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SP 122



Introduction


SP 122

Oblique forward view of Egyptian army SP 122 self-propelled howitzer. Note the fixed superstructure and D-30 ordnance.
Source: Unknown author - © Copyright lies with original owner

Origin
United States
Type
Self-propelled howitzer
Entered service
Early 1990's
Status
In service
Development
1985 - 1987
Developer
United States - BMY Combat Systems
Production
? - 1995 (76)
1997 - 1998 (24)
2000 (24)
Producer
United States - BMY Combat Systems (chassis)
Egypt - Abu Zaabal (ordnance)
Unit cost
US $ 27.2 million for 24 vehicles in 1996
Number produced
124
Designations
SP 122 / Self-Propelled 122mm
Notable users
Egypt

Details


Facts SP 122
General
Origin
United States
Type
Self-propelled howitzer
Crew
5 (commander, driver, gunner, 2 loaders)
Dimensions
Weight
23.2 t combat load
20.9 t empty
Length
6.95 m overall
6.2 m hull
Width
3.15 m
Height
3.3 m including M2HB
2.82 m to roof
Main armament
Type
122mm D-30 howitzer
Mount
Main gun in casemate
Ammunition
85 shells
Elevation
-5° to +70°, manual
Traverse
30° left to 30° right, manual
Range
15.3 km
Secondary armament
Type
12.7mm M2HB heavy machine gun
Mount
Pintle mount on roof
Ammunition
500 rounds, 100 ready to fire
Traverse
Manual traverse and elevation
Stabilizer
No
Chassis
Chassis type
Tracked chassis, 7 roadhweels
Layout
Drive sprocket front, idler rear
Tread
2.77 m
Track width
0.38 m
Length on ground
3.96 m
Ground pressure
0.76 kg/cm²
Suspension
Torsion bar
Automotive
Engine model
Detroit Diesel 8V71T
Engine type
Two stroke water-cooled supercharged V8 diesel
Power output
405 hp at 2.300 rpm
Transmission
Allison XTG-411-2A
4 forward, 2 reverse
Fuel
511 L
Mobility
Speed
56 km/h on road
Range
350 km on road
Turn radius
Pivot
Power to weight ratio
17.4 hp/t
Obstacle crossing
Ground clearance
0.45 m
Wall
0.5 m
Trench
1.8 m
Gradient
60 %
Slope
40 %
Fording
1.1 m
Protection
Armor type
Aluminum hull and superstructure
Armor thickness
32 mm hull all around
NBC system
No
Smoke system
No

Media


Related articles


M109A2

The chassis of the SP 122 is derived from the M109A2, which has a turret instead of a fixed superstructure.

122mm D-30

The SP 122 is armed with an Egyptian license produced D-30 towed howitzer.