Hey,
Did you see the Woods's new rotary cutters ? There are some improvements. On the other hand they have removed rear bumper and put a z channel instead of that. What we are talking here is so important. As you can see they have add real rep. skid shoes which will not dig the ground. Support wheel connection easier than before.
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If that replaces the BB72 it has a few nice features. But it almost looks like it's a compromise between the BB72 and the BB720. If this is replacing the BB720, I'm really glad I bought mine earlier this year!