As stated, your results will vary a lot with soil conditions. Here is a box blade I purchased and it has adjustable scarifiers. I pull it with my 2072 and it did a good job on my hard packed gravel driveway which had no maintenance for over 10 years. It took about 20 passes with the teeth down to break it all up, then several more with just the blade to work it level. We had a few days of rain just prior to me doing this project so the soil was moist.
I purchased this one off of Ebay and it was less than $300 shipped to my door.
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149, 2072, Original, 1772, 1782, #1 cart, Parker 48" sweeper,
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