Spintires - IS-4M V0.0.1
This model is published as material for experienced modders. The fact that this is a tank does not matter. The whole feature of the model is in the tracks. The model has seven rollers. Three support rollers, front sloth and drive sprocket.
So, with this model, there were problems. I equalized the volume of the SDT truck with the SDT rollers and the sloth. But the leading star is nearly three times that size. Perhaps you need to configure the config more precisely. Strongly squanders FPS. The passability is very poor, the diameter of the rollers is small. Model in the archive with all sources of max and photoshop. The model is taken from the public domain. Most likely from WoT.