The petcock does not come all the way out. It only opens up a bit to allow a small trickle of oil, which indicates if the oil in the oil pan is at the correct level. If you do not get a drip or a trickle, then the oil level is BELOW the petcock, and you need to add more oil until it DOES drip from the petcock.
The best oil you can put in your H is 15w/40 diesel oil because it still has the zinc additive that is needed in these old tractors. The oil that you put in your car or truck most likely does NOT have the zinc.
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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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