Comparing: M3 Stuart vs. Type 98 Ke-Ni vs. Type 98 Ke-Ni Otsu

Developed in 1938 through 1941 on the basis of the M2. Mass-produced from 1941. More than 13,000 vehicles in various versions were built, from the M3 to the M3A3, all of which were supplied to almost every allied nation under Lend-Lease. The M3 tanks were designated Stuart I by the British, while the M3A1 version received the designation Stuart III. The M3 first saw action in the battle at Sidi Rezegh.

A further modification of the Ha-Go developed by Hino Jidosha Kogyo. Despite the improved dynamic characteristics, the tank did not replace the Ha-Go. About 100 tanks were manufactured by Mitsubishi and Hino.

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.