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John Deere Tractors Discussion Forum
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1000 rpm PTO question

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K Effective

11-01-2020 11:53:49




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I'm casually looking at a JD 6140D that sports a 1000 rpm PTO. I see no indiction that this can be switched to 540: no spare shaft storage in the rear, no obvious way to easily remove the current shaft, no indication in the cab to swap...

Are there single-speed PTO tractors in this model, and if so, is it reasonably possible to swap to 540, or and expensive ordeal if even a possibility?

I have only one implement that could be converted to 1K- my MOCO, which would be the main purpose of this tractor. This unit might replace my open station 4430 from the mower and, with a loader, replace my 5400 at the same time!

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buickanddeere

11-02-2020 17:29:37




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
Is the main transmission casting the same for the 1000rpm only machine vs the 540/1000rpm machine ? There could also be some other obscure clues .
Some research in the free online parts book may find some answers .



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K Effective

11-02-2020 03:52:25




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
I was surprised that a utility-sized tractor would only have a 1K PTO, but then I am very unfamiliar with the newer versions.

I know the flippable PTO process, and can see it clearly in the pictures of one of the MachineFinder tractors- but failed to look closely enough when looking this tractor over- it's about two hours away from my place and I stumbled across it without knowing any detail until after I looked it over.
For this kind of money, I really need to make a second trip to get serious about it or just forget it!

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K Effective

11-02-2020 03:52:25




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
I was surprised that a utility-sized tractor would only have a 1K PTO, but then I am very unfamiliar with the newer versions.

I know the flippable PTO process, and can see it clearly in the pictures of one of the MachineFinder tractors- but failed to look closely enough when looking this tractor over- it's about two hours away from my place and I stumbled across it without knowing any detail until after I looked it over.
For this kind of money, I really need to make a second trip to get serious about it or just forget it!

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wore out

11-01-2020 13:45:19




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
Quoting Removed, click Modern View to see

(I'm not sure if they made a 1000-only version.)

Lacking any history or info it's easy enough to determine FOR SURE if it has a dual-speed PTO, if you can access the tractor, look for a "flat" at the inner end of the PTO with two "tabs" of a snap ring visible there.
If present, pinch the tabs together allowing the shaft to be withdrawn revealing the "540" splines at the other end, flip the shaft around end-for-end, move the snap ring to the other end and pop it back in.

Link

What the two-speed PTO shaft looks like.

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wore out

11-01-2020 13:45:19




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
Quoting Removed, click Modern View to see

(I'm not sure if they made a 1000-only version.)

Lacking any history or info it's easy enough to determine FOR SURE if it has a dual-speed PTO, if you can access the tractor, look for a "flat" at the inner end of the PTO with two "tabs" of a snap ring visible there.
If present, pinch the tabs together allowing the shaft to be withdrawn revealing the "540" splines at the other end, flip the shaft around end-for-end, move the snap ring to the other end and pop it back in.

Link

What the two-speed PTO shaft looks like.

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K Effective

11-01-2020 12:46:54




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
There are 6 listed on MachineFinder.com, some have both speeds, one only 1000 listed...



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K Effective

11-01-2020 12:46:54




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
There are 6 listed on MachineFinder.com, some have both speeds, one only 1000 listed...



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Old Farmall Fan

11-01-2020 12:11:24




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
I don't know much about a 6140D, but some Deere tractors use a double ended PTO shaft instead of 2 separate shafts like a 4020 for example. A Google search may tell you more.



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Old Farmall Fan

11-01-2020 12:11:24




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 Re: 1000 rpm PTO question in reply to K Effective, 11-01-2020 11:53:49  
I don't know much about a 6140D, but some Deere tractors use a double ended PTO shaft instead of 2 separate shafts like a 4020 for example. A Google search may tell you more.



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