The first Japanese post-war tank was developed on the basis of U.S. vehicles. The STA-1 was developed, taking into consideration Japanese terrain, rail network specifications, and anthropometric data of Japanese tankers. Only one prototype was built, in December 1956.
Commander
Radio Operator
STA-1
Mitsubishi DL10T
JAN/GRC-4Z
STA-1
90 mm Rifled Gun
STA-3
Mitsubishi 12HM20WT
STA-3
90 mm Gun Type 61
Characteristics are specified for vehicles with crews trained to 100%.