-propelled howitzers in New Zealand in 2017.
Source: Unknown author
Copyright: Copyright lies with original owner
Primus
Top view of Primus self-propelled howitzer in use with Singapore.
Source: Stanley Chee
Copyright: Copyright lies with original owner