Comparing: Type 89 I-Go/Chi-Ro vs. Chi-Ni

Developed in 1929. The first Japanese tank with a diesel engine, which served as the main tank in the early 1930s. By the beginning of World War II, the design of the vehicle was already obsolete; however, it was widely used until the end of the war. Vehicles of this type last saw action in 1944 in the Philippines.

Developed by Osaka Artillery Arsenal as a replacement for the Type 2589. The Chi-Ni and the Chi-Ha underwent combined trials in 1937. The Chi-Ha was deemed more successful. One prototype was manufactured.