Looking at low hour Turf Tiger 52" cut, should i worry about the Kohler Command 27?

Hello everyone I'm new to the forum but it looked like there were a ton of very knowledgeable people on here so I figured this would be a great place to go for an honest opinion on Scags. Im looking at a 2005 Turf Tiger 52" cut with the Kohler Command Pro 27 hp. Does anyone have experience with these engines? It seems like the majority of people would rather have the Kawasaki but it seems that both of these are good engines with minor problems overall. It only has 300 hours on it and at $6500 I feel like its a good deal but the Kohler motor worries me for some reason, should it worry me or is it as reliable as the Kawi? Also does the Air vs Liquid Cooled engines really make much of a difference? I will only be using it to mow around 2 acres once or maybe twice a week. Thanks everyone and have a great day!!