@DotardTed @PawelK @sickcodes You mentioned a radiator. Radiators can be relocated trophy truck style. The armor is going to essentially be irrelevant as a few kg of RDX in a shape charge is going to destroy the equipment. Save the tractor.

If traditional plowing is going to be used, I would recommend getting a destroyed heavy tank running again and using it instead. It could be operated via remote control and it doesn't matter if it has no turret attached. It just drives, plows and takes the damage. It should last a field or more if the plow is made from thick armor steel.