Hello, I am French, so excuse me if my explanations and terms used are not always correct. You can't find much on US tractors on French-speaking sites. I recently purchased a 580 CK which works well overall except it lacks power to go forward and reverse, especially uphill and for pushing with the loader . You have to accelerate hard to make it move. It uses a torque converter and I think the problem comes from the old oil which I will replace with dexron III, as well as change the filter in front of the radiator. I also saw that the problem could come from the pump tube-suction screen which would be clogged. So my questions are: Is the diagnosis correct? And how to clean this pump filter easily. Thanks for your help.
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