Go BottomL3430 Hydraulic Top Link Recommendation
 | GSV40U
Join Date: Dec 2003 Posts: 5 E. WA / W. OR 
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2004-02-07 76236
I'm planning on adding a hydraulic top link to my newly purcased L3430. Any suggestions as to length, brand, model, etc.? The tractor has remote hydraulics. Thanks
Greg
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 | Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York 
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2004-02-07 76268
Why not the Kubota unit? ....
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| GSV40U
Join Date: Dec 2003 Posts: 5 E. WA / W. OR
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2004-02-07 76286
Art:
Golly...sometimes a thing is so obvious it gets overlooked-I'll talk to my dealer. I've read about various custom TnT installations with cylinders, valves, etc. from other sources. I think all I need is the cylinder and hoses since I already have the remotes? Does the Kubota cylinder come with check valves? Do I need this? Any idea of a list (ballpark) price? Thanks for the reminder.
Greg ....
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| Ironpeddler
Join Date: Jul 2003 Posts: 111 Science Hill,KY USA
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2004-02-08 76389
Take a look at the CCM Hydraulic Toplink Cylinders. They have the check valves so the setting will stay where you put it. If you purchase a Hydraulic Cylinder without the check valve you will be constantly adjusting the cylinder because of the valve drift and bleed by.
The proper one for your tractor is 18-26", # 6003, $170, hose kit with male couplers $30. ....
Link: Carter & Carter Machinery
Picture Link
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2004-02-09 76414
I believe my TLC doesn't have check valves (pilot operated ones I think) and I can attest to what Ironpeddler is saying. On the other hand, most of my grading requires frequent adjustments anyway do to the nature of the ground and my obsession with shooting beautiful grades. Since I can't say how many adjustments are due to the ground itself and how many to cylinder drift I can't say how much good a cylinder with pilot valves would do me.
If I had it to do over again, I'd probably get a cylinder with the valves. I didn't know about them when I got my cylinder as part of a 3ph forklift. Who know, maybe I'll get one anyway and then my grades will be even more beautiful with less work. ....
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 | dedeye
Join Date: Nov 2003 Posts: 41 Central Maine
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2004-02-10 76503
If you will pardon my ignorance, My B2400 has a pair of hydro hoses hanging off the right rear of it. I believe they were used to power a wood splitter. They are currently connected together with quick couplers. Can I assume these hoses can be used with a open 2 way control valve and ram to operate hydro top link? If I am so lucky
(rare) Any recomendations as to what Northern tool ram and valve to use?
Thanks
dedeye
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 | beagle
Join Date: Jan 2004 Posts: 1333 Michigan 
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2004-02-10 76514
Deadeye, follow the hoses back and describe where they are tied to the tractor hydraulics. This would be the first step for help on how to proceed. You will want a 4-way, 3 postion valve for a log splitter, with detent in one direction. I bought my splitter parts from Northern, but want to make sure where those hoses come from before you proceed. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2004-02-10 76525
In tracing the hoses it probably will be useful to identify which end of the loader valve is the inlet and which is the outlet section. If one end has two hoses that is definitely the outlet section. If one rear hose goes to the outlet section and the other goes to a block then you almost certainly have a power-beyond connection. I'd be surprised if the hook up is anything else since the quick-connects are connected together--that hose shouldn't be removed unless unless a valve is attached. PB connections can be made ahead of a loader valve but they aren't too common.
My rear hoses go to a third control valve on my loader valve and they don't require a hose to connect them together. I could operate a splitter directly from my rear outlets since it's valve controlled. Many splitters have their own valves and a PB connection is better.
There are a few other connections for the rear hoses that are possible. We'll get back to them if the hose tracing doesn't seem like anything described. A valve like Beagle mentioned is likely what's needed but it should be PB rated for the hookup I first described. An alternative with some risk is just to make sure the 3ph never goes into lift mode while the splitter valve is operated.
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| dedeye
Join Date: Nov 2003 Posts: 41 Central Maine
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2004-02-10 76528
On top of the rearend housing there are two pipes 1/4 in. I'd guess that are attatched to a block that both hoses come from.
My wish is that I could mount a control valve somewhere within reach and use a hydro ram for a top link to adjust box blade while grading. I also have built a 3 pt hitch box out of a lawn mower wagon that would dump nicely if this ram idea pans out.
Thanks
Dan ....
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| beagle
Join Date: Jan 2004 Posts: 1333 Michigan
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2004-02-10 76565
OK, you need to make sure which is inlet and which is outlet before going further. Your manual should show the rear hydraulic block, and identify which is which. I'm not that familiar with the 2400, so if someone knows different, be sure to comment. You sure don't want to hook the block outlet to the valve inlet. Big touble.
A 3.5" ram operating at 2000psi will give you 19240lbs.,
and require .8 gallons of fluid at 18" stroke, plus lines
A 4" ram operating at 2000psi will give you 25130lbs., and require 1.05 gallons of fluid at 18" stroke. Get familiar with the reservoir capacity in the tractor and make sure you have the fluid available. ....
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| Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York
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2004-02-10 76567
Dedeye they might have been to a valve on a wood splitter like what you want to add. I would not get to excited over the wood it might split. For a hydralic top link or a double valve to also run the drop link would be ideal. ....
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| dedeye
Join Date: Nov 2003 Posts: 41 Central Maine
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2004-02-10 76591
Art
I am looking into using these hydro lines for a hydraulic top link for my box blade. I just can't find enough ways to break my tractor!
The more research I do on this the more confused I become.
If I am getting anything from this discussion I should be O.K. power/flow wise to use this hydro source for the top link. I must install a control valve somewhere in the flow. I assume the control valve needs to be open (by pass) when in neutral position. I guess my confusion comes from what type of valve this needs to be. 4 way, 2 way etc?
The ram needs to have a valve on it so as not to allow it to move from where it is set? Any help here certainly appreciated.
Dan
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| beagle
Join Date: Jan 2004 Posts: 1333 Michigan
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2004-02-10 76593
Sorry dedeye, didn't mean to confuse the issue by missing the part of your question. Didn't realize you were working on a top link, just picked up on the splitter comment and confused it with a different thread. 4-way, 3 position valve for the top link also. Output from tractor block to input of valve, output valve to return on block, just be sure you know which is which on block. Strange that quick connects are on lines. You should not have quick connects on the suction side of the valve. Hard connect hydro-block to valve, quick conn from work ports on valve to cylinder. Kubota or Carter have hydro top links. ....
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| GSV40U
Join Date: Dec 2003 Posts: 5 E. WA / W. OR
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2004-02-10 76599
Ironpeddler:
Thanks for the information. I was unsure of the retracted/extended length needed.
Greg ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2004-02-11 76618
Sounds like a factory PB kit but it'd be good if the description is recognized by somebody who knows the tractor. If it is the the connecting hose may be needed to complete the return path when a valve isn't connected. A test might sort things out.
If the hose is removed and the tractor started the engine would labour under full throttle and the relief valve would open. The pressure side would be at full system pressure and a hose under pressure often can be felt to stiffen. A tractor shouldn't be run for long in this condition. Identification of the pressure and return ports from a manual would be very good. Ports on valves usually are stamped with 'P' or 'IN' for the pressure side.
I think splitter valves are a bit specialized but a common valve that would work for a top link should do too badly. It may require a more operator attention though. A valve with a regenerative feature (used on fast dump loader circuits) might speed up splitter work a bit. ....
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