Well, with a 40 acre farm, I basically have two types of mowing. My old 8N did the field mowing with a PTO mower. But 8Ns were not really designed for moving PTO use. The primary use for the PTO was as a belt drive power supply.
The hydraulic pump was driven by the PTO shaft. So, when you pushed in the clutch to stop the PTO, you lost hydraulics. If I bogged down the mower, I had to stop, get off, disconnect the drive shaft, crank the tractor back up and lift the mower out of whatever stalled it.
Then I could drive away, stop and hook up the mower again.
Plus, the lowest gear on the tractor was a little too fast for mowing in really heavy stuff.
That last part was what kept me from mowing the yard around the house with the tractor. You had to max out the throttle to keep the mower spinning fast enough to cut, which left you spinning around the trees and house way too fast for safety.
So, I bought a Snapper rider.
After a while, the PTO mower started showing signs of impending failure. Gear box was going to have to be rebuilt, drive shaft needed new bearings, and the frame was cracking in a few places.
While I was pricing a new one small enough for my 8N to handle, I discovered the joy of self powered pull behind mowers. I bought a 5 foot brush mower from an outfit called Rough Country. It had about a 20 horse Briggs on top of the deck, with a centrifugal clutch which drove a belt.
The belt drove a shaft that went down through the deck and spun a 5 foot blade. They said it would cut up to a 3 inch pine tree, and it would. I could hook it behind my 4 wheeler, and cut the field, or food plots in the woods. Since the onboard motor ran maxed out regardless, I could gear the pulling vehicle down and run at whatever speed I wanted.
A friend of mine saw it and bought him one. A couple of years later, he bought a tractor with a belly mower, and gave me his pull behind for parts. I fixed it up. You could adjust the pull bar to position the mower from a full mower width off to either side to straight behind.
For a while, I put both mowers side by side behind my 4 foot cut Snapper, with them shifted to either side. 14 foot cut width with one pass!
The mowers finally mostly wore out, but would still be usable. The company seems to be out of business though, and I have no source for a single 5 foot long mower blade.
The pull behind mower companies that are still out there, use a "bush hog" type blade system, with two swinging blades on a center disk or shaft, I had considered trying to convert my mower over to that system, but now I have the Mahindra with the big Brown PTO mower.
Its more than enough to do the field and food plots, and I can put the tractor in low range and mow at what ever ground speed I want with the engine running at correct PTO speed. Plus, since its a live PTO and live hydraulics, I can do height adjustments or even push in the clutch and stop the tractor while the mower keeps spinning.
But, since you already have a 4 wheeler, consider a self powered pull behind mower. Tough, fast, and can cut a large area fast. The final cut is not bad at all. About the same as a regular riding mower I would not mow a golf green with one, since its not up to the task of a finishing mower, but it will get the job done.
Try to get one with electric start. Its nice to pull up to someone, kill the 4 wheeler and mower, talk with them for a while, then just crank back up and go on without getting off the 4 wheeler.