About your mowing needs,
You could purchase a flailmower with a
hydraulic shift kit to allow you to mow
close to fences and trees.
But- you have to be more worried about your tractors-
1. three point hitch and its maximum weight lifting ability.
a. The available horsepower at the Power Take Off at the 540 R.P.M.
engine setting on the tachometer of your tractor for various mounted integral implements.
2. whether it has a hydrostatic transmission which is a very large power drain on the
power train of a small tractor.
b. this will also affect the tractors ability to mow under full load.
You cannot get better finish on good turf or old pasture to good turf you
are attempting to improve with mowing, seeding and herbicide use for
broad leaf weeds and invasives.
You could purchase several brands of 48 inch flailmowers that are three point
hitch mounted if desired and not be limited with overloading your three point
hitch weight.
There are brands of these mowers I will not recommend due to a number
of reasons.
I would like you to contact Ken Sweet through the forum here about a rear
mounted flail mower for your tractor as he is a forum sponsor in good standing
and he can help you with this if you decide to pursue this type of finish mower.
1)The 3point lifting capacity on my 850 is well above the advertised weight of the 72" flail mowers that I have looked at.
A) PTO HP is 22.
2) Not a hydrostatic
I'm not sure I know what you meant with the rest of what you said...mowing, seeding, herbicide...I will be mowing well established lawn, mostly bermuda grass.