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  1. Sheepacres

    2020 McCormick Tractor DPF regen issues

    I have a 2020 X.135 with the Kukje engine. It has 250 hours on it. I know in the beginning, I was not doing what I was supposed to do by keeping it at a higher idle. I had performed a few regens on it and never had an issue. However, this winter, it started to "de-rate" itself for any use, PTO...
  2. Sheepacres

    DPF De-rating issues

    Hello all, looking for some additional advice. I have a 2021 X1.35 McCormick Tractor. It does not get used often during the winter months, but when I do use it I was not keeping the throttle up where I should have. Now that I am trying to use it more often, I am trying to keep the throttle at...
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