I've owned a S-717 and a 718. The 718 is a S-717 on steroids. The 718 will handle quite a bit more HP. and hold together compared to a S-717. As long as the knives are set up as mentioned below they will fill any wagon made. The one thing I would look at very closely before you buy it is the shear bar adjusting bolts. After a lot of hours the threads in the frame can strip out and then it takes some real imagination to figure out how to keep the adjuster bolts tight. The hay heads worked a lot better than the corn heads. Their corn heads were okay, but back in those days there were definately better working corn heads around. Another thing to watch. Every few weeks loosen all of the slip clutch bolts and run the pto and slip those clutch plates. If you don't the plates will sieze up and when you need it to slip it won't and you will destroy a lot of expensive parts unnecesiraly. Generally, they were a pretty decent unit for anything up a 110 hp tractor or so. Maybe a bit bigger if you don't try to crowd the chopper.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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