TractorData.com Mahindra 3535 tractor information
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TractorData.com Mahindra 4035 tractor information
fully synced power shuttle shift transmission
or
HST might be worth while
most likely would want "left and right" rear steering brake pedals. on opposite foot of of the gas/throttle pedal/hst pedal.
differential rear lock for rear wheels might be wanted.
R1 AG tires most likely wanted vs R4 industrial or turf tires.
48 acres, and you most likely have some dirt roads / driveway and/or gravel driveway to deal with on the property, so going to assume, needing for rear blade / box blade, land plane, and/or some other rakes, to help smooth out and maintain these roads. with that said you will most likely find...
TNT (top n tilt) for the 3pt hitch a worth while investment.
3rd function remote for rear of tractor, more so if going with TNT, or perhaps 3rd function for front end loader, for a grappel style bucket for the FEL
you may end up getting "chains" for rear tires to help with mud/snow/ice granted, 4x4 / MFWD can do a lot.
your notation of FEL (front end loader work) most likely will want a bolt on straight edge for front bucket, to smooth / back drag stuff out, then perhaps a tooth bar to help with digging with the FEL.
if option you may want to get the "larger" alternator for your tractor, to deal with any additional higher up front lights, and/or higher up on rear, rear lights. and/or for a cable winch
FEL with a bucket, and then backhoe, along with tractor are normally the TOP ticket items, and everything else can be had from third party vendors perhaps cheaper. for implements / attachments for the tractor. if ya going to get a backhoe, get it now, and see if you can get overall lower price going for you.
if you don't weld, then hooks for front bucket would be advised installed at dealership before it is delievered.
bush hogging (rotatory cutter) you may just get slim basics of a 3pt hitch (lower lift arms and top link) you may need to purchace sway bars/chains and/or check chains/bars. rotatory cutters can act like a "dog wagging its tail" were there rump moves along with there tail. 3pt hitches are great at pulling but not so much on side to side forces placed on them. without the sway/check bars/chains on.
telescopic 3pt hitch lower lift arms makes attaching to 3pt hitch stuff easier, same with pats easy hitch, and/or quick attach. anyone of them makes attaching to 3pt hitch stuff much easier!
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it is all in the little details err options. you get the basic tractor, but many of those little options makes life so much easier. but at same time can get rather costly.
some times going with a smaller tractor with all the little stuff, can pay off much, much more, vs a larger tractor with just the basics. smaller tractor may take a little extra time for some stuff, but can still get the job done.