Type 89 torpedo
The Type 89 torpedo (development name G-RX2) is a Japanese submarine-launched homing torpedo produced by Mitsubishi Heavy Industries. Together with the Harpoon, it replaced the unguided Type 72. Development was done by the Technical Research and Development Institute, a department of the Ministry of Defense, and began in 1970, with the design completed by 1984.
Type 89 torpedo

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- Name
- Torpedo Type 89
- Field
- torpedo
- Region
- Japan
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Documentary summary
The Type 89 torpedo (development name G-RX2) is a Japanese submarine-launched homing torpedo produced by Mitsubishi Heavy Industries. Together with the Harpoon, it replaced the unguided Type 72. Development was done by the Technical Research and Development Institute, a department of the Ministry of Defense, and began in 1970, with the design completed by 1984.
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wikidata · Q846080 · wikipedia · Type 89 torpedo
In this article
Overview
Overview
After being formally approved in 1989 and named "Type 89", it entered service and is currently carried aboard the, and submarine-class submarines. It was also carried by the and -class submarines before they were retired from active service in 2006 and 2017 respectively. It is a wire-guided torpedo that features both active and passive homing modes. Compared to Mk-48 (ADCAP) torpedo, it is slightly longer (6.25 m to 5.79 m) and heavier (1,760 kg to 1,676 kg), but has a smaller warhead (267 kg to 295 kg). The successor to the Type 89 torpedo was developed under the development name "G-RX6" and officially named Type 18 (ja) in 2018. The is equipped with a number of Type 18 torpedoes.
Key facts
Key facts
• Is Missile — no • Name — Torpedo Type 89 • Origin — Japan • Type — Heavyweight ASuW torpedo • Used By — Japan • Manufacturer — Mitsubishi Heavy Industries • Service — 1989 • Engine — swash-plate piston engine • Propellant — Otto fuel II • Speed — 55 kn maximum possibly 70 kn • Vehicle Range — at 40 kn, at 55 kn • Guidance — wire-guided with both active and passive homing modes • Launch Platform — submarine
Specifications
Specifications
• Length: • Weight: • Diameter: • Warhead: • Speed: 55 kn maximum possibly 70 kn • Range: at 40 kn, at 55 kn. • Operating depth: 900 m
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- Japan
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Type 89 torpedo is associated with Japan.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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