Forty and sixty years ago tractors were designed for about 10,000 hour life figuring they would be traded off in five to seven years, obsolete in ten years and worn out in about 20 years. That met the needs of the new tractor buyers at that time. Productivity and reliability were the primary considerations for new tractor buyers. Trade-in value and usefulness for the 2nd, 3rd and 4th owners was secondary to new tractor buyers. I'd be curious what the design life and new tractor buyer's expectations are for today's field tractors (not the lighter consumer grade tractors used on estates). I'd guess today's design life is around 50 percent longer than it was 50 years ago: traded off in ten years, obsolete in 15 years, worn out in 30 years?
Back in those days tractors were still built in 1,000's and 10,000's of each model per year. We see the surviving tractors that generally were used less hard than average or were maintained longer than intended for sentimental reasons. Today's tractors are built in much smaller numbers and seem to be worked harder than tractors were fifty years ago.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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