Need more info - like what the backhoe is and what type of control valve is on it. I'll assume your pump is a 1.4 cubic-inch-per-revolution? You can't go much bigger since it takes 29 horse to pump 14 GPM at 2500 PSI. That's kind of small for a backhoe but maybe the hoe is small and you can rev up the engine for better speed? Backhoe pumps are usually near twice that size.
Backhoe valve will usually have the relief valve built into it. So, no extra plumbing needed. Your's doesn't? If not, and you're sure it's an open-center valve - maybe it has a port where you can screw one in? If not, you can add one in the line somewhere. That would require an extra return line. Seems odd though if you've got an o
My Ford 4000 which is basically the same size as a 900 has a 2.6 cubic-inch-per-rev pump in front - for use with a hoe and loader. That flows 18 GPM @ 1800 RPM and 27 GPM @ 2500 RPM. My Ford 641 with loader has a front-mounted 1.4 cubic-inch-per-rev pump.
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Today's Featured Article - Bad Vibes - by Curtis Von Fange. One of the strangest ways to communicate with our tractor is to ask it how it feels. "Ask it how it feels," you say? Yup, ask it how it feels. Now, as with the other articles in this series one has to be able to hear what 'ole blue' is trying to say in response. The nice thing about our old iron friends is that they are usually quite consistent in their response, rather unlike some people I know who might change what they say due to the weather or other mitigating circumstances. But since t
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