Following insignia was painted on both sides of the turret. They are a Hiragana or a Chinese character. The vehicle number was painted on both sides of the hull.
- Insignia since 1941
HQ
1st Company
2nd Company
3rd Company
4th Company
Maintenance Company
- Insignia since 1943
HQ
1st Company
2nd Company
3rd Company
4th Company
5th Company
Maintenance Company
3rd vehicle of the 3rd Company in Malaya