Type 4 150 mm howitzer

The , also known as a "15-cm" gun,Rottman, Gordon L. (2005). Japanese Army in World War II: Conquest of the Pacific 1941-42, p. 50; 15-cm = 150-mm was a field gun used by the Imperial Japanese Army (IJA).This howitzer type was named "four" because it was ordered in 1915; and 1915 was the 4th year of the reign of Emperor Taishō -- 1915 (Taishō 4). It

History
Type 4 was available to IJA forces after 1915.US War Dept. (1944).  "Model 4 (1915) 150-mm howitzer," Handbook on Japanese Military Forces, pp. 226-227.

Combat record
This artillery piece was used during the Second Sino-Japanese War and World War II.  This gun was designed to be moved by horses; and it continued to be used until 1945.

Type 4s were used by the IJA on Saipan in World War II.Goldberg, Harold J. (2007). D-Day in the Pacific: the Battle of Saipan, p. 35; Denfeld, D. Colt. (1992).   Japanese Fortifications and Other Military Structures in the Central Pacific, p. 56.

Related pages
 Artillery of Japan
 List of howitzers

References

Other websites

 Type 4 on Taki's Imperial Japanese Army page 
 US Technical Manual E 30-480

Category:Japanese weapons
Category:Howitzers