- Introduced Year : 1892
- Caliber : 280 mm
- Barrel Length : 2.863 m (L10.2)
- EL Angle of Fire : -10 to +68 Degrees
- AZ Angle of Fire : 360 Degrees
- Shell Weight : 217 Kg
- Muzzle Velocity : 142 to 314 m/sec
- Weight : 10.758 ton
- Range : 7,800 m
- Production Qty : 327
This gun was designed as coastal gun and deployed in the coast fortress. During the Russo-Japanese war, 28cm Howitzer was transported to the battlefield and bombarded Russian. Especially, it bombarded Port Arthur heavily and much contributed to its occupation.
Though 28cm was old designed artillery, it has been used until the end of WWII.