Given the existence of the rear door, it's a Russian BA-3 armored car, originally produced in 1934, mounting the turret from the T-26 light tank with a 45mm gun, built on the chassis of the Ford Timken trucks produced in Russia at the Izhorskij factory.
At the time of its introduction, the BA-3 was the most heavily-armed armored car in the world, other nations' armored cars acquiring comparable armament only several years into WWII. However, battle experience revealed the practical impossibility of their deployment on the front lines due to poor off-road capability.