No, the 1010 didn't have valve-seat inserts. Valve seats were ground into the head casting. The 1010 DOES have exhaust valve rotators.
The new engine that followed in the 350 also did not have any seat-inserts. That was the Dubuque/Manheim 300 series engine. 3 banger in the 350 and 1020, 4 banger in the 2510, 2020, 450, etc. 6 banger in a 540 skidder, 4030 tractor, etc. I don't recall seeing factory seat inserts in any of them until turbos came out - or French built (Saran) engines were used.
As I recall, it was the Deere Waterloo engines that first appeared with seat-inserts but maybe somebody will correct me.
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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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