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  Type 89B Otsu Yi-Go   
4th Southsea Garrison Unit
38th Independent
Mixed Brigade

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PNG Museum 1985

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Josh McDade 1999

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Justin Taylan 2005

Tank History
Built by Mitsubishi, Otsu model built between 1931-1939.

Wartime History
Assigned to the 4th South Sea Garrison Unit formed at Wakayama on June 26th 1943. Transported from Japan via Truk to Rabaul. One of four tanks transported aboard the Bunsan Maru to Tarlena during September 1943 and deployed in northern Bougainville. In July 1944, the tanks were assigned to the 38th Independent Mixed Brigade.

After the American landing at Torokina, the Japanese carefully concealed their tanks until early March 1945 then attempted to move them along the north coast road.

This tank remained at Watego plantation (unsure of spelling) 'in situ' until the early 1980s. Purchased by the Kieta Lions Club from land owner Oscar Bond for a pig and a ceremony to release its spirit. The land owner did not want to sell the gun barrel, and kept it.

Transported to the Kieta Memorial Park by Bob Strong aboard a Rabaul stevedores low loader and installed it on two concrete pads in the park.

Since the middle 1980s, it has been displayed at the Kieta Memorial Park, near Kieta. It has no engine. There is little structural damage and minimal shrapnel damage. The track protectors appear to have been removed, leaving the metal tracks exposed.

Senshi Sosho Vol. 58, Page 164-165
Thanks to Steven Turner and Akira “Taki” Takizawa for additional information
After The Battle Issue 147 "The Japanese Tanks of Bougainville" by Justin Taylan

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Last Updated
August 19, 2018


Tech Info
Type 89

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