A single XO-121 was Oliver's research tractor in the mid 1950's. Some of the developments were later designed into Oliver 1800 tractor engines. It looks to be an 88 tractor with an experimental 199 CID four cylinder engine. The XO-121 prototype was painted a distinctive red body, with silver engine, green wheels and a unique chrome grill.
A 1996 book by T. Herbert Morrell "Oliver Farm Tractors says the the prototype tractor was given to Iowa State University, Ames, Iowa for display, then was given to the Living History Farms in West Des Moines. The tractor was restored to its original look and added to the Floyd County Museum in Charles City, Iowa.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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