Go BottomB1700 Hydostatic unit leaking
 | Thomas18
Join Date: Aug 2016 Posts: 4 Delaware Ohio 
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2016-08-07 195633
My Kubota B1700 is leaking fluid from the hydrostatic unit, I am told the tractor needs split in half, hydro removed & sealed and reassembled. Other problems may exist with the hydro unit considering the high hours (1800 hours)
I would like to hear opinions on this tractor and advice
Thanks a lot
Pete
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| charlieK
Join Date: Feb 2004 Posts: 137 kentucky
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2016-08-08 195634
1800 hrs is not high hours ....
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| Thomas18
Join Date: Aug 2016 Posts: 4 Delaware Ohio
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2016-08-08 195640
Thanks Charlie! Thats good to hear. Thats what Evolution Ag told me. I like the tractor a lot, just not sure if I should repair or sell it and find another. ....
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 | WillieH
Join Date: Feb 2003 Posts: 543 New England 
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2016-08-10 195649
Depending on where the leak is actually stemming from on the hydro unit, will bear the extreme of the repair. I have amongst others, a B7300 hydro. It developed a hydraulic leak on the hydro unit casing and until I had sufficient time to truelly inspect it, I had all kinds of ideas thrown at me for areas of concern, and costs. What I found on mine, was on the left foot side, there are two hydraulic lines that attach to the hydro unit via a block to the case. I have not been able to realize ANY reason for this, however, by design, Kubota put two o-rings behind each line fitting. In time, one fitting started leaking, and was just high enough where it resembled a potential leak from the case and/or something internal such as a shaft seal, leaking down and dripping. It turned out that one of the fittings double o-rings, had breached and the compression needed to satisfy this fitting/line assembly with the block, was now compromised and seeping. I renewed all FOUR o-rings, and cleaned her up, and all has stayed dry since.
I like easy fixes! 8-)
Hope this helps.
Best -
Willie H. ....
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| charlieK
Join Date: Feb 2004 Posts: 137 kentucky
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2016-08-11 195654
hope yours is like willies thomas ....
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| Thomas18
Join Date: Aug 2016 Posts: 4 Delaware Ohio
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2016-08-13 195657
Thanks a million Willie,
did you have to pull the tractor apart to get at these lines and replace the o-rings? I love easy fixes to. ....
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| WillieH
Join Date: Feb 2003 Posts: 543 New England
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2016-08-14 195659
Nope 8-)
I believe (?) that the B1700 and B7300 are quite similar in that the layout is similar if not the same, only real difference being the tin work.
If you remove the left side rear tire and wheel assembly, you'll see two hard line hydraulic lines mounted to a block, via a couple of fittings, as well as a bracket on some realizing a strain reducer. The o-rings are nestled behind this block. Not a clean job, rather oily as you have to disassemble the lines and such, so have rags and/or drop bucket below to catch the fluid. Realize the o-rings, reinstall the block and brackets, then the lines. Top off fluid to account for the fluid that drained out, and you're off to the races. Before you reinstall the wheel, swab everything down REAL good to insure dryness . This way, in case there still is a leak somewhere, you'll be able to realize where it might be coming from. Not saying that this IS your issue, but sure would be an easy and inexpensive way out! Just some time...which we all have LOTS of. HA!
Best -
Willie H. ....
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