box blade models bb5 bb6 recommended tractor horsepower hitch type cat 1& quick hitch compatible cat 1 & quick hitch compatible working width number of shanks height of moldboard side panels depth of bucket height vertical shank position 12" steel cutting edges shank beam 4" square tubing 14" thick tarter tarter push or pull-blades on both sides of bucket expand functionality ripper shanks can be raised completely for bucket- only operation tarterusa.com