Yes, the John Deere CX-15 I have is a 15’ rotary cutter.
No, it’s not used to cut hay fields. It’s used to cut non-hay fields.
The John Deere CX-15 Batwing rotary mower is used to mow fields that are not hayed.
Like this:
View attachment 3961421
When we cut/bale hay, I use the Massey Ferguson 7495 with the (2) Pottinger hay mowers. They have a completely different mowing process than the John Deere CX-15.
These mowers have several smaller “disc” mowers and the conditioning tines you see underneath the mower.
View attachment 3961420
Here’s the mowers lowered into cutting position. Cuts a 21 foot swath.
View attachment 3961422