Comparing: Pz.Kpfw. I Ausf. C vs. Type 2597 Chi-Ha vs. Type 98 Ke-Ni Otsu

The initial order for this tank was placed in 1939. It was originally conceived as a high-speed reconaissance tank for airborne units. Mass production started at the beginning of 1942. In early 1943 two vehicles were deployed with the 1st Tank Division. Another 38 vehicles were deployed with the 58th Reserve Tank Corps in the summer of 1944.

Developed by Mitsubishi from 1935 through 1937. The vehicle was mass-produced from 1938 through 1942, alongside an upgraded Shinhoto Chi-Ha for the last two years, with a total of 1,220 vehicles of both types manufactured. The Chi-Ha and Shinhoto Chi-Ha tanks were widely used by Japanese forces in China, and after Japan capitulation, these vehicles were used by both the PLA and Kuomintang forces in the Civil War of 1946.

A modification of the Type 98A Ke-Ni light tank with the Christie type suspension. Developed by Mitsubishi in 1939 under the influence of the Soviet BT-7. Only one prototype was manufactured.