The reason I said to ignore it is because it's a stupid error on the part of person who put that information there. I telephoned them and spoke to one of the tech guys at that site and he then checked with Parker. He told me that they would correct their website but after 2 years, I've given up trying.
I have recommended this pump to at least a dozen people who went ahead, bought it, installed it and used it. Not one person has come back to me and said that they had issues installing it or using it. You will not find a pump anywhere for that kind of money but you are welcome to try.
I don't know of a Colt, Case or Ingersoll GT that has a relief setting higher than 2200 PSI. This pump is perfectly capable of producing that much pressure with safety.
The only time that you see pressures over 2000 is when you are rototilling tough ground.
I guess I'm following you but just because a pump can run a tiller at 2000 psi and hasnt broken doesnt mean it can do it for 5 to 8K hrs. You wouldnt want to spec out a pump thats only going to handle 2000 psi at its rated flow for 100 hrs if you need one that is going to last 5K hrs between replacements. I dont know what the industry standards for pump ratings are though.
5000 hours is a nice dream but some Case owners have reported getting as little as 800 hours out of a replacement pump and he was not talking about this pump.
There are many factors that can affect the life of a pump but the lack of clean oil is a major contributor to early pump failure.
Case has used pumps from Barnes, Parker, Cessna and at least 5 other brands. We have no idea what the max PSI rating was for any of those pumps. Even when using a tiller, the pump pressures will be commensurate with the difficulty the tiller encounters.
If you are preparing a large garden in virgin ground, then it is wise to open the soil with a ten or twelve inch single furrow turning plow, followed by a disc harrow, followed by bi-directional or tri-directional roto tilling. By the time you get around to using the tiller, the ground is relatively easy for the tiller to turn soil into the consistency of flour and therefore the pressures don't get all that high.
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