Self-propelled, mechanically-driven and rear-mounted, heavy-duty and standard-duty Rear PTO Flail Mowers move behind the tractor. 

LEFA farm machines videos for your refference:

Mi-heavy Flail Mower (EFG) https://www.youtube.com/watch?v=O_tVXodWdN8 

Light side Flail mower (EFDL)https://www.youtube.com/watch?v=Bh73zRIYBpc 

Middle Heavy Side Flail Mower(EFGL) https://www.youtube.com/watch?v=ZuWSCmiPows 

Topper Mower(TM) https://www.youtube.com/watch?v=VLUEyam_5DY  

Finishing Mower: https://www.youtube.com/watch?t=33&v=iH6uQiqEyuQ

Light Duty Rotary Tiller(RT) https://www.youtube.com/watch?v=jphaylxaKUg 

Potato planter: https://www.youtube.com/watch?v=XeaJxUBR0EU

Potato harvester: http://youtu.be/ztPLsZ74PJY.