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Type 2 Ka-Mi


As Japan planned its military expansion in the Pacific in the twenties, it was realised that amphibious tanks would be needed to support Imperial Japanese marines in island landings. In 1942, after several trials, the Type 2 Ka-Mi, based on the Type 95 Ha-Go light tank, was designed.

The design featured a detachable steel hollow bow and stern, which provided flotation. After landing on the beach, they would be jettisoned from inside the vehicle, and the tank would operate normally. Propulsion was done by two propellers driven by the main engine, allowing a speed of 10 km/h with a range of 150 km. Steering was done by wire-controlled rudders by the commander. While more integrated into the armor layout, the design inspired the later US Duplex Drive Medium Tank, M4's.

By the time the Type 2 Ka-Mi was encountered by the Allies, it was largely limited to a defensive role.

Technical Details

Type 2 Ka-Mi
Crew 5
Physical Characteristics
Weight 12.5 t
Length 7.42 m
Width 2.79 m
Height 2.34 m
Armour (max) 13 mm
Speed (road) 37 km/h
Engine Mitsubishi A6120VDe
Net h.p. 115
Cylinders 6
Primary weapon Type 1 37 mm (1)
Secondary weapon Type 97 7,7 mm (2)


Front and left side of a Ka-Mi.
Right side, showing the bow and stern attachments.

Further Reading


  1. FOSS, Christopher F. The Encyclopedia of Tanks and Armoured Fighting Vehicles : The Comprehensive Guide to Over 900 Armoured Fighting Vehicles From 1915 to the Present Day. Staplehurst : Spellmount, 2003. 544p. ISBN: 1-86277-188-7.