Depends like others have said. Studies show that in tilled ground duals can burn more fuel. Now, what was compared was a mfwd tractor with and without duals... same tractor just dropped the duals. This is assuming the tractor is large enough and weighted correctly yada yada yada. Without duals there is basically only 1 set of tire tracks. The fronts compact most of the track for the rears and that is what takes the most power/fuel. Drive your truck across a freshly worked field then drive back in the same tracks and you will easily be able to tell the difference. Anyways, with the rears running in the compacted area you only have to compact one set but with duals you have to compact the first set and an additional set. So, it depends and I don't remember how much it saved running without the duals but in theory that is how it went!
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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