I loaded a fresh save on a base game map with just the following mods enabled: Easy Dev Controls, Realistic Cab View, and your 2024 9RX. The log didn't save for just this, but the console provided this warning (taken from my full save, errors are for all of the tractors and are the same). Seems the "vehicle.lua" is the culprit for me. Hopefully this helps, I'm not very savvy with working out conflicts with mods and I'd love to run your tractors!!
2023-12-19 16:45 Load mod: FS22_tf_modding_9rx_2019
2023-12-19 16:45 Error: Can't load resource 'dataS/vehicles/Vehicle.lua'.
2023-12-19 16:45 Load mod: FS22_tf_modding_9rx_2022
2023-12-19 16:45 Error: Can't load resource 'dataS/vehicles/Vehicle.lua'.
2023-12-19 16:45 Load mod: FS22_tf_modding_9rx_2024
2023-12-19 16:45 Error: Can't load resource 'dataS/vehicles/Vehicle.lua'.