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Old 06-15-2011, 04:34 PM   post #1 of 9
lawnman0515
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Default Let me see pics of your Suburban 3 point hitch actuators

I'm getting tired of hand lifting the 3 point hitch up all the time. I"m not sure where to start with a parts supplier or fabrication ideas. Something heavy duty with a lot of downforce is my requirement.
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Old 06-15-2011, 04:47 PM   post #2 of 9
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

The Sears does not have down force. It's not really needed with the attachments sears made. I'm not sure how that would work with these light tractors.
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Old 06-15-2011, 05:54 PM   post #3 of 9
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

no downforce. just handy for heavier attachments like rototillers and earthcavators
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Old 06-15-2011, 07:15 PM   post #4 of 9
swatara_gap
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

Youíve piqued my curiosity as well, so the Sears model has no downward force? How can that be possible? Well, Iím guessing through electrical limiters etc, but how does it know how deep to spool out? Whatís it do? Does it just unwind until the bail/attachment is all the way down? A photo of the controller would probably be worth a thousand words.

How much can the Sears linear actuator pick up? Iím guessing that itís at least 250 lbs, but would it go as high as 500?

I guess that itís pretty easy to take the manual one on and off, or at least thatís how it looks in the photos that Iíve seen of it, but I wouldnít like driving about with the lever hanging out there like a hook on an old railroad mail carÖ
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Old 06-15-2011, 08:16 PM   post #5 of 9
mdigby
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

This road has been traveled before. Search IS YOUR FRIEND...

Here are a couple of threads that MAY be helpful

http://www.mytractorforum.com/showthread.php?t=191278

http://www.mytractorforum.com/showthread.php?t=162212

http://www.mytractorforum.com/showthread.php?t=108484

http://www.mytractorforum.com/showthread.php?t=88833

http://www.mytractorforum.com/showthread.php?t=105154


The actuator on the FACTORY electric hitch has no downforce (other then gravity) because of the way the linkage works. The actuator is set up to PUSH the lift arms up, but IS NOT DIRECTLY CONNECTED to the lift arms.

You could connect it for a hitch that you built, or modified, but I think it was done this way to PROTECT the actuator form damage. It is an expensive part to replace (current cost $400 plus!!!)

BUT your original request was for pictures.
I will attempt to post pictures later, BUT right now photo bucket is "down for maintenance"

Sorry
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Old 06-15-2011, 08:25 PM   post #6 of 9
stripmine
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

Quote:
Originally Posted by bolillo_loco View Post
Youíve piqued my curiosity as well, so the Sears model has no downward force? How can that be possible? Well, Iím guessing through electrical limiters etc, but how does it know how deep to spool out? Whatís it do? Does it just unwind until the bail/attachment is all the way down? A photo of the controller would probably be worth a thousand words.

How much can the Sears linear actuator pick up? Iím guessing that itís at least 250 lbs, but would it go as high as 500?

I guess that itís pretty easy to take the manual one on and off, or at least thatís how it looks in the photos that Iíve seen of it, but I wouldnít like driving about with the lever hanging out there like a hook on an old railroad mail carÖ


It's difficult to explain the set up, but the lifting actuator isn't solidly pinned to the lifting mechanism. it will lift an attachment, but when it's lowered to the ground.. will not apply down pressure.. the attachment just floats under it's own weight.

these small tractors don't have enough weight to apply down pressure.. once the attachment hits the ground, applying more pressure would be actually lifting the rear of the tractor. all you would be doing would be cheating yourself of tracton. Most implements are designed to dig in, in the way they are made.. and don't require down force.

what would you be using.. that would require down pressure?

dave

ADDED

Maybe this will help.


Last edited by stripmine; 06-15-2011 at 08:44 PM.
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Old 06-15-2011, 09:09 PM   post #7 of 9
mdigby
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

This first picture IS NOT MINE. I posted it in an earlier thread



This is the best one I can get (right now) of the one I have on my hitch



The GT-18 carb is out of town getting worked on.
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Old 06-15-2011, 11:40 PM   post #8 of 9
swatara_gap
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

Thank you! That's answered all my questions. I hope it helped the topic starter as well. The photo was worth a thousand words, but I did understand the technical bit without photos as well...

Thanks again,
bolillo
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Old 06-16-2011, 07:03 AM   post #9 of 9
swatara_gap
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Default Re: Let me see pics of your Suburban 3 point hitch actuators

I understand why the above two sleeve hitches only lift and don't provide any downward pressure. I am more familiar with the type in the photo below. Itís obvious that this linear actuator is direct push pull at all times.

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