|Engine Power (hp)||500|
|Speed Limit (km/h)||45|
|Standard Shell Penetration (mm)||132 - 178|
|Standard Shell Damage||169 - 281|
|Rate of Fire (rounds/min)||7.9|
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.