The American 60 used the Oliver 1550-1555 transmission and rear end. The American 80 used the 1655-White 2-70 transmission and read end.
The one big problem with the 60 was that the 1550-55 didn't have a differential lock. They tried to put one in the 60 by changing something in the pinion,don't remember just how it worked,but the early ones leaked in to the brake. They came up with an improvement and update kit,but they also drilled a hole to drain the oil out just in case. But so far as I know that was the only weakness.
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Today's Featured Article - A City Guy's First Tractor - by Fred Hambrecht. After living in apartments in Atlanta for more years than I care to remember, the wife and I decided to move to the country. Humming "Green Acres is the place for me..." we purchased a 29 acre tract about 60 miles south of Atlanta. Next came the house, I could talk about that ordeal for another two weeks... But, I want to talk about my tractor! We didn't even own a lawnmower, and all of a sudden we had enough grass to feed all the starving children of the bovine world. Naturally, I talked
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