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Discussion Starter · #1 ·
Here is a short video showing how top and tilt works. This is setup on my 2018 John Deere 3046r tractor and replaces the top link and right adjustable link on the three point hitch. I hope this explains how to use Top and Tilt and you can see what it might be helpful to have on your tractor. My version is being controlled with an electric diverter valve which redirects flow from the loader functions to the 4th and 5th valve. Thanks for watching!

Click here to watch on YouTube

Otherwise, view below.

 

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Discussion Starter · #3 ·
If the diverter channels hydraulic flow away from the loader, what prevents the bucket from eventually bleeding down and scraping on the ground when the Top 'N Tilt is being used?
I would imagine the hydraulic fluid already present on either side of the cylinder holds its position once the hydraulic circuit is closed off and redirected. Just a guess.
 

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Discussion Starter · #8 ·
If it does, it would be the first JD SCUT/CUT tractor in history to do so. :)
I guess if you're asking if the loader just drifts down, then I haven't noticed that. However, in the applications I'm using it in so far, I'm don't remain in the "engaged" diverter mode for long. I have needed to use my loader functions, so I switch back to loader functions after a few minutes. I'll report back if I notice issues with drift.
 

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Discussion Starter · #11 ·
The rockshaft on my 2720 will stay up for weeks even with a 300+ lb implement attached.

Like you, the loader is another story. Based on my own experience and from reading forum posts it seems the problem is much worse on newer JD SCUT/CUT tractors. Folks with older models (650, 750, etc.) report that their loader will stay in position a long time even after the engine is turned off. Whereas folks with newer tractors find they bleed down pretty fast. JD of course has their little bleed-down spreadsheet which clearly shows that the tolerances in their hydraulic components has gotten worse as the years progress.

When I was running a subsoiler back and forth in a field with the bucket slightly raised I was surprised just how often I need to hit the SCV lever to bump the loader back up into position.
I frequently store tractors with loaders in the raised position. I quickly run out of space with indoor storage and try to maximize it by cramming them in there with raised loaders. I'll be more diligent on which leak down versus those that stay put. I definitely notice that some do and some don't, I just haven't paid much attention to model. Most everything would be 2008 and newer with a handful of exceptions.
 
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