I have a high-flow machine with a high-flow brush cutter but I still choose to run it on standard flow 90% of the time. I'm really surprised how much better it is on fuel. Occasionally high-flow is nice and really does make a difference but for the most part, I'll continue to operate on standard flow. Great vid!
Have you cut any tall grass fields with this model and how was it. I'm considering this specific cutter but have heard mixed things about it when cutting tall grass/weeds that it wads up under the cutter because it can't get out the back end since its closed off.
It depends on what your mowing. When I didn't have a tractor the brush cat was great. It would mow like a tractor would. Nice and smooth and followed the ground. But it was limited in the size of material it would mow. The tree reaper will mow and kind of lightly mulch up and clear heavier brush. So it depends on what your doing with it.