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"Japanese 70-mm Howitzer Model 92" from Tactical and Technical Trends

The following intelligence report on the Japanese Model 92 70-mm howitzer was printed in Tactical and Technical Trends, No. 34, September 23, 1943.

[DISCLAIMER: The following text is taken from the U.S. War Department publication Tactical and Technical Trends. As with all wartime intelligence information, data may be incomplete or inaccurate. No attempt has been made to update or correct the text. Any views or opinions expressed do not necessarily represent those of the website.]


Reports on this weapon indicate that it is generally used as a mortar against personnel.

[WW2 Japanese 70-mm Howitzer Model 92]

The howitzer is used with Japanese infantry battalions; ordinarily horse-drawn but it can be manhandled easily by the 10-man section; it can be placed in position by two men; three men can handle it on a good road. The piece is mounted on a cradle which houses the hydro-spring recoil mechanism. It has a steel split-trail carriage mounted on steel disk wheels. The general characteristics follow (see accompanying sketch).

Caliber      70 mm (2.76 in)
     Overall, with tails folded 87 inches
Tube 2 feet, 6 inches
Weight (complete) 468 lbs
Rifling 24 lands and grooves (r/h twist)
Maximum range 3,000 yards
Effective range 1,500 yards
Muzzle velocity 650 f/s
Ammunition HE, smoke and shrapnel
Weight of shell (HE) 8.36 lbs
Rate of fire 10 rpm
Tube Monobloc
Breech block Interrupted thread type
Firing mechanism Continuous pull
Recoil Hydro spring
Elevation 50°
Depression -10°
Traverse 45° each way
Sight Panoramic
Shield 1/8 in armor


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