That's pretty slick.It's what I call my red-neck cutting brake. When doing a front dig with the rear axle disengaged and unlocked (I guess it is an open axle at that point, Jerry ), and the brake on one wheel engaged, it will pivot around that wheel.
Not quit a hydro cutting brake, but it was a fun little project to do.
I joined two stock levers...
View attachment 214882
...and split the cable at the equalizer.
View attachment 214883
I got the levers close enough together that you can still easily engage both simultaneously like a regular parking brake.