Experimental Vehicles

Experimental Tank - Number 1---Experimental Tank - Number 1
Experimental Tank - Number 1

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Experimental Type 91 Heavy Tank
Experimental Type 91 Heavy Tank

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Experimental SPAAG project - Mounted on Type 98 Light Tank. It had two types, single and twin AAG.---Experimental SPAAG project - Mounted on Type 98 Light Tank. It had two types, single and twin AAG.---Experimental SPAAG project - Mounted on Type 98 Light Tank. It had two types, single and twin AAG.
Experimental SPAAG project - Mounted on a load-carrying platform bed of Type 98 4 ton half-track. Experimental type only.---Experimental SPAAG project - Mounted on a load-carrying platform bed of Type 94 6x4 truck. This type was deployed to operational units.
Experimental SPAAG project - 3) Mounted on the hull of a Type 97 Tankette. It had a codename "Ki-To". Ki-To had no protection for the gunner, so adoption of Ki-To was canceled and it was decided to develop a new and refined SPAAG.---Experimental SPAAG project - 3) Mounted on the hull of a Type 97 Tankette. It had a codename "Ki-To". Ki-To had no protection for the gunner, so adoption of Ki-To was canceled and it was decided to develop a new and refined SPAAG.
Experimental Type 98 SPAAG project

The Type 98 20mm AAG "Ho-Ki" is a well-known Japanese AAG. During the process of Ho-Ki's development and improvement, the Japanese Army produced some SPAAG types experimentally. The single AAG type had the codename "Ta-Se", which means "Taikuu (Anti-Air) Sensha (Tank)". Development of Ta-Se was based on the failure of Ki-To, so Ta-Se had circumferential protected turret. A trial product of Ta-Se was completed in November 1941, but adoption was canceled again, because the hit ratio of Ta-Se's AAG was inferior. Development of twin AAG type began in 1941, and was canceled in 1943. Completion would be planned in March 1944.


Experimental Medium Tank Chi-Ni---Experimental Medium Tank Chi-Ni
Experimental Medium Tank Chi-Ni

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Experimental Medium Tank
Experimental Medium Tank

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Experimental Medium Tank Chi-Ho
Experimental Medium Tank Chi-Ho

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Experimental O-I Super HeavyTank

The O-I had three-turrets and weighed 120 tons. Its dimensions were 10 meters by 4.2 meters by 4 meters high. The armor was 200mm (MAX). The tank had a top speed of 25km/hr. This version a two gasoline engines developing 550 PS/1500 rpm. The O-I had 1 x 105mm Cannon, 1 x Type 1 37mm (in a forward mounted sub turret), and 3 x Type 97 7.7mm (one mounted in a forward sub turret) where as the Experimental version also mounted a Type 1 37mm in a rear facing sub turret. It has been reported the one copy of the O-I was manufactured before the end of the war and was shipped to Manchuria according to a engineer concerned with the project. Crew: 11. No known photo exists.


Experimental Ultra Heavy Tank
Experimental Ultra Heavy Tank

The Experimental Ultra Heavy Tank is a modification of the O-I Super Heavy Tank and had 4 turrets.


Experimental Trench Excavator
Experimental Trench Excavator

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Experimental Excavator
Experimental Excavator

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Experimental Type 98 Prime Mover
Experimental Type 98 Prime Mover

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Experimental Type 98 Medium Tank
Experimental Type 98 Medium Tank

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Experimental Type 2 Ho-Ri Tank Destroyer
Experimental Type 2 Ho-Ri Tank Destroyer

Ho-Ri was planned to mount a powerful 105mm cannon on the hull of Type 5 Chi-Ri Medium. Probably, development of Ho-Ri was influenced by the information of German "Jagdtiger" tank destroyer.


Jiro-Sha Self Propelled Gun (SPG)
Experimental Jiro-Sha Self Propelled Gun (SPG)

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Type 2 105mm Ka-To Tank Destroyer
Experimental Type 2 105mm Ka-To Tank Destroyer

Ka-To's development was was ordered in 1943, but actual process of development is unknown. Ka-To's hull was similar to the Type 4 Chi-To or Type 5 Chi-Ri Medium, its main armament was to be newly developed.


Type 2 75mm Ku-Se SPG
Experimental Type 2 75mm Ku-Se SPG

Converted from the Experimental Type 5 Light Tank "Ke-Ho". The turret was removed, and a Type 99 mountain gun was placed in the hull.


Experimental Light Armored ATG Carrier So-To
Experimental Light Armored ATG Carrier So-To

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Type 5 47mm Ho-Ru SPATG
Experimental Type 5 47mm Ho-Ru SPATG

Converted from Type 95 Light Tank. Ho-Ru's armament was 47mm anti-tank gun, mounted on hull. Ho-Ru was possibly based on the German "Hetzer" tank destroyer.


Experimental Crawler Truck
Experimental Crawler Truck

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T G Experimental Crawler Truck
T G Experimental Crawler Truck

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Experimental Heavy Gun Tractor Chi-Ke
Experimental Heavy Gun Tractor Chi-Ke

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Flying Tank Ku-Ro
Experimental Flying Tank Ku-Ro

To my knowledge, the only nation to take the idea of flying tanks seriously enough to actually test one was the USSR. While a non armed and light armored model actually got airborne, their fully armed and armored test version never got off the ground. The test model was considered unsafe and no further tests were conducted.


75mm Tank Destroyer Na-To
Experimental 75mm Tank Destroyer Na-To

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Light Tank Ke-Ho
Experimental Light Tank Ke-Ho

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105mm Tank Destroyer---
Experimental 105mm Tank Destroyer

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Experimental Type 5 155mm Ho-Chi SPG
Experimental Type 5 155mm Ho-Chi SPG

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Experimental 120mm SPG
Experimental 120mm SPG

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Photo supplied by Ion Fonosch
? Japanese Tank

No data is available on this odd shaped tracked vehicle except that it was possibly designed for mine clearing. Note the Fordson Tractor track conversion. The Fordson tracked tractor was used by the Japanese as a Prime Mover for artillery. If you have any extra information, please email me.


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Last Update: Thursday, February 13, 2003