Shi-Ki is a command tank based on the Chi-Ha chassis. Shi-Ki had a new turret with one MG and equipped with observation devices in it. Shi-Ki is similar to Chi-Ha except for the turret, but it is also different on the following points.
1) Mounted a 37mm gun on the hull
2) Flat glacis plate
3) Two headlights on both edges of the bow
4) Slightly higher hull than Chi-Ha
Shi-Ki was produced in small numbers and used mainly in tank schools. Normal Chi-Ha tanks were used as commander tank in action.