Yes that one was used on 450 and part of the 400 LP tractors. Parts books list a engine serial number break for 400 tractors. I posted the tractor serial number above that the engine came in. After you see how that head is made compared to others, all you need to do is reach up under a hood and feel above the manifold to tell if its the small combustion chamber LP head.
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Today's Featured Article - The 9N Lives Again - by Tyler Neff. I often reminisce about the good old days of my youth when I visited my grandparents on their farm in Moorefield, West Virginia. I lived in Middletown, Maryland, which was about two and a half hrs away from the farm. During my summer vacations I would spend two weeks helping granddad Wilmer with his farming duties. Wilmer and his brother Weldon owned the �Neff� farm. Th
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