No clutch means unwind by motor=pain in the butt....
I would use a long strap, keep your tractor high on level ground and use the tractor to pull. Will be much faster.
To drag logs after hurricane Sandy, I was cutting them in 10-12' lengths, dragging a 15' strap with my ATV. Helper had a short chain with hooks to connect logs to strap. Went pretty quickly.
Think I used a few of these:
https://www.harborfreight.com/2-inch-x-20-ft-heavy-duty-recovery-strap-67232.html