Should be ok under general conditions. From what I can tell, the L4400 doesn't have draft control. That means that you should not be surprised when those R4s spin occasionally when the BB happens to take a really big biteI have R 4 tires, 6 foot with scarifiers would be fine
I have R 4 tires, 6 foot with scarifiers would be fine for me soil is hard to say, mostly soft dirt 4 to 5 inches, below that starts rocks and stones, and of coarse in the middle of the field, a huge boulder sticking up, thanks for the help. Dennis