DT-45 Armoured Railcar
The DT-45 was an experimental armored railroad car developed in 1933. It was self propelled with a diesel engine and was armed with a 45mm cannon in a T-26 turret. It also carried 3 machine guns, 2 in the hull and one in the turret. A radio was installed as well as a long range antenna mounted onto the hull. It did not go into production.