The mod provides two tractors, one with a cabin and the other without a cabin. These are special models for working in vineyards.
After installing FS 23 into the game, two tractor models will appear in the store (white and red). The modDesc.xml file contains the code to add the mod to the game during installation.
Each screenshot is different, this tells you what the configuration is. But you need to figure it out yourself and choose it in the code.