What is the different in these hydraulic valves?

InsideTrader

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What is the difference in these three rear remotes? The top two (blue and green arrows) might be the same but the bottom (red arrow) is definitely different.
 

North Idaho Wolfman

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Would really help if you told us what tractor it is on!
 
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TheOldHokie

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What is the difference in these three rear remotes? The top two (blue and green arrows) might be the same but the bottom (red arrow) is definitely different.
Based purelynon visual appearance the top two have a 4th spool position - possibly float but cpuld be anything. The bottom one has a different end cap - could be a 4th position of some sort or automatic detents. No way of knowing if any of that is accurate without documentation.

Dan
 

MtnViewRanch

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Typically the first valve, (bottom) is a self-canceling detent. That is a 5 position valve. Detents at both ends and kicks out-closed when the rod reaches the end of its stroke.
The top 2 look like float featured valves.

Just a guess based on some experience. ;)
 
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TheOldHokie

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Typically the first valve, (bottom) is a self-canceling detent. That is a 5 position valve. Detents at both ends and kicks out-closed when the rod reaches the end of its stroke.
The top 2 look like float featured valves.

Just a guess based on some experience. ;)
Sounds very reasonable. Five positions is 3 position spring center with a self canceling detent in the 4th and 5th? That would be handy.

Dan
 

InsideTrader

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Typically the first valve, (bottom) is a self-canceling detent. That is a 5 position valve. Detents at both ends and kicks out-closed when the rod reaches the end of its stroke.
The top 2 look like float featured valves.

Just a guess based on some experience. ;)
It sounds like you are describing the hydraulic setup for a 3 section batwing brush hog. Floating the two wings and canceling the lift cylinder at the top and bottom of the stroke.
 
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