Never been around either one, but 6620 JD combine with the same engine as a 4440 burned twice as much fuel as a 550 massey with both combining the same acres. A 1086 or 4440 should be better than 986 or 4240 under the same load because the bigger tractors are turbo. Maybe Allan can tell us how his 966 and 1066 compare if he runs that 10 enough. Lee
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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