[AT] O.T. -- Tires; Turf VS Lug

[Herbert Metz]

O.T.   ---   This information is for a good friend who plans buying a new tractor.
This discussion concern is turf tiresVS lug tires for a new J.D. 2305 with 54" belly mower that will be used primarily for maintaining five acres of GA soil that is sloped (average slope is 3/12).     The lug tires have a 3/4" wide x 3/4" high bar with 1 1/4" between bars; bars are perpendicular to travel in center of tire and approx 45 degrees to travel at outer 1/3 of tire.     I am not sure of the kind of grass, but it appears native in that  tthe only maintenance is mowing.    Ground is just north GA soil, mostly red clay; and normally very hard.   
 Will these lugs (rear tires are approx 20" high x 8" wide) on a J.D. 2305 tractor tear up the grass and/or soil?     
The. 2305 has front wheel assist with useage optional.(front tires are approx 14" x 8').
Should one be concerned about slippage of turf tires on wet grass on such a slope?
Is wear on front end less when using only rear wheel traction?
Herb