Su-14 (Soviet Propelled-Gun)
The SU-14 was one of the most ambitious self-propelled artillery pieces developed by the Soviet Union during the 1930s. Although it never entered mass production, it represented a significant attempt to combine the firepower of heavy artillery with the mobility of an armored vehicle. The idea arose within the context of the Soviet doctrine of deep operations, which required weapons capable of destroying enemy fortifications, machine gun nests, and artillery positions at long range. Soviet commanders sought a weapon capable of supporting mechanized forces. The project formally began in 1933 under the supervision of Soviet engineer Pavel Nikolayevich Syachintov, one of the leading specialists in self-propelled combat vehicles of the time. Development was carried out at Plant No. 185 in Leningrad, one of the main Soviet facilities dedicated to the design of experimental armored vehicles. The only prototypes of the vehicle were built there. The SU-14 was conceived as part of th...