Posted by JD Seller on February 27, 2018 at 19:00:19 from (208.126.196.24):
In Reply to: Planter hydraulics posted by caterpillar guy on February 27, 2018 at 12:26:19:
Your correct in that pressure only effects lifting force butttt you need flow with pressure to lift. I have seen a lot of IH tractors lose pressure when you demand flow. The newer tractors operate at 2750 PSI and up the old 2250 PSI standard is not enough anymore. Also when I check older tractors very few of them are even at 2250 PSI anymore. Lots of 1500-1800 PSI when hot and with a flow demand.
The 66 series IH tractors had lots of things that were good about them but the hydraulics was not one of them. The double pump system was designed for operating a cylinder with 8-10 inches of stroke. Now put it on a planter that may need to fill 4-8 cylinders with a demand of 2500 PSI of so and they do not do well.
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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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