hello, I'm looking at buying a woodchuck hyroller 1200 for sale locally. It has a 110 horsepower diesel engine. Appears to be in good shape in pictures, I'm going to look at it tonight. I'm wondering if there's anything in particular I should look for? The price on the machine is $5500, which seems very reasonable.I have rented one of these machines before, and it seems to work very well and its time to upgrade from my whisper chipper, this may be the right machine. Any input is greatly appreciated Thank you