Cars 81-717 – head, and 81-714 intermediate; all wagons are motorized. They are known as the 81st series, but the model itself, in principle, is not the “81st produced type of car” (starting from the first produced by Mytishchi machine-building plant of the car type “A”).
OJSC Mytishchi Machine-Building Plant (Russian: Мытищинский машиностроительный завод) is a Russian manufacturer of dump trucks and armored tracked vehicles. The plant was formerly part of Metrowagonmash, from which it was spun off in 2009. As of 2016, it is managed by Kalashnikov Concern.
OSJC Mytishchi Machine-Building Plant has produced air defense vehicles for the military and has a design bureau for development of these weapons. It also makes products for the civilian automotive industry.
The factory was a major supplier of anti-aircraft materiel for the Soviet Union in World War II.