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Message: <blockquote data-quote="goodtech" data-source="post: 4429" data-attributes="member: 259"><p>Never get the kubota engines over 220 degrees you will have severe problems. There heads love to crack around the valves to the glow plug holes. A used head is hard to find and a new one on the average runs about 1800. That is about the only down fall I say that the 743's have. You overheat the engine it is done with usually, because after you crack the head, water seeps in the cyclinder, you go to restart it and it usually bends a rod or two. Just something to watch out for. if you think it is overheating go to your local harbor frieght and buy yourself a laser heat gun and check it, they are about 20.00 dollars and cheap insurance.</p></blockquote><p></p>