John Ohara

The guards are adjustable you can see in the video one is down building up a berm and the other up throwing the dirt.

I'm debating whether to use this or a tiller to do a wider swale.

Try this:



This is a custom designed PTO powered device for cutting swales used in New Zealand.

Manufacturer is:  https://fieldmaster.co.nz/vortex-drain-cleaner