Type 99 155 mm self-propelled howitzer

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Type 99 155 mm self-propelled howitzer
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Type 99 of the JGSDF
Type Self-propelled artillery
Place of origin Japan
Service history
Used by  Japan
Production history
Designed 1985
Manufacturer Mitsubishi Heavy Industries/Japan Steel Works
Number built 111 (2014)
Specifications
Weight 40 tons
Width 3.2 m
Crew 4

Caliber 155 millimetres (6.1 in)
Traverse 360°
Rate of fire 6 rpm

Armor aluminum alloy
Main
armament
1x Japan Steel Works, 155 mm L52 Artillery Gun
Secondary
armament
1x 12.7 mm M-2HB machine gun
Engine Mitsubishi 6SY31WA 6-cylinder diesel
600 bhp
Suspension torsion bar
Operational
range
300 km (185 mi)
Speed 49.6 km/h

The Type 99 155 mm self-propelled howitzer (99式自走155mm榴弾砲 kyuu-kyuu-shiki-jisou-155mm-ryuudan-hou?) is a self-propelled howitzer of the Japanese Ground Self-Defense Force, which was developed as successor of the Type 75 155 mm Self-propelled howitzer.

Overview[edit]

Research and development was started from 1985 as a successor for the older Type 75 self-propelled 155 mm howitzer. Mitsubishi Heavy Industries, Ltd. was the primary contractor, and developed the main gun and the turret.

The Type 99 uses a modified chassis from the Mitsubishi Type 89 IFV, lengthened with an additional road wheel. The Type 99 uses a 52 caliber barrel compared to the 39 caliber barrel on the Type 75 self-propelled howitzer.

Secondary armament of the Type 99 consists of a roof-mounted 12.7-mm machine gun, fitted with a shield.

Armor of the Type 99 provides protection against small arms fire and artillery shell splinters.

Vehicle is powered by a diesel engine, developing 600 horsepower. A traveling lock is provided at the front of the hull. It folds back onto the glacis plate when not in use.

The Type 99 self-propelled howitzer is resupplied from the Type 99 ammunition resupply vehicle.

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