Type 45 24cm Howitzer
- Introduced Year : 1912
- Caliber : 240 mm
- Barrel Length : 3.892 m (L16.2)
- EL Angle of Fire : -2 to +65 Degrees
- AZ Angle of Fire : 360 Degrees
- Shell Weight : 200 Kg
- Muzzle Velocity : 387 m/sec
- Weight : 33.058 ton
- Range : 10,350 m
- Production Qty : 80
Type 45 was the first heavy artillery that Japan has designed totally by oneself. Type 45 was first used against the Germans at Tsingtao in 1914. In the Pacific War, it was used in Hong Kong and in Bataan and Corregidor Island of the Philippines in 1942. In 1945, it fired against the Soviets which invaded the Manchuria.