I just tried out the Xtreme 54" sleeve hitch blade. It did a good job leveling out the wider holes on the driveway. It would have done better if the ground was drier, but I don't think that will happen until next summer the way things are looking.
I got the drawbar weight box free with the 122 I bought. He also gave me a homemade lead weight that fits inside. I just took the bathroom scale out and it weighs in at 104 lbs. I think that would be a bit much for the blade, hence the old bar weights I have in it. If there was more gravel on the driveway, I don't think any extra weight would be necessary.
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Travis
1993 Cub Cadet 2064
1988 Cub Cadet 2072
1980 IH Cub Cadet 782 w/CH20
1966 IH Cub Cadet 102 w/K301
1961 IH Cub Cadet O
1967 IH Cub Cadet 102 & 122
JD 2155 w/ 175 loader