I guess if I had a real complaint it would be there is no screen in front of the radiator. You got the one in the grill, but you will have to blow out the radiator when the unit starts to get warm instead of pull out a screen and tap it on the tire or something and go again.
It would slow down the process for sure but when dust gets bad enough the screen don't help much. Keep a paint brush with you and you can brush off the front if it gets matted up.
Some how manages to get past the grill in the screen and on front of radiator. I carry an air tank in my pick up and blow it out from the back of radiator toward front of tractor.
Working on installing a 12 volt air compressor system on my pick up just for this reason.