Type 4 75mm AA Gun
- Introduced Year : 1944
- Caliber : 75 mm
- Barrel Length : 4.23 m (L56.4)
- EL Angle of Fire : -5 to +85 Degrees
- AZ Angle of Fire : 360 Degrees
- Shell Weight : 6.25 Kg
- Muzzle Velocity : 860 m/sec
- Weight : 5.85 ton
- Range : 17,000 m
- Altitude : 10,000 m
- Production Qty : 70
Type 4 was a dead copy of Bofors M29 75mm AA, which was captured in China. This gun was also used as the main gun of Type 4 Medium Tank.