the 580E was the first to have the 4-390 installed they started in 1983, a few "test" engines were installed in 580D's so that puts that back at least a year for testing, the 680K had the 6-590 starting in 1984 and I am sure they did the same type testing with it also cnt
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Today's Featured Article - Fire in the Field A hay fire is no laughing matter-well, maybe one was! And a good life-lesson, too. Following World War II many farm boys returned home both older and wiser. One such man was my employer the summer I was sixteen. He was a farmer by birth and a farmer by choice, and like many returning soldiers, he was our silent hero: without medals or decorations, but with a certain ability to survive. It was on his farm that I learned to use the combination hand clutch and brake on a John D
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