Raptor Flip Deck

Looks like it's coming with a 25HP KT740 Kohler. Any comment good or bad on engine? Also, I have a pretty rough bouncy lawn, and it beats me up a little on my Craftsman 44" garden tractor. The flip deck has 20" rear tires. Therefore, wondering about the tires.

FYI, have never owned a ZTR. Thanks.