Pre-war truck mod for mobile FS 2023, this is the ZIS-5 model. In the screenshots you see a chassis with a booth and a tank, this means that the mod consists of two trucks.
One model ZIS-5 is designed to transport bulk cargo in a flatbed body, and the one with a barrel is designed to transport fuel. A Booth and Tank mod was made for the FS 2023 farm, which is still in the Second World War.