The Leningrad factory made the AMB-20 engines that gave 20 hp, a small 4-stroke engine with two cylinders. An air-cooled boxer.

-The AMB-700 had two versions, the Bolshevik I also known as M-24 and the 500 hp Bolshevik II that remained in prototype.

-The Bolshevik M-21 was built around 1929.