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Rear Ag PTO shaft to winch adapter?

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CMCSSeabee View Drop Down
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    Posted: 23 Nov. 2021 at 12:22pm
Hi Guys,

Does anyone know of an adapter that will couple the Ag gearbox driveshaft to a 7/8" Koenig PTO winch input shaft? I know I can make something, but it would be great to find something even remotely close to working off the shelf.
Thanks in advance!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote OnlyOneDR Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov. 2021 at 9:02am
That driveshaft is so large you are probably better off pulling it and building a new shaft to run from the PTO all the way to the winch.  You won't need a 2" tubular driveshaft to run the winch and if you wanted to sell it there is a market for them.  Building up a new shaft would be fairly simple.  I am thinking of the weight of the shaft hanging off that small input on the winch could also cause issues if anything is out of round/out of balance.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CMCSSeabee Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov. 2021 at 11:16am
Thanks for the reply! Although I agree with everything you said, I have all of the parts I need to do this (except an adapter!) and would really like to see if I can make it work. I may weld a 7/8" shaft coupler to a modified ag box input coupler. 
I have built my own PTO winch shafts before, so no mystery there. I have a Koenig model 40 twin stick and Koenig model 100's going front and rear. Low profile rear and upright front. This is actually going in a 43 GPW.
I did a similar Ramsey set up on my FC 170 with great results. Great fun having PTO winches fore and aft.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote windyhill Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov. 2021 at 1:42pm
Sounds fun!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote OnlyOneDR Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov. 2021 at 8:59pm
If I could dig out my model 50 to verify I thought the rear output on the dual stick Koenig was a keyed shaft already.  That could easily take a new shaft, although I hear you on trying to reuse what you already have.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CMCSSeabee Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov. 2021 at 12:30am
It is, but I already have an Ag shaft adapter on it. Also, the output is a 1" shaft and the winch is a 7/8" shaft, so I'd have to do a little swapping of yokes between two sets of u-joint pairs.............
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CMCSSeabee Quote  Post ReplyReply Direct Link To This Post Posted: 16 Dec. 2021 at 9:35pm
I took a 7/8" shaft bushing and welded it to the Ag adapter. I used an extra piece of shaft to line them up internally, cut a deep V into the ends of each piece on my lathe, applied a tack weld, spun and trued them on the lathe, and applied another tack weld on the opposing side and re-checked true. After that I finished welding them together. 
I would post a picture, but I can't figure out how to convert a jpeg into a pdf!
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