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M1064



Overview


M1064A3

120mm mortar shell seen leaving the barrel of a US Army M1064 self-propelled mortar during an exercise in Romania in 2018.
Source: US Army - © Public domain

Origin
United States
Type
Self-propelled mortar
Entered service
1990
Status
In service
Development
Late 1980's
Developer
United States
Production
Late 1980's - present?
Producer
United States
Number produced
Over 1.100
Designations
M1064A3
Notable users
United States
Egypt

Details


Facts M1064A3
General
Origin
United States
Type
Self-propelled mortar
Crew
4 or 5 (commander, driver, gunner, 1 or 2 loaders)
Dimensions
Weight
12.8 t combat load
Length
5.32 m
Width
3.02 m with equipment
2.69 m hull width
Height
2.52 m over MG
1.81 m to hull roof
Main armament
Type
120mm M121 smoothbore mortar
Mount
Turntable, fires through roof hatches
Ammunition
69 shells
Elevation
+40 to +85°, manual
Traverse
360°, manual
Range
7.2 km maximum
200 m minimum
Rate of fire
16 rpm maximum
4 rpm sustained
Secondary armament
Type
12.7mm M2HB heavy machine gun
Mount
Pintle mount
Ammunition
2.000 rounds, 100 ready to fire
Traverse
Manual traverse and elevation
Stabilizer
No
Chassis
Chassis type
Tracked chassis, 5 roadwheels
Layout
Drive sprocket front, idler rear
Tread
2.16 m
Track width
0.38 m
Length on ground
2.67 m
Ground pressure
0.63 kg/cm²
Suspension
Torsion bar
Automotive
Engine model
Detroit Diesel 6V-53T
Engine type
6-cylinder turbo diesel
Power output
275 hp at 2.800 rpm
Transmission
X-200-4 or 4A, 4 forward, 2 reverse
Fuel
360 L
Mobility
Speed
64 km/h on road
6 km/h afloat
Range
480 km on road
Turn radius
Pivot
Power to weight ratio
21.5 hp/t
Obstacle crossing
Ground clearance
0.43 m
Wall
0.6 m
Trench
1.7 m
Gradient
60 %
Slope
30 %
Fording
Amphibious with preparation
1.0 m unprepared
Protection
Armor type
Aluminum
Armor thickness
38 - 45 mm
NBC system
Yes
Smoke system
2x4 smoke grenade dischargers
Equipment
Night vision
Yes, for driver
Radio
Yes

Media


Related articles


120mm Soltam K6

The M1064A3 mounts the 120mm M121 mortar. This is the US production model of the Soltam K6 mortar.

M113

The M1064A3 has the same automotive improvements as the M113A3 armored personnel carrier.

Browning M2HB

For self-defense a 12.7mm M2HB heavy machine gun is fitted on the roof of the M1064A3.