agreeing and adding to what others have already said...
Tractor Attachments And Skid Steer Attachments For Any Tractor Or Skid Steer = a good place to do your homework / research what type of attachments are out there. it is a good start point with videos and a good amount of text for the various stuff.
www.tractorhouse.com = a lot of used and new stuff, something to gauge against, when pricing stuff out.
SearchTempest: Search all of Craigslist nationwide & more = search multi nearby cities via craiglist / ebay.
TractorData.com - information on all makes and models of tractors = a way to compare general specs of tractors
Messick's | Dealer for New Holland, Case IH, Kubota, Cub Cadet and More | Online Parts, Sales & Service. = find online part manuals for many types of tractors in one spot. can be easier going through there website than actual manufacture website for find part manuals.
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looks like ya got it pretty good, it doesn't look like a bunch of dirt all put into the piles of trees and garbage that were made. just a couple inches of top soil scrubbed over, and looks like no major ruts / holes to deal with.
your big ticket items generally are.... tractor itself, cab, FEL (front end loader), and a 3pt hitch backhoe with subframe. everything else can be third party bought. or bought at later date without much gain/loss as for as $$$ if ya order the big ticket items at same time through same dealer, you are more likely to get a bigger discount overall. vs if you got the big ticket items as you saved up cash.
a lot of the little "add on options" can be extremely nice, from lights up on the ROPS (front and rear), to larger alternator, to TNT (top and tilt for 3pt hitch), to 2 to 3 rear hyd (hydraulic) remotes, to possibly 3rd function joystick for FEL (if running a grapel or like)
most manufactures have some sort of "build your own tractor" on there website. go through and figure out the options ya want... along with familiarize yourself with different options.
most likely a HST (hydro-static transmission) would be best for you.
for me R1 / agriculture tires are better, due to all the dirt roads/lanes and being on the farm. though R4/industrial tires might serve you better. if you can handle some spinning of tires in mud. during initial getting everything done and setup and go into general maintenance mode.
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you have a big list of things to deal with...
from electrical, water, dealing with water drainage on property, barn/shed for livestock, road/driveway, dealing manure of animals, and feeding of animals, putting in fencing, etc...
you most likely have enough tasks to justify a 3pt hitch backhoe with subframe, vs renting some sort of machine as needed for stuff ((a few rentals vs backhoe)). on other hand some folks save up a year or two of tasks and rent a excavator, and go weekend warrior plus maybe a day or two off work to get things done via rental machine.
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about only limiting factor that could come up, is if you wanted to deal with bigger round bails of hay to feed the live stock. and that is having a tractor with a strong enough FEL (front end loader) and unloading a trailer of round bails, and stacking round bails, beyond that. any tractor should work for ya. and with other notation, staying up in the CUT (compact utility tractor). there is a grayish line between SCUT's (sub compact utility tractors) and CUT's. SCUT's = riding lawn mower on steroids, when ya get into cuts, the frame of tractor is different, and you end up with more ground clearance (distance between ground and bottom of tractor), and a heavier overall tractor. (weight is a good thing, more clearance is a good thing).