76 hp should get any of the things you listed done!

Does the tractor you have in mind have the wide front end? If available, that would be much better with the FEL.
That is a pretty good sized tractor. (about 8,400 lbs.) Think it will be too big?
<img src="http://www.tractorshed.com/gallery/tphotos/a12566.jpg">
<img src="http://www.tractorshed.com/gallery/tphotos/a3901.jpg">