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I think I may have made some progress. Not really good news, but I think it points me in the right direction. I noticed that there is a top cover on the transmission. It is the plate that holds the foot pedal for the differential lock. I took that off and started the tractor. You can see the...

I just moved the gauge back to P3 and it shows 10 psi at Idle and about 20 PSI full throttle. The pressure does drop a little (about 4 psi or so) when I press the forward or reverse pedals. Also, I can roll the tractor in neutral but it does lock up when in hi or low.

I have not gone back to check P3 yet - haven't had any shop time for the last few days. That is next on my list. As far as the sound of things - when I try the hydro in gear I get no difference in the engine sound and no difference in the sound at the transmission. The rear wheels do lock up in...

Waiting on an adaptor to check the forward and reverse high pressures but have my doubts that there I find anything good. However I have another question on this tractor. I can roll it in neutral as lomg as I have the front wheels on dollies. The front wheels will not turn - they just slid when...

Filter is a new Kubota filter so I'm not too worried about it being bad. I'll get the gauge moved to the other side of the filter in the next couple of days as time permits. I do have an STP sub filter I can put on if it looks like the new filter got plugged up. I picked up another gauge so...

Ok - I scrounged through my fittings and came up with a setup that I could insert into the line with a 1/4" ball valve that could introduce a restriction. When I started the tractor, the pressure went up to about 56 psi right off. I started to close the valve slightly and it smoothly...

Yes I have confirmed that the shaft is rotating. However the back ball coupler is not visible inside the frame, so I can't really say that end of the shaft is properly coupled to the input shaft of the hydro. It turns true so I am assuming for the present that it is OK. Some play but no more at...

I see what you are getting at. I'll see what I can come up with.

It looks like anywhere in the cooler loop would basically be at charge pressure. I need to get a couple fittings to make a connection into that loop - I need a T with a couple 3/8" hose barbs. It will be a couple days before I get to somewhere I can pick them up.

I picked up a cheap set of hydraulic gauges off ebay. It came with several adaptors and 3 gauges and test hoses. The lowest gauge was still too high pressure to check for a 50 psi charge pressure so I used the adaptors and managed to connect a 0-100 psi gauge to the test hose. The test point I...

Hello all - recently bought a B1700 HSD project tractor to try to resurect. It has sat for about 13 years. We got it running but now we are at the point where the original owner parked it - he said it just quit moving one day while working with it. He said the Hydro was bad. Well, we had a few...