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The one problem with the b7800 was the fact it only had one hydraulic output. When I only had the loader mounted it was fine, once the backhoe was mounted everything slowed down. There is simply to much restriction in the system. Not only feeding the backhoe with flow but what’s worse is...

I did. I bought the largest coupling that still had a 5/8” bore. I’m sure the pump won’t need the full tractor hp before the 2100 psi relief valve is opened.

I looked for anything that would fit the original splined shaft for two years. New or used driveshafts were over $300 and then need to be modified to fit the pump side. Turning the shaft was $50 and new seal was $10. There is just enough room to direct couple the pump with a 5/8-5/8 lovejoy...

I built a 8.25 gallon tank mounted under the floorboard.. I had a machinist turn the belly 2500 rpm pto shaft down to a 5/8” keyed shaft. I’m still debating the pump size but leaning toward a 6.5 gpm. Most tractor sized for a bh77 have a pump around this size. I figure with a pressure relief...

Thank you Dan

I agree.. it’s a shame with the cost of the backhoe it should be so slow and dim witted. The main boom lift on mine gets so hot you can barely touch it after it’s been run.

When I remove the backhoe from the tractor now I couple the quick connect feed and return to complete the hydraulic circuit.

I’m adding a pto pump to run my bh77 backhoe. It’s currently tapped into the circuit between the 3 point lift and front loader. The new circuit will run from the pto pump, though a relief valve, thought backhoe vale and return to the tank. Do I need to do something to backhoe control valve to...

I own a B7800 that I had the Kubota dealer install a BH77 about 2 years ago. Everything work but the system seems unable to flow enough and backhoe is incredibly slow. Also the 3 point seems to whine more but that could be me hearing things. I went over the lines and they appear to be installed...