Main Page | See live article | Alphabetical index The ISU-122 was a Soviet self-propelled gun used during World War II. Table of contents 1 History 2 Variants 3 Combat History 4 Characteristics 5 See also History The ISU-122 was identical to the ISU-152, but had a 122 mm A-19 gun instead of the ISU-152's 152 mm gun. Variants Some vehicles were fitted with a 12.7 mm DShK anti-aircraft machine gun. ISU-122S: In later models the A-19 gun was modified, to have a semi-automatic breech block. This gun was designated D-25S. This increased rate of fire from 1.5 rounds/minute to 3 rounds/minute. Combat History A powerful assault gun and an excellent long-range tank killer. Characteristics Role: self propelled assault gun and tank destroyer Power plant: 450 kW (600 hp) Speed: road 37 km/h Range: Length: 9.85 m Width: 3.07 m Height: 2.48 m Weight: 45.5 tonnes Crew: 5 Armament: 122 mm A-19 gun, with 30 rounds Armour: See also Soviet tank production during World War II This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.