Try reading up about them. Ones that can be run in vertical position are used for trimming hedges.Like a giant hedge trimmer? I don't think thatl work,,,
from Feraboli Rossi Farm Maxx Sickle Bar Mower5 1/2 Foot Farm Maxx (Rossi) Hydraulic Lift Sickle Bar Mower
Perfect for small hay operations, pond and ditch mowing, vertical hedge trimming,
May be a dumb question but are all 3-point hitches alike?
Yep. The dimensions are standardized and all the tractor manufacturers follow the standards. They have to since all the implement manufacturers follow these standards.
But there are three sizes for tractors under 100 hp (engine): Category 0, Category 1, Category 2. Most CUTs have Cat 1 hitches. SCUTs tend to be Cat 0. Once the engine size exceeds 60 hp, you'll find Cat 2 hitches.
Get more info on hitches here
TractorData.com - Three-Point Hitch
Good luck