Moisture content of the soil will dictate the results as much as implement choice,,
I have a VERY heavy land plane,, but, if you try to pull it when the soil is dry, you might as well scrape concrete with a soup spoon,,
So, around here,, time of year is as important as implement,, spring being the best,, after the soil warms up, but, is still damp.
Summer will work too,, but, you have to "catch" the right time of soil moisture,,
AND, remember, if the soil is too wet, there will be more ruts AFTER leveling,, than before!!![]()
This field is pretty loose and easy to work except where the grass is growing. There is lots of info here and on the links posted, THANKS. I like the idea of using a harrow. I may have access to one of those. I think it has two rows of pans on it. I hate to have to buy a grader scraper to use for this one job. I guess if I did I could just sell it afterwards.