Flail mowers rely on a somewhat "venturi" effect to mulch the material. So much over 5'' it will not work well as there is too much distance to keep the material at working space. between 2-4 is optimal it seems in most cases, but there is exceptions. I went through two kinds of flail mowers for...
They put so much plastic @#$%^&* on engines these days. They're not meant to last, 80-100k then buy new. VERY environmentally responsible? Rite ..........rite </sarcasm>
I'm rocking a 2004.5 with an LLY currently sitting at 224k miles, not much rust and no blow by in engine. Occasionally a no start condition when hot weather hits due to air getting in fuel line. Causes from injectors to crack in low pressure side fuel supply to filter head......still figuring it...
These T474 are excellent companions for most common things a homeowner/small homestead can get into. I'm starting my side gig mowing pastures on the side for this season.
I use my 6' to reclaim the gravel the rain takes down the driveway all the time, off course it's not 1 mile long.....more like 1/4. But I only have to do the hilly section.
in 2019/20/21 we had 3 years of consecutive high wind events 80+mph that took down all the matured trees (100+) on our 30 acres. Took us 3-4 years to clean it up gradually, now it looks like a meadow. Elk and wild turkey has started to show (Not bad).