Type 4 Chi-To

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Type 4 Chi-To
The Type 4 Chi-To medium tank was one of several new medium tank and heavy tanks developed by the Imperial Japanese Army towards the end of World War II. The Type 4 Chi-To was by far the most advanced Japanese wartime tank to reach the production phase.

The Type 4 Chi-To was a thirty ton, all-welded medium tank with a maximum armor thickness of about 75 millimeters (3.0 in). It was much larger than the Type 97 Chi-Ha, with a longer, wider, tall chassis, supported by seven road wheels.

The main armament, a Type 5 75 mm tank gun, was based on the Type 4 75 mm AA Gun, which was based on the Bofors Model 1929 75mm AA gun. It had a barrel length of 56.4 calibers and was housed in a large powered, well-armoured hexagonal gun turret along with a coaxial machine gun. A single Type 97 light machine gun was also mounted in the bow, but there was no machine gun mounted to the rear of the turret, which is unusual for Japanese tanks. Provision was also made for an optional anti-aircraft machine gun.

Type 4 Chi-To
Place of origin Empire of Japan
Production history
Designed 1942–1944
Number built 2
Specifications
Weight 30 tonnes (30 long tons; 33 short tons)
Length 6.73 metres (22.1 ft)
Width 2.87 metres (9 ft 5 in)
Height 2.87 metres (9 ft 5 in)
Crew 5

Armor 12–75 millimetres (0.47–3.0 in)
Main
armament
Type 5 75mm gun
Secondary
armament
2 × Type 97 Light Machine Guns
Engine Mitsubishi AL Type 4 Air-cooled V12 Diesel engine with supercharger
412 hp/1,800 rpm/37,700 cc
Suspension Bell crank
Operational
range
250 kilometres (160 mi)
Speed 45 kilometres per hour (28 mph)

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