M44 self-propelled howitzer on public display.
Source: Unknown author -
© Copyright lies with original owner
1954 (issued to troops)
1952 (formal acceptance)
250 or more
T99E1 and T194E1 (prototypes)
Cardinal (UK military service)
Panzerhaubitze M44 (German service)
Right side view of M44 self-propelled howitzer.
Source: US Army -
© Public domain
Original production model. All 250 vehicles for US troops were produced with armored roof. Issues with fumes resulted in various modifications, including an open roof with canvas cover. The modified vehicles entered service as M44.
Existing M44 retrofitted with AOSI-895-5 engine with fuel injection system. This upgrade results in a slightly improved mileage. This upgrade took place from 1956 onward.
Extensive upgrade of 222 vehicles in Turkish service. Carried out by Rheinmetall of Germany from 1986 to 1992. The upgrades include a longer 155mm L/36 ordnance and MTU diesel engine. This variant is described separately.
5 (commander, driver, gunner, 2 loaders)
3.11 m over canvas top
155mm M45 23-caliber howitzer
M80 mount in superstructure
-5 to +65 degrees, hydraulic and manual
30 degrees left, 30 degrees right
12.7mm M2HB heavy machine gun
Pintle mount on roof
900 rounds, 100 ready to fire
360 degrees, manual
Tracked chassis, 6 roadwheels
Drive sprocket front, rear roadwheel doubles ad idler
Continental AOS-895-3 (M44)
Continental AOSI-895-5 (M44A1)
6-cylinder supercharged gasoline
446 hp at 2.400 rpm
Allison CD-500-3, 2 forward, 1 reverse
120 km on road for M44
Power to weight ratio
13mm all around
The M44 was developed to replace the M41 in US service.
The M44 is armed with a slightly modified M114 howitzer.
For self-defense a 12.7mm M2HB heavy machine gun is mounted on the roof.
In Japanese service the M44 was replaced by the newer and more capable indigenous Type 75.
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