The vehicle was developed at the beginning of the 1930s by the Design Bureau of the Kirov Experimental Machine Building Plant No. 185 (Leningrad). The project based on the T-26 light tank was designed for supporting mechanized units. Three prototypes with 76, 122, and 152 mm guns were produced. The variant with the 122 mm gun saw mass production. A total of 30 vehicles were supplied to the army. The project was discontinued in 1937.
76 mm Gun mod. 1902/30 40 clb (damage per shot: 180):
152 mm Mortar NM mod. 1931 (damage per shot: 350):
122 mm Howitzer mod. 1910/1930 (damage per shot: 300):
76 mm Gun mod. 1902/30 30 clb (damage per shot: 180):
Expected
frags:
0.98
Expected
spot
0.10
Expected
defense points
1.53
Expected
winrate
51.00%