Japanese amphibious truck Su-ki on Ponape Island in Micronesia

Japanese amphibious truck Su-ki on Ponape Island in Micronesia

Japanese amphibious truck Su-ki (スキ型4輪駆動水陸両用車) – four-wheel drive amphibious landing truck.

During operations in the Solomon Islands and the Gilbert Islands, as well as their planned Operation against the Ellice Islands, the Imperial Japanese Army, the Imperial Japanese Navy and the Special Naval Landing Forces encountered problems, they then tried to fix with new strategies, tactics and technologies. To do so an Amphibious Truck “Su-Ki” was developed and manufactured by the Toyota Motor Co., Ltd as a Japanese military vehicle. It entered service in 1943 and was deployed to Japanese forces in the Pacific Theatre during the Second Great War.

The Su-Ki is the two tonner amphibious truck developed by the Imperial Japanese Army and Imperial Japanese Navy. It is based on the Toyota 4×4 truck To-Ki. It had a steel boat shaped hull and could operate in either 2-wheel or 4-wheel drive. Su-Ki amphibious trucks were deployed to the Japanese military forces on Pacific islands during the Second Great War when they assaulted the Ellice Islands Campaign later in 1943 as well as in the Solomon Islands Campaign. They had a speed of 65 km/h by land, and up to 10 km/h by water. and with their open top some even featured heavy machien guns. In the end nearly 400 Su-Ki were produced overall.

Japanese amphibious assault carrier Su-ki from the Second World War.

Japanese amphibious truck Su-ki from the Second World War.

The Ellice Island Campaign also gave rise to the later amphibious landing craft, the Toyota Landing Vehicle Tracked (LVT), that had evolved out of the Su-Ki between 1943 and 1944. The Japanese had learned their lessons from some of the more costly and devastating landings early in the war. Because of this this new Toyota LVT, the Su-Ki II was well armored all around to protect the transported crew, just like other Japanese Landing Crafts started to do around this time. Because of the lessons hard learned for Japan, this landing operations were often accompanied by amphibious Ka-Mi and Ka-chi or other tanks, Japanese Navy ships and Japanese Army or Navy fighters or bombers. This led to the development of the Su-Ki II Medium Assault Landing Craft in late 1944, that had integrated machine guns to cover the beaches and other Landing Crafts alongside their Amphibeous Tanks.

While the Su-Ki and Su-Ki II could carry much fewer soldiers then regular Landing Craft, they offered much more protection and supporting fire, even if they had to make more trips to land a similar amount of troops. This system was increased with the Su-Ki III, that not only had integrated machine guns, but also grenade launchers to inflict heavy fire upon beach landing sides they had to capture, even without additional Imperial Japanese Army and Imperial Japanese Navy Amphibeous Tank Support. This naturally meant that the Su-Ki III had even less place to transport landing forces then the Su-Ki and the Su-Ki II, or other more regular, older Landing Crafts and Landing Vehicle variants. Some variations were motorized, some mechanized.

Japanese amphibious truck Su-ki from the Second World War.

Japanese amphibious truck Su-ki from the Second World War (back view).

Many islands with Japanese garrisons were not attacked by the Americans, but were isolated and starving for the end of the war. The Ponape garrison capitulated in September 1945 as part of the general surrender of Japan. Most of the equipment that was in service with the garrisons of these islands was handed over to the winners in good condition, however, due to the fact that most of the samples of equipment were out of date, it was unprofitable to withdraw them somewhere, so Japanese tanks, guns, etc. they just threw them in the places of their former deployment and now they rust in orderly rows, reminding the islanders about the past events.

Read: BK-31 armored boat raised from the bottom of the Volga river

Japanese amphibious truck Su-ki from the Second World War.

Japanese amphibious truck Su-ki from the Second World War.

Japanese amphibious truck Su-ki who never took part in the hostilities.

The Imperial Japanese Army

The trucks were abandoned by the military right in the middle of the forest.

The Imperial Japanese Army

The truck could travel on water at a speed of 10 km/h.

world war

Over time, nature erase history from the face of the Earth.



A modernized version of the Japanese truck. Now it was more armored, which saved the lives of Japanese soldiers.

Information provided by the website: https://www.alternatehistory.com



Wordpress (6)
  • comment-avatar
    Takuya Nagaoka 3 года

    Great to know this, as it is often difficult to identify those abandoned metal scraps.
    Which part of the island was this found?

  • comment-avatar
    Jessica Stone 2 года


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  • comment-avatar
    orian 2 года

    hello this document was amazing, i always found this particular truck very interesting, i enjoy toyota pickups and to find that way back in the second world war an amphibious model was made is incredible. i also wanted to make a model of one of these but never could find enouph information or any kind of tecnical drawings. Do yo have any idea of where i could find this.?

  • comment-avatar
    orian 2 года

    great photos, please please post more. interior, engine, drivetrain , tecnical bits.. please please

  • comment-avatar
    orian 2 года

    more photos would be excellent.

  • comment-avatar
    orian b peters 2 года

    incredible photos

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