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Using an AC BGB for a rock shaft


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#1 KennyP ONLINE  

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Posted December 31, 2016 - 07:47 AM

I have a BGB (Bevel Gear Box) from an AC 716 6-speed tranny, Thinking about hooking a Char-Lynn hydraulic motor (have 2) to it to make a powered rock shaft for a lift. I need to get the hydraulic motors out and make sure they work okay.Just wondering if this sounds feasible.

2015-08-01 11.57.23.jpg

 

I can't find the pics of the motors. Not sure where they are. May be on my other hard drive.


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#2 dropped82 ONLINE  

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Posted December 31, 2016 - 08:46 AM

I wouldn't see why not. I'd imagine they'll hold some weight too. Considering the torque they see while working the machine. I'm guessing the ratio is 1:1? You may not get much torque multiplication but you won't lose any either.

Eric

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#3 dropped82 ONLINE  

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Posted December 31, 2016 - 09:35 AM

Might consider using something like a lovejoy to attach the 2.

Eric

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#4 KennyP ONLINE  

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Posted December 31, 2016 - 09:40 AM

I can gain torque from the arm length out each side. I have to get my spare pump hooked to the 8 HP Kohler as a test unit. Thinking of using a chain coupler to attach the hyd. motor to the input shaft of the BGB. I can get that coupler from Surplus Center. I can use the bolt holes in the front of the BGB to mount the motor to.



#5 boyscout862 ONLINE  

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Posted December 31, 2016 - 09:45 AM

I don't like the idea. BGBs are precious and not made for the kind of torque that a lift may encounter. The tension on the BGB is only what the belts put on it. If you used the BGB with a small sprocket and a chain going to a shaft with a big sprocket then it might be okay. I worry that you are going to put time and money into something that wont last. Good Luck, Rick
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#6 KennyP ONLINE  

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Posted December 31, 2016 - 10:02 AM

That's the kind of info I was looking for, Rick. This is all just my thoughts right now. From what I can tell, this one is in good condition. I'd be happy to pass the whole rear end on to someone, but shipping would be a killer. That thing is heavy!


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#7 SimplyRad OFFLINE  

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Posted December 31, 2016 - 10:55 AM

On a manual tranny and doing heavy work does put a lot of torque on the BGB. I found out last spring when I got my 3410 stuck in the mud without the lift hooked to mower and trying to back up. Sure was load when it let go.


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