I think the gauge being pegged when running on gas or on deisel at low idle is normal. Both my MD and 450 diesels seem to have the gauge pegged at idle. When the auxilary filter on my MD started to get restricted, the gauge would go to the low side (in the red) under a heavy pull. I think the operator's manual says to check the gauge at high idle and it should be in the white. Is it possible the primary filter is restricted causing the gauge to read high but no fuel being pushed through. I have never changed the final filter on my MD and I have owned it for over 45 years. Have you checked or replaced the final? Al
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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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