Looking at a second hand sumitomo sh75 track digger. I'm a novice at diggers but have alot of yard clearing, draining and ditching to do. Is there anything I should be asking/ looking ng out for? Info so far is - 5400h, good rubber tracks, 5', 3'and 1'feet buckets, quick hitch, been told the slew swing is pretty tight and all rams pipes are good. A bit of play in some pins but that'll be expected for number of hours. Not sure what else to ask about.